San Diego County's estimated 2026 population is 3,276,954 with a growth rate of -0.16% in the past year according to the most recent United States census data. San Diego County is the 2nd largest county in California. The 2010 population was 3,103,260 and has seen a growth of 5.6% since that time.
Data after 2023 is projected based on recent change
Overall: 37.3 years
Female: 38.4 years
Male: 36.2 years
There are 2,601,457 adults, (507,734 of whom are seniors) in San Diego County.
Female: 1,626,536 (49.5%)
Male: 1,662,238 (50.5%)
The racial composition of San Diego County includes 48.43% White, 12.37% Asian, 11.8% other race, 4.65% Black or African American, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,592,607 | 48.43% |
| Two or more races | 699,565 | 21.27% |
| Asian | 406,933 | 12.37% |
| Other race | 388,026 | 11.8% |
| Black or African American | 152,969 | 4.65% |
| Native American | 35,126 | 1.07% |
| Native Hawaiian or Pacific Islander | 13,548 | 0.41% |
San Diego County's average per capita income is $60,895. Household income levels show a median of $106,268. The poverty rate stands at 10.28%.
Name | Median | Mean |
|---|---|---|
| Married Families | $143,259 | $180,871 |
| Families | $122,377 | $159,814 |
| Households | $106,268 | $141,250 |
| Non Families | $72,065 | $96,765 |
Average Income
Median Household Income
Poverty Rate