| PEOPLE | Pittsburg | Liberal | United States |
| Population | 20,233 | 20,525 | 308,035,306 |
| Pop. Density | 1,581 | 1,768 | 87 |
| Pop. Change | 4.33% | 3.92% | 8.07% |
| Median Age | 26.4 | 28.5 | 37.3 |
| Households | 8,142 | 6,623 | 116,716,292 |
| Household Size | 2.32 | 3.03 | 2.58 |
| Male Population | 49.87% | 51.43% | 49.27% |
| Female Population | 50.13% | 48.57% | 50.96% |
| Married Population | 36.82% | 47.42% | 47.02% |
| Single Population | 63.18% | 52.58% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 7.03% | 10.21% | 6.56% |
| Age 5 to 9 | 5.78% | 9.10% | 6.61% |
| Age 10 to 14 | 5.10% | 7.90% | 6.71% |
| Age 15 to 17 | 2.82% | 4.86% | 4.21% |
| Age 18 to 20 | 6.75% | 3.95% | 2.95% |
| Age 21 to 24 | 20.16% | 8.52% | 7.01% |
| Age 25 to 34 | 14.44% | 14.73% | 13.33% |
| Age 35 to 44 | 8.91% | 13.03% | 13.33% |
| Age 45 to 49 | 9.19% | 11.61% | 14.61% |
| Age 50 to 54 | 9.19% | 11.61% | 14.61% |
| Age 55 to 59 | 8.14% | 7.79% | 11.84% |
| Age 60 to 64 | 8.14% | 7.79% | 11.84% |
| Age 65 to 74 | 5.35% | 4.29% | 7.05% |
| Age 75 to 84 | 3.82% | 2.78% | 4.24% |
| Age 85 and over | 2.52% | 1.23% | 1.78% |
| RACE | | | |
| White | 87.09% | 68.63% | 72.41% |
| Black | 3.27% | 3.70% | 12.61% |
| Asian | 2.04% | 2.90% | 4.75% |
| American Indian | 0.86% | 0.79% | 0.95% |
| Other | 6.75% | 23.99% | 9.28% |
| Hispanic | 0.64% | 34.01% | 16.35% |
| Non-Hispanic | 99.36% | 65.99% | 83.65% |
| FAMILY | | | |
| Married, w/children | 28.31% | 40.26% | 30.42% |
| Married, no children | 37.97% | 31.91% | 42.46% |
| Single, w/children | 20.70% | 17.63% | 14.39% |
| Single, no children | 13.02% | 10.19% | 12.73% |
| Divorced | 9.22% | 9.85% | 10.62% |
| Separated | 3.60% | 6.00% | 4.97% |
| Widowed | 6.93% | 7.74% | 6.14% |
| Now Married | 37.37% | 48.20% | 46.32% |
| Never Married | 42.88% | 28.21% | 31.95% |
