| Rapid City City Guide & Data | |
|---|---|
| Population (2009 est.) | 67,107 |
| Population (2000) | 59,507 |
| Population growth | 12.8% |
| Household income | $53,247 |
| Income per capita | $28,779 |
| Male/Female ratio | 0.95:1 |
| Males 18-39 years | 33.6% |
| Females 18-39 years | 31.2% |
| Married (15yrs and older) | 54.1% |
| Have children (under 18yrs) | 49.8% |