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Mercer County is a county located in the U.S. state of New Jersey. Its county seat is Trenton, also the state capital,[2] prompting the nickname The Capital County.[1] Mercer County alone constitutes the Trenton–Princeton Metropolitan Statistical Area[3] and is considered part of the New York Metropolitan Area by the United States Census Bureau,[4][5][6] but also directly borders the Philadelphia metropolitan area and is included within the Federal Communications Commission's Philadelphia Designated (media) Market Area.[7] As of the 2020 United States Census, Mercer County's population was 387,340, making it the state's 12th-most populous county, an increase of 20,827 (5.7%) enumerated at the 2010 U.S. Census, when its population was enumerated at 366,513,[8] in turn an increase of 15,752 (4.5%) from the 350,761 counted at the 2000 Census,[9] retaining its position as the 12th-most populous county in the state.[10][11]

Mercer County
County
The New Jersey State House and its golden dome at Trenton in 2006.
Flag Seal
Nickname:  The Capital County[1]
Location within the U.S. state of New Jersey
New Jersey's location within the U.S.
Coordinates: 40.28°N 74.70°W / 40.28; -74.70
Country	United States
State	New Jersey
Founded	1838
Named for	Continental Army General Hugh Mercer
Seat	Trenton[2]
Largest municipality	Hamilton Township (population) Hopewell Township (area)
Government
• County executive	Brian M. Hughes (D, term ends December 31, 2023)
Area
• Total	228.89 sq mi (592.8 km2)
• Land	224.56 sq mi (581.6 km2)
• Water	4.33 sq mi (11.2 km2)  1.89%
Population  (2020)
• Total	387,340
• Density	1,724.9/sq mi (666.0/km2)
Congressional districts	4th, 12th
Website	www.mercercounty.org

The county was formed by an act of the New Jersey Legislature on February 22, 1838, from portions of Burlington County (Nottingham Township, now Hamilton Township), Hunterdon County (Ewing Township, Lawrence Township, Trenton and portions of Hopewell Township), and Middlesex County (West Windsor Township and portions of East Windsor Township).[12] The former Keith Line bisects the county and is the boundary between municipalities that previously had been separated into West Jersey and East Jersey.

Trenton–Mercer Airport, in Ewing Township, is a commercial and corporate aviation airport serving Mercer County and its surrounding vicinity. The official residence of the governor of New Jersey, known as Drumthwacket, is located in Princeton, and is listed on both the U.S. National Register of Historic Places and the New Jersey Register of Historic Places. Mercer County contains 12 municipalities, the fewest of any county in New Jersey, and equal to Hudson County. The county is located in the Central Jersey region.

History

Etymology

It was named for Continental Army General Hugh Mercer, who died as a result of wounds received at the Battle of Princeton on January 3, 1777.[14] Continental Army Brigadier General Hugh Mercer served in the Continental Army during the Battles of Trenton and Princeton in 1777. A Scotsman that fled to British North America after the failed Jacobite Rebellion, he worked closely with George Washington in the American Revolution. On January 3, 1777, Washington's army was en route to Princeton, New Jersey. While leading a vanguard of 350 soldiers, Mercer's brigade encountered two British regiments and a mounted unit. A fight broke out at an orchard grove and Mercer's horse was shot from under him. Getting to his feet, he was quickly surrounded by British troops who mistook him for George Washington and ordered him to surrender. Outnumbered, he drew his saber and began an unequal contest. He was finally beaten to the ground, bayoneted repeatedly (seven times), and left for dead. Legend has it that a beaten Mercer, with a bayonet still impaled in him, did not want to leave his men and the battle and was given a place to rest on a white oak tree's trunk, and those who remained with him stood their ground. The Mercer Oak, against which the dying general rested as his men continued to fight, appears on the county seal and stood for 250 years until it collapsed in 2000.[15]

