| PEOPLE | Santa Cruz | San Ramon | United States |
| Population | 59,946 | 72,148 | 308,035,306 |
| Pop. Density | 4,705 | 3,995 | 87 |
| Pop. Change | 11.99% | 58.39% | 8.07% |
| Median Age | 29.9 | 36.9 | 37.3 |
| Households | 21,657 | 25,284 | 116,716,292 |
| Household Size | 2.38 | 2.84 | 2.58 |
| Male Population | 50.12% | 49.13% | 49.27% |
| Female Population | 49.88% | 50.87% | 50.96% |
| Married Population | 34.36% | 56.18% | 47.02% |
| Single Population | 65.64% | 43.82% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 3.93% | 7.92% | 6.56% |
| Age 5 to 9 | 3.80% | 9.22% | 6.61% |
| Age 10 to 14 | 3.59% | 8.17% | 6.71% |
| Age 15 to 17 | 2.35% | 4.28% | 4.21% |
| Age 18 to 20 | 10.17% | 1.62% | 2.95% |
| Age 21 to 24 | 18.94% | 3.31% | 7.01% |
| Age 25 to 34 | 13.57% | 11.73% | 13.33% |
| Age 35 to 44 | 11.51% | 19.87% | 13.33% |
| Age 45 to 49 | 12.02% | 16.07% | 14.61% |
| Age 50 to 54 | 12.02% | 16.07% | 14.61% |
| Age 55 to 59 | 11.31% | 10.01% | 11.84% |
| Age 60 to 64 | 11.31% | 10.01% | 11.84% |
| Age 65 to 74 | 4.76% | 5.06% | 7.05% |
| Age 75 to 84 | 2.64% | 1.92% | 4.24% |
| Age 85 and over | 1.42% | 0.81% | 1.78% |
| RACE | | | |
| White | 74.50% | 53.56% | 72.41% |
| Black | 1.79% | 2.83% | 12.61% |
| Asian | 7.66% | 35.64% | 4.75% |
| American Indian | 0.73% | 0.28% | 0.95% |
| Other | 15.32% | 7.69% | 9.28% |
| Hispanic | 5.91% | 5.84% | 16.35% |
| Non-Hispanic | 94.09% | 94.16% | 83.65% |
| FAMILY | | | |
| Married, w/children | 30.03% | 52.00% | 30.42% |
| Married, no children | 43.03% | 33.14% | 42.46% |
| Single, w/children | 14.33% | 8.56% | 14.39% |
| Single, no children | 12.60% | 6.29% | 12.73% |
| Divorced | 10.98% | 10.28% | 10.62% |
| Separated | 4.44% | 2.90% | 4.97% |
| Widowed | 3.52% | 3.37% | 6.14% |
| Now Married | 33.80% | 56.29% | 46.32% |
| Never Married | 47.25% | 27.16% | 31.95% |