Sullivan County, New Hampshire
Sullivan County: County in New Hampshire, United States
About
Sullivan County is a county located in the U.S. state of New Hampshire. As of the 2010 census, the population was 43,742 and a population density of 31 people per km². After 10 years in 2020 county had an estimated population of 43,267 inhabitants. Its county seat is Newport. The county was created 197 years ago in 1826.
Quick Facts about Sullivan County
| Population : | 43,267 (2020) |
| Country : | United States of America |
| State : | New Hampshire (United States) |
| Different from : | Sullivan County, Sullivan County, Sullivan County, Sullivan County, Sullivan County |
| Area : | 1429 km2 |
| Water as percent of area : | 2.6% |
| Land as percent of area : | 97.4% |
| Named for : | John Sullivan |
| Capital : | Newport |
| Establishment : | January 01, 1827 |
| Time Zone : | America/New_York |
| Local time : | 09:22:05 (21st December 2024) |
| Density : | 30 Pop. per km² as of 2020 |
| Population growth : | -1.1% (2010-2020) |
Geography
Sullivan County is located at 43°21'40"N 72°13'21"W (43.3612200, -72.2224000). It has 6 neighbors: Hillsborough County, Cheshire County, Grafton County, Merrimack County, Windham County and Windsor County.
Sullivan County map
icon to open full mode. View satellite images
The largest city of Sullivan County is Claremont with a population of 12,944. . See all Sullivan County cities & populated places.
Sullivan County Populated Places
Cities, towns, neighborhoods & other populated places in Sullivan County.
| City Name | Population | Title |
|---|---|---|
| Claremont | 12,944 | City in New Hampshire, United States |
| Newport | 6,379 | Town in New Hampshire, United States |
| Charlestown | 5,032 | Town in New Hampshire |
| Sunapee | 3,505 | Town of the United States |
| Grantham | 2,955 | Town in Sullivan County, New Hampshire, United States |
| Plainfield | 2,419 | Town in Sullivan County, New Hampshire, United States |
| Unity | 1,616 | Town in Sullivan County, New Hampshire, United States |
| Springfield | 1,348 | Town in New Hampshire, United States |
| Lempster | 1,177 | Town in Sullivan County, New Hampshire |
| Washington | 1,104 | Town in New Hampshire |
| Acworth | 897 | Town in New Hampshire |
| Goshen | 813 | Town in New Hampshire, United States |
| Croydon | 774 | Town in Sullivan County, New Hampshire, United States |
| Langdon | 688 | Town |
- Official Website
Official website of Sullivan County
Sullivan County has 6 neighbours.
- Hillsborough County county in New Hampshire, United States
- Cheshire County county in New Hampshire, United States
- Grafton County county in New Hampshire, United States
- Merrimack County county in New Hampshire, United States
- Windham County county in Vermont, United States
- Windsor County county in Vermont, United States
- Croydon
- Newport
- Langdon
- Lempster
- Acworth
- Claremont
- Goshen
- Springfield
- Sunapee
- Plainfield
- Washington
- Cornish
- Grantham
- Charlestown
- Unity
Demographics
According to census records, the population of Sullivan County decreased by 1.1% in 10 years.
| Year | Population | % Change | Method |
| 2010 | 43,742 | - | census |
| 2011 | 43,502 | -0.55% | estimation process |
| 2012 | 43,229 | -0.63% | estimation process |
| 2013 | 43,049 | -0.42% | estimation process |
| 2014 | 43,149 | 0.23% | estimation process |
| 2015 | 43,148 | -0% | estimation process |
| 2016 | 43,084 | -0.15% | estimation process |
| 2017 | 43,027 | -0.13% | estimation process |
| 2018 | 43,114 | 0.2% | estimation process |
| 2019 | 43,146 | 0.07% | estimation process |
| 2020 | 43,267 | 0.28% | estimation process |
People born in Sullivan County (2)
People born in Sullivan County, including actor James Broderick, Union United States Army officer Thomas J. Cram, .
List
Other places with the same name (6)
- Sullivan County , Tennessee county in New York, United States with a population of 158,755 people.
- Sullivan County , New York county in New York, United States with a population of 75,802 people.
- Sullivan County , Indiana county in Indiana, United States with a population of 20,578 people.
- Sullivan County , Missouri county in Missouri, United States with a population of 6,033 people.
- Sullivan County , Pennsylvania county in Pennsylvania, United States with a population of 5,913 people.
New Hampshire Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Hillsborough County | 418,735 | The most populous county in the U. |
| Rockingham County | 311,307 | County in New Hampshire, United States |
| Merrimack County | 152,622 | County in New Hampshire, United States |
| Strafford County | 131,533 | County in New Hampshire, United States |
| Manchester | 112,546 | The most populous city in Hillsborough County, New Hampshire. |
| City of Manchester | 109,565 | The most populous city in Hillsborough County, New Hampshire. |
| Grafton County | 90,691 | County in New Hampshire, United States |
| Nashua | 89,167 | The most populous city in Hillsborough County, New Hampshire. |
| Cheshire County | 76,228 | County in New Hampshire, United States |
| Belknap County | 61,551 | County in New Hampshire, United States |
| Carroll County | 49,167 | County in New Hampshire, United States |
| Concord | 43,924 | The capital of New Hampshire. |
| East Concord | 42,605 | A census-designated place in Merrimack County, New Hampshire. |
| Derry Village | 34,539 | City in Rockingham County, New Hampshire, United States of America |
| Derry | 33,442 | Town in New Hampshire, United States |
| Dover | 32,443 | County seat city in Strafford County, New Hampshire, United States |