History

Founded February 22, 1838, from portions of surrounding counties, Mercer County has a historical impact that reaches back to the pivotal battles of the American Revolutionary War. On the night of December 25–26, 1776, General George Washington led American forces across the Delaware River to attack the Hessian forces in the Battle of Trenton on the morning of December 26, also known as the First Battle of Trenton. Following the battle, Washington crossed back to Pennsylvania. He crossed a third time in a surprise attack on the forces of General Charles Cornwallis at the Battle of the Assunpink Creek, on January 2, 1777, also known as the Second Battle of Trenton, and at the Battle of Princeton on January 3. The successful attacks built morale among the pro-independence colonists.[16] Ewing Church Cemetery in Ewing is one of the oldest cemeteries in the area, having served the Ewing community for 300 years. It is home to the burial places of hundreds of veterans from The Revolutionary War to the Vietnam War.[17]

Since 1790, Trenton has served as the state's capital, earning the county the name "the Capitial County." After the Legislature relocated to Trenton from Perth Amboy in 1790, it purchased land for £250 and 5 shillings and constructed a new state house, designed by Philadelphia-based architect Jonathan Doane, beginning in 1792. The Doane building was covered in stucco, measured 150 by 50 feet (46 m × 15 m), and housed the Senate and Assembly chambers in opposite wings. To meet the demands of the growing state, the structure was expanded several times during the 19th century. New Jersey, along with Nevada, is the only state to have its capital be located at the border with another state, as Trenton across the Delaware River from Pennsylvania.

The county experienced rapid urbanization and population growth during the first half of the 20th century due to the growth of industrialization in places such as the city of Trenton. Mercer County has the distinction of being the famed landing spot for a fictional Martian invasion of the United States. In 1938, in what has become one of the most famous American radio plays of all time, Orson Welles acted out his The War of the Worlds invasion. His imaginary aliens first "landed" at what is now West Windsor Township. A commemorative monument is erected at Grover's Mill park.[18]

There were 27 Mercer County residents killed during the September 11, 2001 terrorist attacks in Lower Manhattan. A 10-foot (3.0 m) long steel beam weighing one ton was given to the county by the Port Authority of New York and New Jersey in March 2011 and is now displayed at Mercer County Park.[19]

Geography and climate

According to the 2010 Census, Mercer County had a total area of 228.89 square miles (592.8 km²), including 224.56 square miles (581.6 km²) of land (98.1%) and 4.33 square miles (11.2 km²) of water (1.9%).[20]

The county is generally flat and low-lying on the inner coastal plain with a few hills closer to the Delaware River. Baldpate Mountain, near Pennington, is the highest hill, at 480 feet (150 m) above sea level.[21] The lowest point is at sea level along the Delaware River.

Climate

Most of Mercer has a hot-summer humid continental climate (Dfa) except for the southern portion of the county near and including Trenton where a humid subtropical climate (Cfa) exists. The hardiness zones are 6b and 7a.

Demographics

Historical population
Census	Pop.		%±
1840	21,502		—
1850	27,992		30.2%
1860	37,419		33.7%
1870	46,386		24.0%
1880	58,061		25.2%
1890	79,978		37.7%
1900	95,365		19.2%
1910	125,657		31.8%
1920	159,881		27.2%
1930	187,143		17.1%
1940	197,318		5.4%
1950	229,781		16.5%
1960	266,392		15.9%
1970	304,116		14.2%
1980	307,863		1.2%
1990	325,824		5.8%
2000	350,761		7.7%
2010	366,513		4.5%
2020	387,340		5.7%
Historical sources: 1790-1990[26] 1970-2010[11] 2010-2019[8] 2020[27]

2020 Census

As of the 2020 United States Census, Mercer County has a population of 387,340, making it the 12th most populous county in the state. The racial makeup of the county is quite diverse with 62.3% of the population identifying as white (and 46.7% as non-Hispanic whites), 21.6% of the population being black/African American, and 12.6% of the county's population identifying as Asian. 19.4% of Mercer County is Hispanic/Latino, 0.9% of the population is American Native/Alaskan Native/Native Hawaiian/Pacific Islander, and 2.6% identify as two or more races.[28]

