| |
| Age Group | Male | Female | Massachusetts, 2000, Universe: 001 Total population Universe Population: 6,349,097 | ||
| Population | Pct | Population | Pct |  | |
| Total | 3,058,816 | 48.2 | 3,290,281 | 51.8 | |
| 0- 4 | 203,062 | 3.2 | 194,206 | 3.1 | |
| 5- 9 | 221,145 | 3.5 | 209,716 | 3.3 | |
| 10-14 | 221,168 | 3.5 | 210,079 | 3.3 | |
| 15-19 | 210,460 | 3.3 | 205,277 | 3.2 | |
| 20-24 | 198,756 | 3.1 | 205,523 | 3.2 | |
| 25-29 | 213,376 | 3.4 | 220,648 | 3.5 | |
| 30-34 | 242,386 | 3.8 | 250,378 | 3.9 | |
| 35-39 | 266,507 | 4.2 | 274,086 | 4.3 | |
| 40-44 | 255,838 | 4.0 | 266,564 | 4.2 | |
| 45-49 | 225,029 | 3.5 | 236,916 | 3.7 | |
| 50-54 | 199,205 | 3.1 | 212,203 | 3.3 | |
| 55-59 | 148,841 | 2.3 | 161,161 | 2.5 | |
| 60-64 | 111,504 | 1.8 | 124,901 | 2.0 | |
| 65-69 | 98,882 | 1.6 | 117,616 | 1.9 | |
| 70-74 | 91,416 | 1.4 | 119,916 | 1.9 | |
| 75-79 | 73,829 | 1.2 | 111,112 | 1.8 | |
| 80-84 | 46,464 | 0.7 | 84,235 | 1.3 | |
| 85+ | 30,948 | 0.5 | 85,744 | 1.4 | |