Stanislaus County, California Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 16th-largest in California
The population of Stanislaus County, California is 552,250 as of the 2023 American Community Survey, making it the 16th-largest county in California. The median household income is $79,661, the median home value is $426,600, and the median age is 34.8.
The population of Stanislaus County has grown 8.1% since 2010 (515,137 → 556,972), a +0.56% annualized rate.
552,250
Population
+0.56%
Annual growth
369
People / sq mi
$79,661
Median Income
$426,600
Median Home Value
Stanislaus County covers 1,496 sq mi of land at 369.1 people per square mile.
About Stanislaus County, CA
Stanislaus County is distinguished by its share of foreign-born residents, 9.7% of the population. Stanislaus County is a county in California with a population of 552,250. It ranks #16 among counties in California by population.
The typical household earns $79,661 a year, near the US median of $78,538. The poverty rate is 10.5%, below the national 12.4%. Home prices are steep, with the typical property valued at $426,600, with typical rent around $1,528.
19.1% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. About 6.9% of the workforce is home-based, below the national 14.0%, and the average commute runs about 31 minutes each way.
Stanislaus County Population History (2010-2024)
The county of Stanislaus County had a population of 515,137 in 2010 and 556,972 in 2024, a 8.1% growth over 14 years. The peak was 556,972 in 2024. Average annual growth rate: 0.56%.
556,972
Population (2024)
515,137
Population (2010)
556,972
Peak (2024)
0.56%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 515,137 |
| 2011 | 517,515 |
| 2012 | 520,336 |
| 2013 | 523,313 |
| 2014 | 527,814 |
| 2015 | 532,954 |
| 2016 | 538,986 |
| 2017 | 544,494 |
| 2018 | 547,855 |
| 2019 | 549,761 |
| 2020 | 553,710 |
| 2021 | 552,939 |
| 2022 | 552,410 |
| 2023 | 553,921 |
| 2024 | 556,972 |
Race & Ethnicity
| White | 50.1% |
| Black or African American | 2.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.3% |
| Two or More Races | 0.1% |
Age & Sex
34.8
Median Age
50.2%
Female
49.8%
Male
13.5%
Age 65+
Age Distribution
Children (under 15): 22.1% · Seniors (65+): 13.5%
Income & Poverty
| Median household income | $79,661$-16,673 vs state |
| Mean household income | $102,442 |
| Per-capita income | $33,653 |
| Poverty rate | 10.5%+2.1% vs state |
| Unemployment rate | 4.8% |
| Employment-to-population | 57.0% |
Top Industries by Employment
The largest employment sector in Stanislaus County is professional & business services, accounting for 21.9% of workers.
How residents commute
0.7%
Drive alone
1.4%
Carpool
78.6%
Public transit
6.9%
Work from home
30.9 min
Avg commute
Housing
$426,600$-268,800 vs state
Median home value
$1,528
Median rent
61.0%
Homeownership rate
184,240
Total housing units
95.8%
Occupied
4.2%
Vacant
39.0%
Renter-occupied
Social & access
94.0%
With health insurance
95.1%
With broadband internet
9.7%
Foreign-born
4.4%
Veterans (18+)
12.5%
With a disability
56.9%
Speak language other than English at home
Education
80.1%
High School+
19.1%
Bachelor's+
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Other counties in California
Part of California
Metro areas in California
County rankings
Common questions about Stanislaus County, CA
Frequently Asked Questions
Stanislaus County, California has a population of 552,250 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 16th-largest county in California. Population density is 369 people per square mile.
The population of Stanislaus County has grown 8.1% since 2010 (515,137 → 556,972), a +0.56% annualized rate.
The median household income in Stanislaus County, California is $79,661, with mean (average) household income of $102,442 and per-capita income of $33,653. 10.5% of residents live below the federal poverty level.
In Stanislaus County, the largest racial and ethnic groups are White (50.1%), Hispanic or Latino (3.3%), Black or African American (2.8%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Stanislaus County, California is 34.8 years. Residents are 50.2% female and 49.8% male.
The median home value in Stanislaus County is $426,600 and median monthly rent is $1,528. 61.0% of occupied housing units are owner-occupied. The county has 184,240 total housing units, 4.2% of which are vacant.
The largest employment sector in Stanislaus County, California is professional, scientific, and management services, employing 21.9% of workers. The unemployment rate is 4.8%.
Los Angeles is among the largest cities associated with Stanislaus 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.