| PEOPLE | Eau Claire | San Ramon | United States |
| Population | 65,883 | 72,148 | 308,035,306 |
| Pop. Density | 2,056 | 3,995 | 87 |
| Pop. Change | 4.45% | 58.39% | 8.07% |
| Median Age | 29.8 | 36.9 | 37.3 |
| Households | 26,803 | 25,284 | 116,716,292 |
| Household Size | 2.31 | 2.84 | 2.58 |
| Male Population | 48.45% | 49.13% | 49.27% |
| Female Population | 51.55% | 50.87% | 50.96% |
| Married Population | 40.73% | 56.18% | 47.02% |
| Single Population | 59.27% | 43.82% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.90% | 7.92% | 6.56% |
| Age 5 to 9 | 5.30% | 9.22% | 6.61% |
| Age 10 to 14 | 4.93% | 8.17% | 6.71% |
| Age 15 to 17 | 3.18% | 4.28% | 4.21% |
| Age 18 to 20 | 5.90% | 1.62% | 2.95% |
| Age 21 to 24 | 16.43% | 3.31% | 7.01% |
| Age 25 to 34 | 14.85% | 11.73% | 13.33% |
| Age 35 to 44 | 10.24% | 19.87% | 13.33% |
| Age 45 to 49 | 11.24% | 16.07% | 14.61% |
| Age 50 to 54 | 11.24% | 16.07% | 14.61% |
| Age 55 to 59 | 10.35% | 10.01% | 11.84% |
| Age 60 to 64 | 10.35% | 10.01% | 11.84% |
| Age 65 to 74 | 5.44% | 5.06% | 7.05% |
| Age 75 to 84 | 4.13% | 1.92% | 4.24% |
| Age 85 and over | 2.09% | 0.81% | 1.78% |
| RACE | | | |
| White | 91.41% | 53.56% | 72.41% |
| Black | 1.14% | 2.83% | 12.61% |
| Asian | 4.57% | 35.64% | 4.75% |
| American Indian | 0.53% | 0.28% | 0.95% |
| Other | 2.34% | 7.69% | 9.28% |
| Hispanic | 1.27% | 5.84% | 16.35% |
| Non-Hispanic | 98.73% | 94.16% | 83.65% |
| FAMILY | | | |
| Married, w/children | 28.92% | 52.00% | 30.42% |
| Married, no children | 45.36% | 33.14% | 42.46% |
| Single, w/children | 16.13% | 8.56% | 14.39% |
| Single, no children | 9.58% | 6.29% | 12.73% |
| Divorced | 9.73% | 10.28% | 10.62% |
| Separated | 3.65% | 2.90% | 4.97% |
| Widowed | 5.70% | 3.37% | 6.14% |
| Now Married | 40.93% | 56.29% | 46.32% |
| Never Married | 39.99% | 27.16% | 31.95% |
