San Joaquin County, California Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 14th-largest in California
The population of San Joaquin County, California is 787,416 as of the 2023 American Community Survey, making it the 14th-largest county in California. The median household income is $88,531, the median home value is $494,500, and the median age is 35.2.
The population of San Joaquin County has grown 18.8% since 2010 (687,115 → 816,108), a +1.24% annualized rate.
787,416
Population
+1.24%
Annual growth
566
People / sq mi
$88,531
Median Income
$494,500
Median Home Value
San Joaquin County covers 1,392 sq mi of land at 565.6 people per square mile.
About San Joaquin County, CA
San Joaquin County is a county in California with a population of 787,416. It ranks #14 among counties in California by population. The median age is 35.2, younger than the national median. The population is 50.1% male and 49.9% female.
The median household income in San Joaquin County is $88,531, above the US median of $74,580. 9.7% of residents live below the federal poverty level. Home values sit at a median of $494,500, with monthly rent averaging $1,633. The homeownership rate of 61.5% is lower than the national rate of 64.8%.
Educational attainment in San Joaquin County reflects 21.6% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 9.3% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 34.6 minutes each way.
San Joaquin County Population History (2010-2024)
The county of San Joaquin County had a population of 687,115 in 2010 and 816,108 in 2024, a 18.8% growth over 14 years. The peak was 816,108 in 2024. Average annual growth rate: 1.24%.
816,108
Population (2024)
687,115
Population (2010)
816,108
Peak (2024)
1.24%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 687,115 |
| 2011 | 694,265 |
| 2012 | 699,444 |
| 2013 | 701,831 |
| 2014 | 711,296 |
| 2015 | 721,919 |
| 2016 | 732,662 |
| 2017 | 743,286 |
| 2018 | 752,590 |
| 2019 | 761,571 |
| 2020 | 780,676 |
| 2021 | 788,096 |
| 2022 | 795,880 |
| 2023 | 805,909 |
| 2024 | 816,108 |
Race & Ethnicity
| White | 37.1% |
| Black or African American | 7.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 6.1% |
| Two or More Races | 0.1% |
Age & Sex
35.2
Median Age
49.9%
Female
50.1%
Male
13.3%
Age 65+
Age Distribution
Children (under 15): 21.8% · Seniors (65+): 13.3%
Income & Poverty
| Median household income | $88,531$-7,803 vs state |
| Mean household income | $114,559 |
| Per-capita income | $36,192 |
| Poverty rate | 9.7%+1.3% vs state |
| Unemployment rate | 4.5% |
| Employment-to-population | 57.2% |
Top Industries by Employment
The largest employment sector in San Joaquin County is professional & business services, accounting for 20.6% of workers.
How residents commute
1.1%
Drive alone
1.1%
Carpool
74.8%
Public transit
9.3%
Work from home
34.6 min
Avg commute
Housing
$494,500$-200,900 vs state
Median home value
$1,633
Median rent
61.5%
Homeownership rate
256,826
Total housing units
94.0%
Occupied
6.0%
Vacant
38.5%
Renter-occupied
Social & access
93.6%
With health insurance
96.1%
With broadband internet
9.7%
Foreign-born
4.4%
Veterans (18+)
12.5%
With a disability
57.8%
Speak language other than English at home
Education
80.4%
High School+
21.6%
Bachelor's+
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County rankings
Common questions about San Joaquin County, CA
Frequently Asked Questions
San Joaquin County, California has a population of 787,416 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 14th-largest county in California. Population density is 566 people per square mile.
The population of San Joaquin County has grown 18.8% since 2010 (687,115 → 816,108), a +1.24% annualized rate.
The median household income in San Joaquin County, California is $88,531, with mean (average) household income of $114,559 and per-capita income of $36,192. 9.7% of residents live below the federal poverty level.
In San Joaquin County, the largest racial and ethnic groups are White (37.1%), Black or African American (7.0%), Hispanic or Latino (6.1%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in San Joaquin County, California is 35.2 years. Residents are 49.9% female and 50.1% male.
The median home value in San Joaquin County is $494,500 and median monthly rent is $1,633. 61.5% of occupied housing units are owner-occupied. The county has 256,826 total housing units, 6.0% of which are vacant.
The largest employment sector in San Joaquin County, California is professional, scientific, and management services, employing 20.6% of workers. The unemployment rate is 4.5%.
Los Angeles is among the largest cities associated with San Joaquin County, California, with a population of 3,857,897.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.