5.4% of Mercer County is under the age of 5, while 21.2% are under the age of 18, and 16.0% are over the age of 65. The female population of the county stands at 50.8%, which is in line with the state as a whole.[29]

There are 150,657 housing units in Mercer County, with 63.5% of them being owned by the occupiers. There are 131,440 households with an average of 2.67 persons per household.[30]

2010 Census

The 2010 United States census counted 366,513 people, 133,155 households, and 89,480 families in the county. The population density was 1,632.2 per square mile (630.2/km²). There were 143,169 housing units at an average density of 637.6 per square mile (246.2/km²). The racial makeup was 61.39% (225,011) White, 20.28% (74,318) Black or African American, 0.33% (1,194) Native American, 8.94% (32,752) Asian, 0.08% (295) Pacific Islander, 6.24% (22,856) from other races, and 2.75% (10,087) from two or more races. Hispanic or Latino of any race were 15.09% (55,318) of the population.[8]

Of the 133,155 households, 31.4% had children under the age of 18; 48.2% were married couples living together; 14.2% had a female householder with no husband present and 32.8% were non-families. Of all households, 26.9% were made up of individuals and 10.1% had someone living alone who was 65 years of age or older. The average household size was 2.61 and the average family size was 3.16.[8]

22.6% of the population were under the age of 18, 10.9% from 18 to 24, 26.9% from 25 to 44, 26.9% from 45 to 64, and 12.6% who were 65 years of age or older. The median age was 37.8 years. For every 100 females, the population had 95.5 males. For every 100 females ages 18 and older there were 93 males.[8]

Economy

Based on data from the Bureau of Economic Analysis, Mercer County had a gross domestic product (GDP) of $28.5 billion in 2018, which was ranked 9th in the state and represented an increase of 2.3% from the previous year.[31]

In 2015, the county had a per capita personal income of $63,720, the sixth-highest in New Jersey, and ranked 121st of 3,113 counties in the United States.[32][33] Mercer County stands among the highest-income counties in the United States, with the Bureau of Economic Analysis having ranked the county as having the 78th-highest per capita income of all 3,113 counties in the United States (and the sixth-highest in New Jersey) as of 2009.[34] Trenton's role as New Jersey's state capital contributes significantly to Mercer County's economic standing. 9.5% of the population is considered at or below the poverty line.

The median household income in Mercer County is $83,306. 89.6% of the population has a high school diploma, and 43.5% of the county's population has a Bachelor's degree or higher, one of the highest rates in the state, as of the 2020 census.[35]

Government

County government

Mercer County has a county executive form of government, in which the Mercer County Executive performs executive functions, administering the operation of the county, and a Board of County Commissioners acts in a legislative capacity.[36][37] [38] The county executive is directly elected to a four-year term of office. The seven-member Board of County Commissioners, previously known as the Board of Chosen Freeholders, is elected at-large to serve three-year staggered terms of office on a staggered basis, with either two or three seats up for election each year. The Board is led by a Commissioner Chair, formerly known as Freeholder Chair, and Vice-Chair, selected from among its members at an annual reorganization meeting held in January. The Commissioner Board establishes policy and provides a check on the powers of the County Executive. The Board approves all county contracts and gives advice and consent to the County Executive's appointments of department heads, and appointments to boards and commissions. The Commissioner Board votes to approve the budget prepared by the Executive after review and modifications are made.[39] In 2016, freeholders were paid $29,763 and the freeholder director was paid an annual salary of $31,763.[40] That year, the county executive was paid $164,090 per year.[41]

As of 2022^[update], the County Executive is Democrat Brian M. Hughes of Princeton and is serving a four-year term of office ending December 31, 2023.[42] Mercer County's Commissioners are (with terms for chair and vice chair ending every December 31st):[43][44][45][46]

