Sullivan County, New Hampshire
Sullivan County, New Hampshire · ZIP 03280, 03284, 03601
- Census data · ACS 2019-2023
- 44,012 (2024 estimate)Population
- 16,079Households
- $75,929Median household income
- $236,300Median home value
- 18Towns with a page
- 17ZIP codes
Sullivan County in numbersOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 40,458 |
| 2010 | 43,742 |
| 2020 | 43,063 |
As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.
Sources: Census 2000 Summary File 1: total population, county level, state 33, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 33, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 33, retrieved November 14, 2026.
Median household income $75,929 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.
Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county level, state 33, retrieved November 14, 2026.
- Owner occupied
- 12,031 units
- Renter occupied
- 4,048 units
- Vacancy rate
- 26.6%
Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.
Source: American Community Survey 5-year data profile 2019–2023, county level, state 33, retrieved November 14, 2026.
12,071 employees in 956 establishments with payroll in 2023, all sectors; employers themselves are not named in the source. County Business Patterns counts are published with noise.
Source: County Business Patterns 2023: employment by sector, county level, state 33, retrieved November 14, 2026.
| Measure | Sullivan County | New Hampshire |
|---|---|---|
| Population | 43,529 | 1,387,834 |
| Median household income | $75,929 | $95,628 |
| Median age | 47.3 | 43.2 |
| Median home value | $236,300 | $367,200 |
| Bachelor’s degree or higher | 30.5% | 39.8% |
| Foreign-born residents | 2.2% | 6.2% |
| Owner-occupied homes | 74.8% | 72.5% |
| Mean commute to work | 25.9 minutes | 26.8 minutes |
Source: American Community Survey 5-year data profile 2019–2023, county level, state 33, retrieved November 14, 2026.
Townships, towns and villages in Sullivan County18 with a page · sort by any column
| Type | |||
|---|---|---|---|
| Claremont | City | 13,105 | 43.2 sq mi |
| Newport Town | Town | 6,418 | 43.6 sq mi |
| Newport | Census designated place | 5,185 | 14.1 sq mi |
| Charlestown Town | Town | 4,919 | 35.8 sq mi |
| Grantham Town | Town | 3,483 | 27.2 sq mi |
| Sunapee Town | Town | 3,459 | 21.1 sq mi |
| Plainfield Town | Town | 2,550 | 52.2 sq mi |
| Cornish Town | Town | 1,648 | 42.0 sq mi |
| Unity Town | Town | 1,521 | 37.0 sq mi |
| Springfield Town | Town | 1,316 | 43.6 sq mi |
| Washington Town | Town | 1,213 | 45.7 sq mi |
| Lempster Town | Town | 1,158 | 32.4 sq mi |
| Acworth Town | Town | 892 | 38.8 sq mi |
| Charlestown | Census designated place | 879 | 0.95 sq mi |
| Croydon Town | Town | 856 | 36.8 sq mi |
| Goshen Town | Town | 810 | 22.4 sq mi |
| Langdon Town | Town | 664 | 16.2 sq mi |
| Plainfield | Census designated place | 237 | 0.58 sq mi |
Populations: Census Population Estimates, Vintage 2024: subcounty totals, state 33 (2024). Land areas: Census Gazetteer 2025: counties. A dash means the figure is not in the cited file.
County officialsFrom public records
No county official is published yet. Names appear once a researcher drafts them from the county’s own site and a second person approves; office contacts only, never personal details.
Across Sullivan County
No job is posted in Sullivan County’s towns yet. Employers post from their business dashboard; public job banks are added once their terms are recorded.
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Neighboring counties
Neighboring counties
- Cheshire CountyPopulation 78,078 (2024 estimate)
- Grafton CountyPopulation 93,045 (2024 estimate)
- Hillsborough CountyPopulation 430,462 (2024 estimate)
- Merrimack CountyPopulation 157,869 (2024 estimate)
- Windham CountyPopulation 45,627 (2024 estimate)
- Windsor CountyPopulation 57,697 (2024 estimate)
Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 33, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 50, retrieved November 14, 2026.