| PEOPLE | Baltimore | Los Altos Hills | United States |
| Population | 620,961 | 7,922 | 308,035,306 |
| Pop. Density | 7,672 | 900 | 87 |
| Pop. Change | -3.80% | -1.95% | 8.07% |
| Median Age | 34.5 | 50.2 | 37.3 |
| Households | 249,903 | 2,829 | 116,716,292 |
| Household Size | 2.38 | 2.77 | 2.58 |
| Male Population | 47.06% | 49.44% | 49.27% |
| Female Population | 52.94% | 50.56% | 50.96% |
| Married Population | 23.56% | 66.40% | 47.02% |
| Single Population | 76.44% | 33.60% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 6.63% | 3.45% | 6.56% |
| Age 5 to 9 | 5.71% | 6.08% | 6.61% |
| Age 10 to 14 | 5.53% | 8.03% | 6.71% |
| Age 15 to 17 | 3.64% | 5.30% | 4.21% |
| Age 18 to 20 | 3.49% | 1.54% | 2.95% |
| Age 21 to 24 | 9.09% | 2.78% | 7.01% |
| Age 25 to 34 | 16.68% | 4.34% | 13.33% |
| Age 35 to 44 | 12.33% | 9.33% | 13.33% |
| Age 45 to 49 | 14.08% | 18.57% | 14.61% |
| Age 50 to 54 | 14.08% | 18.57% | 14.61% |
| Age 55 to 59 | 11.10% | 17.38% | 11.84% |
| Age 60 to 64 | 11.10% | 17.38% | 11.84% |
| Age 65 to 74 | 6.21% | 13.54% | 7.05% |
| Age 75 to 84 | 3.85% | 6.92% | 4.24% |
| Age 85 and over | 1.67% | 2.74% | 1.78% |
| RACE | | | |
| White | 29.60% | 68.38% | 72.41% |
| Black | 63.74% | 0.47% | 12.61% |
| Asian | 2.34% | 26.62% | 4.75% |
| American Indian | 0.37% | 0.05% | 0.95% |
| Other | 3.95% | 4.48% | 9.28% |
| Hispanic | 0.00% | 31.36% | 16.35% |
| Non-Hispanic | 100.00% | 68.64% | 83.65% |
| FAMILY | | | |
| Married, w/children | 15.64% | 35.39% | 30.42% |
| Married, no children | 29.34% | 57.57% | 42.46% |
| Single, w/children | 26.03% | 2.99% | 14.39% |
| Single, no children | 28.99% | 4.05% | 12.73% |
| Divorced | 11.39% | 5.15% | 10.62% |
| Separated | 7.74% | 2.82% | 4.97% |
| Widowed | 7.74% | 4.42% | 6.14% |
| Now Married | 23.79% | 66.96% | 46.32% |
| Never Married | 49.34% | 20.65% | 31.95% |
