| Sullivan County, New Hampshire | ||
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Lempster Mountain Wind Power Project overlooking cemetery in East Lempster, NH
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Location in the U.S. state of New Hampshire |
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New Hampshire's location in the U.S. |
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| Founded | 1827 | |
| Named for | John Sullivan | |
| Seat | Newport | |
| Largest city | Claremont | |
| Area | ||
| • Total | 552 sq mi (1,430 km2) | |
| • Land | 537 sq mi (1,391 km2) | |
| • Water | 15 sq mi (39 km2), 2.7% | |
| Population | ||
| • (2010) | 43,742 | |
| • Density | 81/sq mi (31/km²) | |
| Congressional district | 2nd | |
| Time zone | Eastern: UTC-5/-4 | |
| Website | www |
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Sullivan County is a county located in the U.S. state of New Hampshire. As of the 2010 census, the population was 43,742, making it the second-least populous county in New Hampshire. Its county seat is Newport.
Sullivan County is included in the Claremont-Lebanon, NH-VT Micropolitan Statistical Area.
Sullivan County was organized at Newport in 1827 and is named for John Sullivan (1740–1795), the Revolutionary War hero and a former governor. It was formed from the northern part of Cheshire County.
According to the U.S. Census Bureau, the county has a total area of 552 square miles (1,430 km2), of which 537 square miles (1,390 km2) is land and 15 square miles (39 km2) (2.7%) is water. It is the third-smallest county in New Hampshire by area.
At the 2000 census, there were 40,458 people, 16,530 households and 11,174 families residing in the county. The population density was 29/; (75/sq mi). There were 20,158 housing units at an average density of 38 per square mile (14/km²). The racial makeup of the county was 97.99% White, 0.24% Black or African American, 0.29% Native American, 0.37% Asian, 0.02% Pacific Islander, 0.14% from other races, and 0.94% from two or more races. 0.55% of the population were Hispanic or Latino of any race. 16.9% were of English, 14.7% French, 11.7% French Canadian, 10.7% American, 10.0% Irish, 6.2% German and 5.1% Italian ancestry according to Census 2000. 96.1% spoke English and 1.6% French as their first language.