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Los Alamos County (English: "The Poplars" or "Cottonwoods") is a county in the U.S. state of New Mexico. As of the 2010 census, the population was 17,950.[1] The smallest county by area in the state, Los Alamos County was formerly administered exclusively by the U.S. federal government during the Manhattan Project, but it now has equal status to New Mexico's other counties. The county has two census-designated places: Los Alamos and White Rock.[2]

Los Alamos County
U.S. county
Ashley Pond in Los Alamos
Seal
Location within the U.S. state of New Mexico
New Mexico's location within the U.S.
Coordinates: 35°52′N 106°19′W
Country	United States
State	New Mexico
Founded	1949
Seat	Los Alamos
Largest community	Los Alamos
Area
• Land	109 sq mi (280 km2)
• Water	0.09 sq mi (0.2 km2)  0.08%%
Population
• Estimate  (2019)	19,369
• Density	164/sq mi (63/km2)
Time zone	UTC−7 (Mountain)
• Summer (DST)	UTC−6 (MDT)
Congressional district	3rd
Website	www.losalamosnm.us

Los Alamos County comprises the Los Alamos, NM Micropolitan Statistical Area, which is also included in the Albuquerque–Santa Fe–Las Vegas, NM Combined Statistical Area.

The county is home to the Los Alamos National Laboratory. Los Alamos County is noted for having the lowest level of child poverty of any county in the United States.[3]

Geography

According to the U.S. Census Bureau, the county has a total area of 109 square miles (280 km²), of which 109 square miles (280 km²) is land and 0.09 square miles (0.23 km²) (0.08%) is water.[4] It is the smallest county by area in New Mexico. There is no significant open water in the county. The county's highest point is located along its northern border, near the summit of Caballo Mountain, at 10,480 feet (3,190 m) above sea level.

Adjacent counties

• Rio Arriba County – northeast
• Santa Fe County – east
• Sandoval County – south, west, north (and the Sandoval exclave to the east)

Pueblos with adjacent territories

• Santa Clara Pueblo – northeast
• San Ildefonso Pueblo – east

National protected areas

• Bandelier National Monument (part)
• Santa Fe National Forest (part)

Demographics

Historical population
Census	Pop.		%±
1950	10,476		—
1960	13,037		24.4%
1970	15,198		16.6%
1980	17,599		15.8%
1990	18,115		2.9%
2000	18,343		1.3%
2010	17,950		−2.1%
2019 (est.)	19,369	[5]	7.9%
U.S. Decennial Census[6] 1790–1960[7] 1900–1990[8] 1990–2000[9] 2010–2016[1]

2000 census

As of the 2000 census,[10] there were 18,343 people, 7,497 households, and 5,337 families living in the county. The population density was 168 people per square mile (65/km²). There were 7,937 housing units at an average density of 73 per square mile (28/km²). The racial makeup of the county was 90.3% White, 0.4% Black or African American, 0.6% Native American, 3.8% Asian, <0.1% Pacific Islander, 2.7% from other races, and 2.3% from two or more races. 11.8% of the population were Hispanic or Latino of any race.

There were 7,497 households, out of which 33.5% had children under the age of 18 living with them, 62.7% were married couples living together, 5.7% had a female householder with no husband present, and 28.8% were non-families. 24.9% of all households were made up of individuals, and 6.7% had someone living alone who was 65 years of age or older. The average household size was 2.43 and the average family size was 2.92.

In the county, the population was spread out, with 25.8% under the age of 18, 4.4% from 18 to 24, 27.7% from 25 to 44, 30.0% from 45 to 64, and 12.1% who were 65 years of age or older. The median age was 41 years. For every 100 females there were 101.40 males. For every 100 females age 18 and over, there were 99.70 males.

The median income for a household in the county was $78,993, and the median income for a family was $90,032. Males had a median income of $70,063 versus $40,246 for females. The per capita income for the county was $34,646. 2.9% of the population and 1.9% of families were below the poverty line. 1.8% of those under the age of 18 and 4.7% of those 65 and older were living below the poverty line.

2010 census

As of the 2010 census, there were 17,950 people, 7,663 households, and 5,199 families living in the county.[11] The population density was 164.4 inhabitants per square mile (63.5/km²). There were 8,354 housing units at an average density of 76.5 per square mile (29.5/km²).[12] The racial makeup of the county was 87.8% white, 6.0% Asian, 0.8% American Indian, 0.6% black or African American, 0.1% Pacific islander, 2.2% from other races, and 2.6% from two or more races. Those of Hispanic or Latino origin made up 14.7% of the population.[11] In terms of ancestry, 18.9% were German, 16.5% were English, 13.2% were Irish, and 6.5% were American.[13]

Of the 7,663 households, 31.3% had children under the age of 18 living with them, 58.1% were married couples living together, 6.4% had a female householder with no husband present, 32.2% were non-families, and 28.5% of all households were made up of individuals. The average household size was 2.33 and the average family size was 2.86. The median age was 44.3 years.[11]

