| PEOPLE | Spring Creek | Murrieta | United States |
| Population | 12,361 | 103,466 | 308,035,306 |
| Pop. Density | 210 | 3,081 | 87 |
| Pop. Change | 18.45% | 108.65% | 8.07% |
| Median Age | 35.2 | 33.4 | 37.3 |
| Households | 4,204 | 32,749 | 116,716,292 |
| Household Size | 2.92 | 3.12 | 2.58 |
| Male Population | 51.94% | 48.77% | 49.27% |
| Female Population | 48.06% | 51.23% | 50.96% |
| Married Population | 65.97% | 56.69% | 47.02% |
| Single Population | 34.03% | 43.31% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 7.69% | 7.03% | 6.56% |
| Age 5 to 9 | 8.11% | 8.07% | 6.61% |
| Age 10 to 14 | 9.22% | 9.25% | 6.71% |
| Age 15 to 17 | 5.43% | 6.07% | 4.21% |
| Age 18 to 20 | 2.54% | 3.26% | 2.95% |
| Age 21 to 24 | 4.63% | 6.30% | 7.01% |
| Age 25 to 34 | 12.14% | 11.92% | 13.33% |
| Age 35 to 44 | 14.05% | 15.28% | 13.33% |
| Age 45 to 49 | 16.37% | 14.70% | 14.61% |
| Age 50 to 54 | 16.37% | 14.70% | 14.61% |
| Age 55 to 59 | 12.60% | 8.06% | 11.84% |
| Age 60 to 64 | 12.60% | 8.06% | 11.84% |
| Age 65 to 74 | 5.51% | 5.18% | 7.05% |
| Age 75 to 84 | 1.38% | 3.65% | 4.24% |
| Age 85 and over | 0.33% | 1.22% | 1.78% |
| RACE | | | |
| White | 92.45% | 69.72% | 72.41% |
| Black | 0.35% | 5.41% | 12.61% |
| Asian | 0.61% | 9.24% | 4.75% |
| American Indian | 1.56% | 0.72% | 0.95% |
| Other | 5.02% | 14.91% | 9.28% |
| Hispanic | 9.59% | 24.35% | 16.35% |
| Non-Hispanic | 90.41% | 75.65% | 83.65% |
| FAMILY | | | |
| Married, w/children | 40.29% | 43.66% | 30.42% |
| Married, no children | 46.34% | 35.39% | 42.46% |
| Single, w/children | 8.50% | 12.61% | 14.39% |
| Single, no children | 4.88% | 8.34% | 12.73% |
| Divorced | 8.37% | 8.43% | 10.62% |
| Separated | 1.34% | 3.55% | 4.97% |
| Widowed | 2.34% | 3.66% | 6.14% |
| Now Married | 66.87% | 57.39% | 46.32% |
| Never Married | 21.08% | 26.97% | 31.95% |