Counties of New Hampshire
New Hampshire has 10 counties, home to 1,415,342 people across 23,191 km². Each county below opens its full profile — Census Bureau and American Community Survey figures, and how it ranks against the rest of New Hampshire and the country.
- Counties
- 10
- Population
- 1,415,342
- 2025 estimate
- #41 of 51 states
- Area
- 23,191 km²
- #44 of 51 states
- Density
- 61
- per km²
- #22 of 51 states
How New Hampshire's counties spread
Across New Hampshire's counties: the middle value, where the state ranks among all states (1 = highest median), and which county is highest and lowest. Medians rather than totals, since most of these are rates that cannot be added up.
Amenities & Infrastructure
| Indicator | Median | Rank | Highest | Lowest |
|---|---|---|---|---|
| Households with Broadband2024 | 91.8% | 4 / 50 | Rockingham County95.0% | Coos County86.4% |
| Median Gross Rent2024 | $1,289 | 11 / 50 | Rockingham County$1,687 | Coos County$876 |
| Median Home Value2024 | $365,200 | 11 / 50 | Rockingham County$497,500 | Coos County$188,900 |
| Owner-Occupied Homes2024 | 73.8% | 27 / 50 | Carroll County83.4% | Strafford County67.1% |
| Vacant Homes2024 | 19.5% | 7 / 50 | Carroll County46.0% | Hillsborough County5.1% |
Demography
| Indicator | Median | Rank | Highest | Lowest |
|---|---|---|---|---|
| Aged 65 and Over2024 | 22.7% | 5 / 50 | Carroll County30.9% | Strafford County17.1% |
| American Indian & Alaska Native2024 | 0.1% | 29 / 50 | Carroll County0.3% | Strafford County0.0% |
| Asian, non-Hispanic2024 | 1.4% | 13 / 50 | Hillsborough County4.3% | Coos County0.1% |
| Average Household Size2024people | 2.4 | 27 / 50 | Sullivan County2.6 | Coos County2.1 |
| Black, non-Hispanic2024 | 0.9% | 31 / 50 | Hillsborough County2.2% | Belknap County0.5% |
| Foreign-Born2024 | 3.7% | 24 / 50 | Hillsborough County10.3% | Sullivan County2.1% |
| Hispanic or Latino2024 | 2.7% | 42 / 50 | Hillsborough County8.5% | Carroll County1.8% |
| Median Age2024years | 44.6 | 4 / 50 | Carroll County54.6 | Strafford County38.2 |
| Sex Ratio2024per 1,000 males | 1,009 | 20 / 50 | Cheshire County1,026 | Coos County914 |
| Speak a Language Other Than English2024 | 5.3% | 26 / 50 | Hillsborough County13.9% | Sullivan County1.8% |
| Under 182024 | 17.6% | 49 / 50 | Hillsborough County19.6% | Carroll County14.7% |
| Veterans2024 | 7.8% | 14 / 50 | Coos County10.3% | Hillsborough County6.9% |
| White, non-Hispanic2024 | 90.8% | 8 / 50 | Carroll County94.0% | Hillsborough County80.1% |
Economy
| Indicator | Median | Rank | Highest | Lowest |
|---|---|---|---|---|
| Below Poverty Line2024 | 8.6% | 49 / 50 | Coos County13.2% | Rockingham County4.8% |
| Households on SNAP2024 | 6.8% | 44 / 50 | Coos County12.6% | Rockingham County3.3% |
| Income Inequality2024index | 0.445 | 31 / 50 | Grafton County0.495 | Cheshire County0.426 |
| Median Household Income2024 | $88,416 | 7 / 50 | Rockingham County$118,331 | Coos County$57,677 |
| Per Capita Income2024 | $49,041 | 6 / 50 | Rockingham County$61,558 | Coos County$37,679 |
| Unemployment Rate2024 | 3.3% | 42 / 50 | Carroll County5.1% | Sullivan County3.1% |
Education
| Indicator | Median | Rank | Highest | Lowest |
|---|---|---|---|---|
| Bachelor's Degree or Higher2024 | 38.8% | 6 / 50 | Grafton County46.7% | Coos County20.1% |
| High School or Higher2024 | 94.5% | 2 / 50 | Rockingham County96.1% | Coos County90.4% |
Health Coverage
| Indicator | Median | Rank | Highest | Lowest |
|---|---|---|---|---|
| No Health Insurance2024 | 5.7% | 36 / 50 | Coos County7.7% | Rockingham County4.1% |
| With a Disability2024 | 14.6% | 34 / 50 | Coos County21.9% | Rockingham County11.5% |
Population & Density
| Indicator | Median | Rank | Highest | Lowest |
|---|---|---|---|---|
| Population2025 | 85,747 | 12 / 50 | Hillsborough County433,415 | Coos County31,343 |
| Population Density2025/km² | 53 | 8 / 50 | Hillsborough County191 | Coos County7 |
Work & Commute
| Indicator | Median | Rank | Highest | Lowest |
|---|---|---|---|---|
| Commute by Public Transit2024 | 0.4% | 12 / 50 | Strafford County1.4% | Coos County0.1% |
| Households with No Vehicle2024 | 4.8% | 37 / 50 | Coos County9.0% | Rockingham County3.1% |
| Mean Commute Time2024minutes | 26.1 | 16 / 50 | Rockingham County28.9 | Grafton County22.2 |
| Work from Home2024 | 15.3% | 4 / 50 | Rockingham County19.4% | Coos County8.0% |
All counties
| County | Population 2025 | Area | Median income |
|---|---|---|---|
| Belknap County | 65,147 | 1,041 km² | $92,783 |
| Carroll County | 52,784 | 2,414 km² | $86,463 |
| Cheshire County | 78,269 | 1,830 km² | $83,329 |
| Coos County | 31,343 | 4,648 km² | $57,677 |
| Grafton County | 93,225 | 4,425 km² | $88,261 |
| Hillsborough County | 433,415 | 2,270 km² | $103,545 |
| Merrimack County | 158,078 | 2,416 km² | $97,004 |
| Rockingham County | 324,077 | 1,801 km² | $118,331 |
| Strafford County | 135,043 | 952 km² | $88,570 |
| Sullivan County | 43,961 | 1,393 km² | $80,858 |
Compare New Hampshire's counties on a map, add layers and run a scatter — open the atlas, or browse all 3,144 US counties or all states.