| |
| Age Group | Male | Female | Strafford County, New Hampshire, 2000, Universe: 001 Total population Universe Population: 112,233 | ||
| Population | Pct | Population | Pct |  | |
| Total | 54,475 | 48.5 | 57,758 | 51.5 | |
| 0- 4 | 3,442 | 3.1 | 3,222 | 2.9 | |
| 5- 9 | 3,829 | 3.4 | 3,702 | 3.3 | |
| 10-14 | 4,022 | 3.6 | 3,803 | 3.4 | |
| 15-19 | 4,452 | 4.0 | 5,153 | 4.6 | |
| 20-24 | 4,864 | 4.3 | 5,392 | 4.8 | |
| 25-29 | 3,636 | 3.2 | 3,614 | 3.2 | |
| 30-34 | 3,971 | 3.5 | 4,029 | 3.6 | |
| 35-39 | 4,706 | 4.2 | 4,862 | 4.3 | |
| 40-44 | 4,773 | 4.3 | 4,698 | 4.2 | |
| 45-49 | 3,922 | 3.5 | 4,043 | 3.6 | |
| 50-54 | 3,342 | 3.0 | 3,384 | 3.0 | |
| 55-59 | 2,502 | 2.2 | 2,518 | 2.2 | |
| 60-64 | 1,792 | 1.6 | 1,967 | 1.8 | |
| 65-69 | 1,739 | 1.5 | 1,899 | 1.7 | |
| 70-74 | 1,388 | 1.2 | 1,734 | 1.5 | |
| 75-79 | 1,046 | 0.9 | 1,586 | 1.4 | |
| 80-84 | 641 | 0.6 | 1,091 | 1.0 | |
| 85+ | 408 | 0.4 | 1,061 | 0.9 | |