Pen Mar is an unincorporated community and census-designated place (CDP) in Washington Township, Franklin County, Pennsylvania, United States. It is located along the Mason–Dixon line, bordered to the south by the community of Pen Mar Park in Maryland. As of the 2010 census the population of Pen Mar was 929.[3] The community's name is an amalgamation of "Pennsylvania" and "Maryland".[4]
Pen Mar, Pennsylvania | |
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Census-designated place | |
![]() ![]() Pen Mar ![]() ![]() Pen Mar | |
Coordinates: 39°43′14″N 77°30′24″W | |
Country | United States |
State | Pennsylvania |
County | Franklin |
Township | Washington |
Area | |
• Total | 0.75 sq mi (1.93 km2) |
• Land | 0.74 sq mi (1.91 km2) |
• Water | 0.01 sq mi (0.02 km2) |
Elevation | 1,246 ft (380 m) |
Population (2020)[2] | |
• Total | 947 |
• Density | 1,281.46/sq mi (495.04/km2) |
Time zone | UTC-5 (Eastern (EST)) |
• Summer (DST) | UTC-4 (EDT) |
ZIP code | 17268 |
FIPS code | 42-58776 |
GNIS feature ID | 2634268 |
Pen Mar is located in southeastern Franklin County, Pennsylvania, on the western slope of South Mountain. Pennsylvania Route 550 is the main road through the community, leading northwest down the mountain 2 miles (3 km) to Rouzerville. Waynesboro, Pennsylvania, is 4.5 miles (7.2 km) northwest of Pen Mar, and the site of the former Fort Ritchie in Maryland is 1 mile (1.6 km) to the southeast.
Historical population | |||
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Census | Pop. | %± | |
2020 | 947 | — | |
U.S. Decennial Census[5] |
Municipalities and communities of Franklin County, Pennsylvania, United States | ||
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County seat: Chambersburg | ||
Boroughs | ![]() | |
Townships | ||
CDPs | ||
Unincorporated communities |
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Footnotes | ‡This populated place also has portions in an adjacent county or counties | |
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