Demographics Table
Demographic Data Report for New Hampshire by County
Population: Age under 18
All Races (includes Hispanic), Both Sexes
2020-2024 American Community Survey 5-Year Data
Sorted by Percent
County
|
2023 Rural-Urban Continuum Codes Φ
|
Value (Percent)
|
People (Age Under 18)
|
Rank within US (of 3143 counties)
|
|---|---|---|---|---|
| New Hampshire | N/A | 18.2 | 254,480 | 49 of 52 |
| United States | N/A | 22.0 | 73,517,834 | N/A |
| Carroll County | Rural | 14.7 | 7,631 | 3,060 |
| Grafton County | Rural | 15.6 | 14,414 | 3,005 |
| Coos County | Rural | 16.0 | 5,014 | 2,976 |
| Belknap County | Rural | 17.3 | 11,189 | 2,848 |
| Strafford County | Urban | 17.6 | 23,399 | 2,794 |
| Sullivan County | Rural | 17.7 | 7,757 | 2,775 |
| Cheshire County | Rural | 17.8 | 13,760 | 2,756 |
| Merrimack County | Rural | 18.4 | 28,657 | 2,659 |
| Rockingham County | Urban | 18.5 | 58,963 | 2,641 |
| Hillsborough County | Urban | 19.6 | 83,696 | 2,372 |
Notes:
Created by statecancerprofiles.cancer.gov on 03/20/2026 11:02 pm.
Φ Rural–urban county classifications are based on the 2023 USDA Rural–Urban Continuum Codes (except for Connecticut Counties which use 2013 codes). State-level cancer rates for rural areas are calculated using cancer cases registered exclusively in rural counties, while state-level cancer rates for urban areas are calculated using cases registered exclusively in urban counties.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age under 18, see the dictionary.
Data for United States does not include Puerto Rico.