Commissioner	Party, Residence, Term
Chair Nina D. Melker	D, Hamilton Township, 2022[47]
Vice Chair Lucylle R. S. Walter	D, Ewing Township, 2023[48]
Kristin L McLaughlin	D, Hopewell Township, 2024[49]
John A. Cimino	D, Hamilton Township, 2023[50]
Samuel T. Frisby Sr.	D, Trenton, 2024[51]
Andrew Koontz	D, Princeton, 2022[52]
Terrance Stokes	D, Ewing Township, 2024[53]

Pursuant to Article VII Section II of the New Jersey State Constitution, each county in New Jersey is required to have three elected administrative officials known as "constitutional officers." These officers are the County Clerk and County Surrogate (both elected for five-year terms of office) and the County Sheriff (elected for a three-year term).[54] Mercer County's constitutional officers are:

Title	Representative
County Clerk	Paula Sollami-Covello (D, Lawrence Township, 2023)[55][56]
Sheriff	John A. "Jack" Kemler (D, Hamilton Township, 2023)[57][58]
Surrogate	Diane Gerofsky (D, Lawrence Township, 2026)[59][60]

Law enforcement on the county level is provided by the Mercer County Sheriff's Office and the Mercer County Prosecutor's Office. The Mercer County Prosecutor is Angelo J. Onofri of Hamilton Township, who took office in December 2016 after being nominated by Governor of New Jersey Chris Christie and being confirmed by the New Jersey Senate.[61][62] Mercer County constitutes Vicinage 7 of the Superior Court of New Jersey.[63] The vicinage is seated at the Mercer County Criminal Courthouse, located at 400 South Warren Street in Trenton.[63] The vicinage has additional facilities for the Civil, Special Civil, General Equity, and Family Parts at the Mercer County Civil Courthouse, located at 175 South Broad Street, also in Trenton.[63] The Assignment Judge for Mercer County is Mary C. Jacobson.[63]

Federal representatives

Portions of the 4th and 12th Congressional Districts cover the county.[64][65]

For the 117th United States Congress, New Jersey's Fourth Congressional District is represented by Chris Smith (R, Manchester Township).[66][67]

For the 117th United States Congress, New Jersey's Twelfth Congressional District is represented by Bonnie Watson Coleman (D, Ewing Township).[68][69]

State representatives

District	Senator[70]	Assembly[70]	Municipalities
14th	Linda R. Greenstein (D)	Wayne DeAngelo (D) Daniel R. Benson (D)	East Windsor Township, Hamilton Township, Hightstown Borough and Robbinsville Township. The remainder of this district includes portions of Middlesex County.
15th	Shirley Turner (D)	Verlina Reynolds-Jackson (D) Anthony Verrelli (D)	Ewing Township, Hopewell Borough, Hopewell Township, Lawrence Township, Pennington Borough, Trenton and West Windsor Township. The remainder of this district includes portions of Hunterdon County.
16th	Andrew Zwicker (D)	Sadaf F. Jaffer (D) Roy Freiman (D)	Princeton. The remainder of this district covers portions of Hunterdon County, Middlesex County and Somerset County.

Politics

Mercer County is a reliably Democratic county; it has gone for Republicans only three times (1956, 1972, 1984) since 1936. In each presidential election of the 21st century, the Democratic candidate earned at least 60% of the vote. Since the 2008 election, every municipality has voted for the Democratic candidate. As of October 1, 2021, there were a total of 265,703 registered voters in Mercer County, of whom 121,653 (45.8%) were registered as Democrats, 41,701 (15.7%) were registered as Republicans and 98,343 (37.0%) were registered as unaffiliated. There were 4,006 voters (1.5%) registered to other parties.[71]

In 2008, the county voted for Barack Obama by a 35.4% margin over John McCain, with Obama winning New Jersey by 14.4% over McCain.[72] He won by a similar margin in 2012 and Hillary Clinton did so in 2016. Joe Biden won the county by 40.0% in 2020, the widest margin for anyone since 1964 by winning with 69.1% of the vote (122,532 votes) to Trump's 29.1% (51,641 votes).

