| | Tomales, CA | Wales, ME | United States |
| Population | 193 | 1,743 | 329,725,481 |
| Female Population | 43.0% | 48.8% | 50.5% |
| Male Population | 57.0% | 51.2% | 49.5% |
| Median Age | 65.9 | 38.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 255 | 1,602 | 309,327,143 |
| Population - 2000 | 210 | 1,322 | 285,036,114 |
| Population - 1990 | 202 | 1,223 | 251,960,433 |
| Pop. 2000 to Now | 21.9% | 24.1% | 15.6% |
| Pop. 1990 to Now | 26.7% | 34.1% | 30.8% |
| space4 | | | |
| Population Density | 581.3 | 109.3 | 93.4 |
| Land Area | 0.3 | 16.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.9 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Tomales, CA | Wales, ME | United States |
| Age 0 to 4 | 0.0% | 6.7% | 5.9% |
| Age 5 to 9 | 0.0% | 7.7% | 6.1% |
| Age 10 to 14 | 0.0% | 7.3% | 6.6% |
| Age 15 to 17 | 0.0% | 4.3% | 3.9% |
| Age 18 to 20 | 22.8% | 4.6% | 4.0% |
| Age 21 to 24 | 0.0% | 1.3% | 5.2% |
| Age 25 to 34 | 0.0% | 14.0% | 13.8% |
| Age 35 to 44 | 0.0% | 14.9% | 12.9% |
| Age 45 to 54 | 6.2% | 10.7% | 12.6% |
| Age 55 to 59 | 0.0% | 9.8% | 6.7% |
| Age 60 to 64 | 0.0% | 6.9% | 6.3% |
| Age 65 to 74 | 65.8% | 7.1% | 9.6% |
| Age 75 to 84 | 5.2% | 3.3% | 4.5% |
| Age 85 and over | 0.0% | 1.4% | 1.9% |
| space1 | | | |
| Race | | | |
| | Tomales, CA | Wales, ME | United States |
| White | 100.0% | 95.8% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.0% | 0.5% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.0% | 2.6% | 3.2% |
| Hispanic | 0.0% | 1.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Tomales, CA | Wales, ME | United States |
| Married Population | 56.0% | 55.2% | 49.8% |
| Currently Married | 56.0% | 54.9% | 48.0% |
| Married but Separated | 0.0% | 0.2% | 1.8% |
| Single Population | 44.0% | 44.8% | 50.2% |
| Never Married | 33.7% | 23.1% | 33.8% |
| Divorced | 10.4% | 15.2% | 10.8% |
| Widowed | 0.0% | 6.6% | 5.6% |
| space5 | | | |
| Household Size | 2.38 | 2.80 | 2.60 |
| Households | 81 | 622 | 124,010,992 |
| Family Households | 52 | 467 | 80,755,759 |
| Married couple, w/children | 0.0% | 33.6% | 30.5% |
| Married couple, no children | 100.0% | 46.3% | 42.9% |
| Non Family Households | 29 | 155 | 43,255,233 |
| Single householder, w/children | 0.0% | 8.6% | 15.8% |
| Single householder, no children | 0.0% | 11.6% | 10.8% |