The median income for a household in the county was $103,643 and the median income for a family was $118,993. Males had a median income of $93,040 versus $51,753 for females. The per capita income for the county was $49,474. About 1.4% of families and 2.4% of the population were below the poverty line, including 1.8% of those under age 18 and 2.4% of those age 65 or over.[14]

Government

County council

The County council was created by the Los Alamos County Charter. The Council consists of seven members elected at large for four-year, staggered terms. Each year the party in control of the council selects the new chair.[15]

Position	Name	Party reg.
County councilor, Chair	Randall Ryti	Democrat
County councilor, Vice Chair	Denise Derkacs	Democrat
County councilor, At-large	David Izraelevitz	Democrat
County councilor, At–large	Sara Scott	Democrat
County councilor, At–large	David Reagor	Republican
County councilor, At–large	Keith Lepsch	Democrat
County councilor, At–large	Melanee Hand	Democrat

County offices

Name	Position	Party reg.
County Assessor	Kenneth Milder	Democrat
County Clerk	Naomi Maestas	Democrat[16]
Municipal Judge	Elizabeth K. Allen	Democrat
Sheriff	Joe Granville	Democrat

Quality of life

In a study conducted by American City Business Journals in 2004, Los Alamos County topped the list as the best place to live in the United States in terms of quality of life. This was attributed to the high levels of job stability, income and education of Los Alamos residents, many of whom are employed as scientists and engineers at the Los Alamos National Laboratory. The county has one of the highest number of PhDs per capita and the 2011 median household income of $110,204 per year is the second highest among all the counties in the U.S. In per capita income, Los Alamos County ranks 1st in New Mexico and 7th in the United States, and has the second-lowest level of poverty in the United States, and the lowest level of child poverty.[3] Other factors contributing to Los Alamos's high quality-of-life index were the access to affordable housing and short commuting times.

In 2021, Los Alamos County was judged by the U.S. News & World Report to be the healthiest of 3,143 counties and county-equivalents of the United States based on 84 different factors. Residents of the county lived 83.4 years on the average compared to the U.S. average of 77.5 years.[17]

Communities

• Los Alamos (county seat)
• White Rock

Education

All of the county is in the boundary of Los Alamos Public Schools.[18] Los Alamos High School is the comprehensive high school.

Politics

Formerly solidly Republican, Los Alamos County has voted Democratic in the four most recent presidential elections. It has seen high percentages of third-party votes in years with major third-party candidates, such as with John B. Anderson in 1980, Ross Perot in 1992 and 1996, and Gary Johnson in 2012 and 2016. Los Alamos County had the highest percentage of support for Gary Johnson in New Mexico in the 2016 election, at 13.89% (a total of 1,512 votes out of 10,885 cast).[19]

United States presidential election results for Los Alamos County, New Mexico[20]

Year	Republican		Democratic		Third party
	No.	%	No.	%	No.	%
2020	4,278	34.80%	7,554	61.45%	461	3.75%
2016	3,359	30.86%	5,562	51.10%	1,964	18.04%
2012	4,796	45.02%	5,191	48.72%	667	6.26%
2008	5,064	45.75%	5,824	52.62%	181	1.64%
2004	5,810	51.89%	5,206	46.49%	181	1.62%
2000	5,623	55.03%	4,149	40.60%	446	4.36%
1996	4,999	50.33%	3,983	40.10%	950	9.57%
1992	4,320	40.59%	3,897	36.62%	2,425	22.79%
1988	6,622	65.22%	3,275	32.26%	256	2.52%
1984	6,882	69.60%	2,859	28.91%	147	1.49%
1980	5,460	58.19%	2,368	25.24%	1,555	16.57%
1976	5,383	64.43%	2,890	34.59%	82	0.98%
1972	5,039	66.09%	2,435	31.94%	150	1.97%
1968	3,447	54.92%	2,552	40.66%	277	4.41%
1964	1,895	33.32%	3,767	66.23%	26	0.46%
1960	2,574	48.72%	2,692	50.96%	17	0.32%
1956	2,406	51.98%	2,214	47.83%	9	0.19%
1952	2,226	49.30%	2,281	50.52%	8	0.18%

See also

• National Register of Historic Places listings in Los Alamos County, New Mexico
• Mesa Public Library

References

External links

• County website
• Los Alamos County at Curlie
• MSNBC: Where's the best place to live in America
• Los Alamos Monitor newspaper
• Los Alamos County Councilors

На других языках

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[de] Los Alamos County

Los Alamos County[1] ist ein County im Bundesstaat New Mexico der Vereinigten Staaten. Einzige Stadt im County und Sitz der Countyverwaltung (County Seat) ist Los Alamos.

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- [en] Los Alamos County, New Mexico

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[ru] Лос-Аламос (округ)

Лос-А́ламос (англ. Los Alamos County) — округ в штате Нью-Мексико, США. Административный центр — Лос-Аламос. По данным переписи за 2010 год число жителей округа составляло 17 950 человек. Округ был создан в 1949 году. На территории округа находится Лос-Аламосская национальная лаборатория.

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