United States presidential election results for Mercer County, New Jersey[73]

Year	Republican		Democratic		Third party
	No.	%	No.	%	No.	%
2020	51,641	29.14%	122,532	69.14%	3,050	1.72%
2016	46,193	29.23%	104,775	66.29%	7,090	4.49%
2012	47,355	30.48%	104,377	67.19%	3,623	2.33%
2008	50,223	31.32%	107,926	67.29%	2,229	1.39%
2004	56,604	37.86%	91,580	61.25%	1,326	0.89%
2000	46,670	34.43%	83,256	61.42%	5,633	4.16%
1996	40,559	30.79%	77,641	58.94%	13,526	10.27%
1992	50,473	34.75%	71,383	49.14%	23,404	16.11%
1988	65,384	48.31%	68,712	50.77%	1,249	0.92%
1984	71,195	51.55%	66,398	48.07%	528	0.38%
1980	53,450	41.57%	60,888	47.35%	14,244	11.08%
1976	58,453	44.67%	69,621	53.20%	2,782	2.13%
1972	69,303	52.03%	62,180	46.68%	1,708	1.28%
1968	45,354	36.13%	63,218	50.36%	16,957	13.51%
1964	35,081	28.70%	86,985	71.17%	148	0.12%
1960	46,924	38.69%	74,166	61.16%	179	0.15%
1956	56,029	51.35%	52,684	48.29%	392	0.36%
1952	50,423	46.40%	57,751	53.15%	488	0.45%
1948	37,794	42.26%	49,690	55.56%	1,952	2.18%
1944	36,844	41.23%	52,383	58.61%	144	0.16%
1940	37,190	42.49%	50,121	57.26%	222	0.25%
1936	29,283	37.75%	47,702	61.50%	579	0.75%
1932	33,715	50.41%	30,284	45.28%	2,880	4.31%
1928	41,056	59.21%	27,908	40.25%	374	0.54%
1924	30,689	59.53%	14,639	28.40%	6,223	12.07%
1920	29,626	63.46%	15,713	33.66%	1,344	2.88%
1916	14,213	55.75%	10,621	41.66%	659	2.59%
1912	5,676	26.88%	7,773	36.80%	7,671	36.32%
1908	14,941	58.99%	9,288	36.67%	1,100	4.34%
1904	14,900	60.60%	8,528	34.69%	1,158	4.71%
1900	13,878	61.66%	7,861	34.93%	769	3.42%
1896	13,847	66.84%	5,970	28.82%	901	4.35%

In the 2009 New Jersey gubernatorial election, Republican Chris Christe lost the county with 39.27% of the vote (39,769 votes) to incumbent Democratic governor Jon Corzine's 54.51% (55,199 votes), while Independent candidate Chris Daggett won 5.36% of the vote. (5,424 votes). In the 2013 New Jersey gubernatorial election, Republican governor Chris Christe became the only Republican to win the county since 1993 with 51.9% of the vote (48,530 votes) to Democrat Barbara Buono's 46.3% (43,282 votes). In the 2017 New Jersey gubernatorial election, Democrat Phil Murphy won the county 64.9% to (59,992 votes) 33.1% (30,645 votes). In the 2021 gubernatorial election, Republican Jack Ciattarelli received 34.1% of the vote (34,617 ballots cast) to Democrat Phil Murphy's 65.1% (66,151 votes).

