Total Population in Sonoma County, CA
ACS 2024 5-Year Estimates
How Sonoma County Compares
National Distribution
Where Sonoma County falls among all 3,222 U.S. counties for total population.
■ Sonoma County: 485,040
Ranking Context
| Rank | County | Value |
|---|---|---|
| #147 | Richmond County, NY | 494,956 |
| #148 | Knox County, TN | 494,148 |
| #149 | Prince William County, VA | 488,880 |
| #150 | Sonoma County, CA | 485,040 |
| #151 | Seminole County, FL | 481,470 |
| #152 | Tulare County, CA | 478,693 |
| #153 | Onondaga County, NY | 471,129 |
Total Population in Sonoma County, California
Sonoma County, California has a total population of 485,040, which ranks #150 of 3,222 out of 3,222 counties nationwide. This is 99.9% below the national value of 330M.
Within California, Sonoma County ranks #17 of 58 out of 58 counties. This places it in the 95th percentile nationally.
Total population count from the American Community Survey. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.
About this data
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.