Solano County's 2026 population is estimated at 455,676, reflecting a 0.07% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Solano County is the 19th largest county in California. The 2010 population was 413,963 and has grown 10.08% since 2010.
Overall: 39.2 years
Female: 40.4 years
Male: 37.9 years
There are 353,088 adults, (78,738 of whom are seniors) in Solano County.
Female: 226,446 (50.1%)
Male: 225,472 (49.9%)
The racial composition of Solano County includes 39.16% White, 16.29% Asian, 13.29% other race, 12.7% Black or African American, and smaller percentages for Native Hawaiian or Pacific Islander, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 176,960 | 39.16% |
| Two or more races | 75,481 | 16.7% |
| Asian | 73,617 | 16.29% |
| Other race | 60,046 | 13.29% |
| Black or African American | 57,384 | 12.7% |
| Native Hawaiian or Pacific Islander | 4,428 | 0.98% |
| Native American | 4,002 | 0.89% |
Solano County 's average per capita income is $59,143. Household income levels show a median of $100,401. The poverty rate stands at 9.99%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $136,079 | $160,771 |
| Families | $116,065 | $141,332 |
| Households | $100,401 | $126,026 |
| Non Families | $61,753 | $79,849 |
Average Income
Median Household Income
Poverty Rate