| New Hampshire Population by County |
| year 2000 |
| New Hampshire Population by County |
| year 2000 |
| Area | Population |
|---|---|
| Hillsborough County | 380,841 |
| Rockingham County | 277,359 |
| Merrimack County | 136,225 |
| Strafford County | 112,233 |
| Grafton County | 81,743 |
| Cheshire County | 73,825 |
| Belknap County | 56,325 |
| Carroll County | 43,666 |
| Sullivan County | 40,458 |
| Coos County | 33,111 |