Transportation

Roads and highways

Mercer County has county routes, state routes, U.S. Routes and Interstates that all pass through. As of 2010^[update], the county had a total of 1,524.30 miles (2,453.12 km) of roadways, of which 1,216.48 miles (1,957.73 km) were maintained by the local municipality, 175.80 miles (282.92 km) by Mercer County, 118.99 miles (191.50 km) by the New Jersey Department of Transportation, 1.19 miles (1.92 km) by the Delaware River Joint Toll Bridge Commission and 12.43 miles (20.00 km) by the New Jersey Turnpike Authority.[74]

The county roads that traverse through are County Route 518 (only in the Hopewells), County Route 524, County Route 526, County Route 533, County Route 535, County Route 539, County Route 546, County Route 569, County Route 571 and County Route 583.

The state routes that pass through Mercer are Route 27 (only in Princeton), Route 29, Route 31, Route 33, Route 129, and Route 133 (only in East Windsor). There are three US Routes that pass through Mercer County: U.S. Route 1 (which bisects the county), U.S. Route 130 and U.S. Route 206.

Mercer County houses a few limited access roads, such as Interstate 295, Interstate 195, and the New Jersey Turnpike (Interstate 95). (Mercer is the only county in the state that hosts I-95 and both its auxiliary routes.) I-295 functions as a partial ring-road around the Trenton area, while I-195 serves as an east-west expressway from Trenton to the Jersey Shore. The Turnpike (I-95) passes through the southeastern section of the County, and serves as a major corridor to Delaware, Washington, D.C. to the south, and New York City and New England towards the north. Two turnpike interchanges are located within Mercer County: Exit 7A in Robbinsville Township and Exit 8 in East Windsor Township.

Before 2018, Interstate 95 abruptly ended at the interchange with US 1 in Lawrence Township, and became I-295 south. Signs directed motorists to the continuation of I-95 by using I-295 to I-195 east to the New Jersey Turnpike. This was all due in part to the cancellation of the Somerset Freeway that was supposed to go from Hopewell Township in Mercer County up to Franklin Township in Somerset County.[75]

The section of I-95 west of the US 1 interchange in Lawrence was re-numbered as part of I-295 in March 2018, six months before a direct interchange with Interstate 95 in Pennsylvania and the Pennsylvania Turnpike opened.[76] This planned interchange indirectly prompted another project: the New Jersey Turnpike Authority extended the 'dual-dual' configuration (inner car lanes and outer truck / bus / car lanes) to Interchange 6 in Mansfield Township, Burlington County from its former end at Interchange 8A in Monroe Township, Middlesex County. This widening was completed in early November 2014.[77]

Public transportation

Mercer hosts several NJ Transit stations, including Trenton, Hamilton and Princeton Junction on the Northeast Corridor Line, as well as Princeton on the Princeton Branch.[78] SEPTA provides rail service to Center City Philadelphia from Trenton and West Trenton. Long-distance transportation is provided by Amtrak train service along the Northeast Corridor through the Trenton Transit Center.

NJ Transit's River Line connects Trenton to Camden, with three stations in the county, all within Trenton city limits, at Cass Street, Hamilton Avenue and at the Trenton Transit Center.[79]

Mercer County's only commercial airport, and one of three in the state, is Trenton–Mercer Airport in Ewing Township, which is served by Frontier Airlines, offering nonstop service to and from points nationwide.[80]

Municipalities

The 12 municipalities in Mercer County (with 2010 Census data for population, housing units and area) are:[81]

