| PEOPLE | Harrisonburg | Post Falls | United States |
| Population | 48,914 | 27,574 | 308,035,306 |
| Pop. Density | 2,808 | 1,959 | 87 |
| Pop. Change | 23.18% | 45.14% | 8.07% |
| Median Age | 23.1 | 33.2 | 37.3 |
| Households | 15,988 | 10,263 | 116,716,292 |
| Household Size | 2.58 | 2.68 | 2.58 |
| Male Population | 46.61% | 48.75% | 49.27% |
| Female Population | 53.39% | 51.25% | 50.96% |
| Married Population | 26.12% | 55.90% | 47.02% |
| Single Population | 73.88% | 44.10% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 4.96% | 8.58% | 6.56% |
| Age 5 to 9 | 4.26% | 8.47% | 6.61% |
| Age 10 to 14 | 3.58% | 7.68% | 6.71% |
| Age 15 to 17 | 2.22% | 4.30% | 4.21% |
| Age 18 to 20 | 13.68% | 2.64% | 2.95% |
| Age 21 to 24 | 28.07% | 6.02% | 7.01% |
| Age 25 to 34 | 12.71% | 15.00% | 13.33% |
| Age 35 to 44 | 8.21% | 13.58% | 13.33% |
| Age 45 to 49 | 7.82% | 12.45% | 14.61% |
| Age 50 to 54 | 7.82% | 12.45% | 14.61% |
| Age 55 to 59 | 6.25% | 9.99% | 11.84% |
| Age 60 to 64 | 6.25% | 9.99% | 11.84% |
| Age 65 to 74 | 3.74% | 6.77% | 7.05% |
| Age 75 to 84 | 2.93% | 3.45% | 4.24% |
| Age 85 and over | 1.57% | 1.07% | 1.78% |
| RACE | | | |
| White | 78.45% | 94.02% | 72.41% |
| Black | 6.36% | 0.42% | 12.61% |
| Asian | 3.51% | 0.73% | 4.75% |
| American Indian | 0.26% | 0.94% | 0.95% |
| Other | 11.42% | 3.88% | 9.28% |
| Hispanic | 2.79% | 0.68% | 16.35% |
| Non-Hispanic | 97.21% | 99.32% | 83.65% |
| FAMILY | | | |
| Married, w/children | 29.43% | 35.13% | 30.42% |
| Married, no children | 40.08% | 39.35% | 42.46% |
| Single, w/children | 17.59% | 16.62% | 14.39% |
| Single, no children | 12.89% | 8.91% | 12.73% |
| Divorced | 8.14% | 12.92% | 10.62% |
| Separated | 4.03% | 2.20% | 4.97% |
| Widowed | 4.81% | 5.13% | 6.14% |
| Now Married | 25.70% | 56.01% | 46.32% |
| Never Married | 57.32% | 23.74% | 31.95% |
