| PEOPLE | Fitchburg | Jonesboro | United States |
| Population | 40,318 | 67,263 | 308,035,306 |
| Pop. Density | 1,449 | 842 | 87 |
| Pop. Change | 3.89% | 22.69% | 8.07% |
| Median Age | 34.7 | 31.4 | 37.3 |
| Households | 15,165 | 26,111 | 116,716,292 |
| Household Size | 2.49 | 2.45 | 2.58 |
| Male Population | 48.59% | 48.30% | 49.27% |
| Female Population | 51.41% | 51.70% | 50.96% |
| Married Population | 39.92% | 45.88% | 47.02% |
| Single Population | 60.08% | 54.12% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 6.74% | 7.59% | 6.56% |
| Age 5 to 9 | 5.99% | 7.08% | 6.61% |
| Age 10 to 14 | 6.05% | 6.33% | 6.71% |
| Age 15 to 17 | 4.09% | 3.77% | 4.21% |
| Age 18 to 20 | 4.44% | 4.46% | 2.95% |
| Age 21 to 24 | 9.69% | 10.52% | 7.01% |
| Age 25 to 34 | 13.32% | 15.26% | 13.33% |
| Age 35 to 44 | 12.61% | 11.64% | 13.33% |
| Age 45 to 49 | 14.14% | 11.73% | 14.61% |
| Age 50 to 54 | 14.14% | 11.73% | 14.61% |
| Age 55 to 59 | 10.52% | 9.77% | 11.84% |
| Age 60 to 64 | 10.52% | 9.77% | 11.84% |
| Age 65 to 74 | 5.96% | 6.18% | 7.05% |
| Age 75 to 84 | 4.21% | 4.02% | 4.24% |
| Age 85 and over | 2.23% | 1.65% | 1.78% |
| RACE | | | |
| White | 78.20% | 74.71% | 72.41% |
| Black | 5.08% | 18.41% | 12.61% |
| Asian | 3.63% | 1.51% | 4.75% |
| American Indian | 0.33% | 0.36% | 0.95% |
| Other | 12.75% | 5.01% | 9.28% |
| Hispanic | 0.86% | 21.44% | 16.35% |
| Non-Hispanic | 99.14% | 78.56% | 83.65% |
| FAMILY | | | |
| Married, w/children | 25.29% | 28.93% | 30.42% |
| Married, no children | 38.43% | 40.07% | 42.46% |
| Single, w/children | 21.72% | 18.86% | 14.39% |
| Single, no children | 14.56% | 12.15% | 12.73% |
| Divorced | 10.61% | 11.34% | 10.62% |
| Separated | 6.33% | 3.89% | 4.97% |
| Widowed | 7.22% | 6.45% | 6.14% |
| Now Married | 39.85% | 46.74% | 46.32% |
| Never Married | 35.99% | 31.58% | 31.95% |