Municipality (with map key)	Map key	Municipal type	Population	Housing Units	Total Area (sq. mi.)	Water Area (sq. mi.)	Land Area (sq. mi.)	Pop. Density (pop./sq. mi.)	Housing Density (houses/sq. mi.)	Communities[82]
East Windsor Township	6	township	27,190	10,851	15.74	0.10	15.65	1,737.6	693.4	Allens Station, Eiler Corner, Etra, Hickory Corner, Locust Corner, Millstone, Twin Rivers CDP (7,443)
Ewing Township	11	township	35,790	13,926	15.60	0.35	15.25	2,346.9	913.2	Altura, Braeburn Heights, Briarcrest, Briarwood, Churchill Green, Ewing, Ewing Park, Ewingville, Fernwood, Ferry Road Manor, Fleetwood Village, Glendale, Green Curve Heights, Hampton Hills, Heath Manor, Hickory Hill Estates, Hillwood Lakes, Hillwood Manor, Mountainview, Parkway Village, Prospect Heights, Prospect Park, Scudders Falls, Shabakunk Hills, Sherbrooke Manor, Somerset, Spring Meadows, Village on the Green, Weber Park, West Trenton, Wilburtha, Wynnewood Manor
Hamilton Township	8	township	88,464	36,170	40.39	0.90	39.49	2,240.2	915.9	Briar Manor, Broad Street Park, Chewalla Park, Creston, Deutzville, Duck Island, East Trenton Heights, Edgebrook, Extonville, Golden Crest, Groveville CDP (2,945), Haines Corner, Hamilton Square CDP (12,784), Hutchinson Mills, Lakeside Park, Maple Shade, Mercerville CDP (13,230), North Crosswicks, Nottingham, Pond Run, Quaker Bridge, Quaker Gardens, Rosemont, The Orchards, Trenton Gardens, Warner Village, White Horse CDP (9,494), Yardville CDP (7,186), Yardville Heights
Hightstown	5	borough	5,494	2,108	1.24	0.03	1.21	4,536.0	1,740.4
Hopewell	1	borough	1,922	817	0.70	0.00	0.70	2,735.2	1,162.7
Hopewell Township	12	township	17,304	6,551	58.91	0.88	58.03	298.2	112.9	Akers Corner, Baldwins Corner, Bear Tavern, Centerville, Coopers Corner, Glenmoore, Harbourton, Harts Corner, Marshalls Corner, Moore, Mount Rose, Pleasant Valley, Stoutsburg, Titusville, Washington Crossing, Woodsville
Lawrence Township	10	township	33,472	13,239	22.06	0.25	21.81	1,534.8	607.1	Bakersville, Clarksville, Colonial Lakelands, Coxs Corner, Eldridge Park, Franklin Corner, Harneys Corner, Lawrence Station, Lawrenceville CDP (3,887), Lewisville, Port Mercer, Princessville, Quaker Bridge, Rosedale, Slackwood, Sturwood Hamlet
Pennington	2	borough	2,585	1,083	0.96	0.00	0.96	2,703.9	1,132.8
Princeton[note 1]	3	borough	28,572	10,302	18.36	0.43	17.93	1,593.53	574.6	Cedar Grove, Port Mercer, Princeton North
Robbinsville Township	7	township	13,642	5,277	20.49	0.18	20.32	671.5	259.7	Known as Washington Township until November 2007 Allens Station, Carsons Mills, Hillside Terrace, Meadows Terrace, New Canton, New Sharon, Pages Corners, Robbinsville CDP (3,041), Windsor
Trenton	4	city	84,913	33,035	8.16	0.51	7.65	11,101.9	4,319.2	Battle Monument, Berkeley Square, Cadwalader Heights, Central West, Chambersburg, Chestnut Park, Coalport/North Clinton, Downtown Trenton, Duck Island, East Trenton, Ewing/Carroll, Fisher/Richey/Perdicaris, Franklin Park, Glen Afton, Greenwood/Hamilton, Hanover/Academy, Hillcrest, Hiltonia, Lamberton, North 25, North Trenton, Parkside, Pennington/Prospect, South Trenton, Stuyvesant/Prospect, The Island, Top Road, Villa Park, West End, Wilbur
West Windsor Township	9	township	27,165	9,810	26.27	0.71	25.56	1,062.6	383.7	Berrien City, Clarksville, Dutch Neck, Edinburg, Edinburg Park, Golf View Manor, Grover's Mill, Old Mill Farms, Penns Neck, Port Mercer, Post Corner, Princeton Colonial Park, Princeton Estates, Princeton Ivy East, Princeton Junction CDP (2,465), Sherbrook Estates
Mercer County		county	366,513	143,169	228.89	4.33	224.56	1,632.2	637.6

