| Name | Spring Hill |
| Population 2000 | 69078 |
| Population 1990 | 31117 |
| Population Change | 122.0% |
| Non-Hispanic White 2000 | 61097 |
| Non-Hispanic White 1990 | 29327 |
| Non-Hispanic White Change | 108.3% |
| Non-Hispanic Black 2000 | 2093 |
| Non-Hispanic Black 1990 | 361 |
| Non-Hispanic Black Change | 479.8% |
| Non-Hispanic American Indian 2000 | 335 |
| Non-Hispanic American Indian 1990 | 42 |
| Non-Hispanic American Indian Change | 697.6% |
| Non-Hispanic Asian 2000 | 671 |
| Non-Hispanic Asian 1990 | 124 |
| Non-Hispanic Asian Change | 441.1% |
| Non-Hispanic Other 2000 | 162 |
| Non-Hispanic Other 1990 | 3 |
| Non-Hispanic Other Change | 5283.3%% |
| Hispanic White 2000 | 3494 |
| Hispanic White 1990 | 1068 |
| Hispanic White Change | 227.2% |
| Hispanic Black 2000 | 174 |
| Hispanic Black 1990 | 32 |
| Hispanic Black Change | 443.8% |
| Hispanic American Indian 2000 | 38 |
| Hispanic American Indian 1990 | 1 |
| Hispanic American Indian Change | 3733.3%% |
| Hispanic Asian 2000 | 31 |
| Hispanic Asian 1990 | 5 |
| Hispanic Asian Change | 520.0% |
| Hispanic Other 2000 | 982 |
| Hispanic Other 1990 | 154 |
| Hispanic Other Change | 537.7% |