San Joaquin County, California

San Joaquin County, California, had an estimated population of 823,815 in 2025 across 3,606 km². The figures below come from the US Census Bureau's population estimates and the American Community Survey, each shown with its own vintage and its rank among California's counties and nationally.

Population: 823,815; 2025 estimate
Area: 3,606 km²
Density: 228; per km²
Median income: $92,179; household, ACS 2024
Median age: 35.4; years, ACS 2024

How California's counties spread

Amenities & Infrastructure

Indicator	Value	In California	In the US
Households with Broadband2024	92.5%	23 / 58	353 / 3,144
Median Gross Rent2024	$1,734	24 / 56	124 / 3,137
Median Home Value2024	$530,700	27 / 58	115 / 3,139
Owner-Occupied Homes2024	62.0%	34 / 58	2,830 / 3,144
Vacant Homes2024	5.7%	48 / 58	2,876 / 3,144

Demography

Indicator	Value	In California	In the US
Aged 65 and Over2024	13.5%	50 / 58	2,953 / 3,144
American Indian & Alaska Native2024	0.3%	30 / 58	922 / 3,144
Asian, non-Hispanic2024	18.2%	7 / 58	25 / 3,144
Average Household Size2024people	3.2	8 / 58	51 / 3,144
Black, non-Hispanic2024	6.6%	7 / 58	956 / 3,144
Foreign-Born2024	25.2%	12 / 58	59 / 3,144
Hispanic or Latino2024	42.5%	18 / 58	144 / 3,144
Median Age2024years	35.4	46 / 58	2,851 / 3,144
Sex Ratio2024per 1,000 males	998	32 / 58	1,607 / 3,144
Speak a Language Other Than English2024	43.0%	17 / 58	97 / 3,144
Under 182024	26.2%	12 / 58	241 / 3,144
Veterans2024	4.3%	41 / 58	2,918 / 3,144
White, non-Hispanic2024	26.8%	52 / 58	3,045 / 3,144

Economy

Indicator	Value	In California	In the US
Below Poverty Line2024	12.4%	32 / 58	1,758 / 3,144
Households on SNAP2024	15.6%	16 / 58	848 / 3,144
Income Inequality2024index	0.438	48 / 58	1,882 / 3,144
Median Household Income2024	$92,179	23 / 58	264 / 3,143
Per Capita Income2024	$37,266	37 / 58	1,219 / 3,144
Unemployment Rate2024	7.6%	20 / 58	270 / 3,144

Education

Indicator	Value	In California	In the US
Bachelor's Degree or Higher2024	22.7%	40 / 58	1,487 / 3,144
High School or Higher2024	80.9%	44 / 58	2,913 / 3,144

Health Coverage

Indicator	Value	In California	In the US
No Health Insurance2024	6.3%	30 / 58	2,042 / 3,144
With a Disability2024	12.6%	31 / 58	2,523 / 3,144

Population & Density

Indicator	Value	In California	In the US
Population2025	823,815	14 / 58	80 / 3,144
Population Density2025/km²	228	10 / 58	245 / 3,144

Work & Commute

Indicator	Value	In California	In the US
Commute by Public Transit2024	0.9%	20 / 58	453 / 3,144
Households with No Vehicle2024	5.1%	35 / 58	1,723 / 3,144
Mean Commute Time2024minutes	34.1	4 / 58	156 / 3,143
Work from Home2024	10.6%	41 / 58	1,038 / 3,144

Other counties of California

Compare San Joaquin County against every other county on a map, add layers and run a scatter — open the atlas. Sources and vintages for every figure on this page are listed under datasets, or browse all 3,144 counties.