San Joaquin County's 2026 population is estimated at 830,481, reflecting a 0.81% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). San Joaquin County is the 13th largest county in California. The 2010 population was 687,115 and has grown 20.86% since 2010.
Overall: 35.4 years
Female: 36.2 years
Male: 34.6 years
There are 588,510 adults, (107,730 of whom are seniors) in San Joaquin County.
Female: 398,230 (49.9%)
Male: 399,104 (50.1%)
The racial composition of San Joaquin County includes 31.92% White, 19.51% other race, 18.6% Asian, 6.89% Black or African American, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 254,518 | 31.92% |
| Two or more races | 167,450 | 21% |
| Other race | 155,528 | 19.51% |
| Asian | 148,289 | 18.6% |
| Black or African American | 54,932 | 6.89% |
| Native American | 11,882 | 1.49% |
| Native Hawaiian or Pacific Islander | 4,735 | 0.59% |
San Joaquin County 's average per capita income is $52,068. Household income levels show a median of $92,179. The poverty rate stands at 12.41%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $124,471 | $148,534 |
| Families | $103,297 | $128,210 |
| Households | $92,179 | $117,604 |
| Non Families | $52,468 | $72,403 |
Average Income
Median Household Income
Poverty Rate