Historical Municipalities

• Nottingham Township (1688-1856)
• Princeton Township (1838-2013)
• Borough of Princeton (1813-2013)
• Washington Township (renamed Robbinsville Township in 2005)

Sports

Mercer County has a number of large parks. The largest, Mercer County Park is the home for the US Olympic Rowing Team's training center.[84]

Mercer County is also the home of the Trenton Thunder baseball team, playing in the MLB Draft League, and the Jersey Flight of the National Arena League. The Thunder were formerly the Double-A affiliate of the New York Yankees playing in the Eastern League before the 2021 Minor League reorganization. The minor league hockey team, the Trenton Titans, established in 1999 and operating as the ECHL affiliate of the NHL's Philadelphia Flyers and the AHL's Adirondack Phantoms, disbanded before the start of the 2013–14 season.[85]

Collegiate athletics

Mercer County is also home to several college athletic programs.

Mercer County is home to two NCAA DI schools. Rider University competes as the Rider Broncs in the MAAC. For wrestling, Rider is a member of the Eastern Wrestling League. The Princeton Tigers compete in the Ivy League.

The College of New Jersey Lions compete in the NCAA DIII as a member of the New Jersey Athletic Conference and the Eastern College Athletic Conference.[86][87]

Mercer County Community College competes as the Mercer Vikings as a member of the Garden State Athletic Conference and the National Junior College Athletic Association.

Education

School districts include:[88][89][90][91]

K-12

9-12

• Mercer County Technical Schools

Special

There is a state-operated school, Marie H. Katzenbach School for the Deaf.

Higher Education:

Mercer County is home to Princeton University, Princeton Theological Seminary, the Institute for Advanced Study, Rider University, Westminster Choir College, The College of New Jersey, and Thomas Edison State University. Mercer County Community College is a county-run community college located in West Windsor.[92]

Points of interest

• Drumthwacket, The official residence of the Governor of New Jersey located in Princeton
• New Jersey State House, The capitol complex of New Jersey and the meeting point of the state legislature, located at the state capital in Trenton
• Mercer County Park, in West Windsor
• Hamilton Veterans Park
• Mercer County Park September 11 Memorial
• Assunpink Creek (part)
• Mercer Lake at Mercer County Park
• Griggstown Native Grassland Preserve (part)
• Princeton Battlefield
• Mercer Oaks Golf Course
• Washington Crossing State Park, in Hopewell Township
• Colonial Memorial Park in Trenton
• Lower Trenton Bridge
• Trenton War Memorial
• Trenton Thunder Ballpark

Wineries

• Hopewell Valley Vineyards
• Working Dog Winery, in Robbinsville Township

See also

• National Register of Historic Places listings in Mercer County, New Jersey

Notes

References

External links

• Official County Website
• Mercer County Library System

На других языках

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[de] Mercer County (New Jersey)

Mercer County[1] ist ein County im Bundesstaat New Jersey. Der Verwaltungssitz (County Seat) ist Trenton, das auch Hauptstadt des Bundesstaates New Jersey ist.

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- [en] Mercer County, New Jersey

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[ru] Мерсер (округ, Нью-Джерси)

Округ Мерсер (англ. Mercer County) — округ штата Нью-Джерси, США. Согласно переписи населения 2000 года, в округе Мерсер проживало 350 761 человек. По оценке Бюро переписи населения США, к 2008 году население увеличилось на 4,0%, до 364 883 человек.[1] Мерсер официально является частью Нью-Йоркской агломерации и Долины Делавэра (англ. Delaware Valley), поскольку находится в окрестностях Нью-Йорка и Филадельфии. В городе Трентон располагается административный центр округа. Крупнейший город округа - Хэмилтон.

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