Sonoma County's estimated 2026 population is 487,525 with a growth rate of 0.22% in the past year according to the most recent United States census data. Sonoma County is the 17th largest county in California. The 2010 population was 484,675 and has seen a growth of 0.59% since that time.
Data after 2023 is projected based on recent change
Overall: 42.9 years
Female: 44.4 years
Male: 41.8 years
There are 392,643 adults, (104,389 of whom are seniors) in Sonoma County.
Female: 246,397 (50.8%)
Male: 238,643 (49.2%)
The racial composition of Sonoma County includes 61.82% White, 14.85% other race, 4.51% Asian, and smaller percentages for Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 299,837 | 61.82% |
| Two or more races | 75,520 | 15.57% |
| Other race | 72,017 | 14.85% |
| Asian | 21,865 | 4.51% |
| Black or African American | 7,630 | 1.57% |
| Native American | 6,555 | 1.35% |
| Native Hawaiian or Pacific Islander | 1,616 | 0.33% |
Sonoma County's average per capita income is $59,929. Household income levels show a median of $104,674. The poverty rate stands at 8.89%.
Name | Median | Mean |
|---|---|---|
| Married Families | $148,164 | $184,538 |
| Families | $126,900 | $163,665 |
| Households | $104,674 | $142,354 |
| Non Families | $66,590 | $98,376 |
Average Income
Median Household Income
Poverty Rate