| Area | Census 2000 | 7/1/2008 | Absolute Change | Relative Change |
| New Hampshire | 1,235,786 | 1,315,809 | 80,023 | 6.48% |
|---|---|---|---|---|
| Berlin city | 10,331 | 9,556 | -775 | -7.50% |
| Claremont city | 13,151 | 12,968 | -183 | -1.39% |
| Concord city | 40,687 | 42,255 | 1,568 | 3.85% |
| Dover city | 26,884 | 28,609 | 1,725 | 6.42% |
| Franklin city | 8,405 | 8,713 | 308 | 3.66% |
| Keene city | 22,563 | 22,407 | -156 | -0.69% |
| Laconia city | 16,411 | 17,065 | 654 | 3.99% |
| Lebanon city | 12,568 | 12,806 | 238 | 1.89% |
| Manchester city | 107,006 | 108,586 | 1,580 | 1.48% |
| Nashua city | 86,605 | 86,576 | -29 | -0.03% |
| Portsmouth city | 20,784 | 20,443 | -341 | -1.64% |
| Rochester city | 28,461 | 30,654 | 2,193 | 7.71% |
| Somersworth city | 11,477 | 11,967 | 490 | 4.27% |
Source: Population Division, U.S. Census Bureau