Stanislaus County, CA Demographics

Population 553,990 · Census ACS 2020–24

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Median age by neighborhoodHistory and comparison ↓︎
Stanislaus County, CA map of median age by neighborhood
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Population and households in Stanislaus County

Household size in Stanislaus County

Household size, people per household
PeriodStanislaus CountyCaliforniaU.S.
2006–103.163.042.68
2010–143.153.102.73
2015–193.183.092.71
2020–243.203.012.65
Change+0.04−0.03−0.03
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Stanislaus County is a place of big households: 3.20 people per home on average, compared with 2.65 nationally. Numbers like that usually point to plenty of families with kids. Household size has crept up from 3.16 in 2006–10, even as the national average fell.

Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).

Median age in Stanislaus County

Median age, years
PeriodStanislaus CountyCaliforniaU.S.
2006–1033.535.837.7
2010–1434.736.838.6
2015–1935.337.939.6
2020–2435.539.040.1
Change+2.0+3.1+2.3
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With a median age of just 35.5, Stanislaus County is far younger than the country as a whole (40.1), a population that tilts toward young families with children. Since 2006–10, the median age has climbed from 33.5, as it has nationally. The youngest areas are in the west, the oldest in the northeast.

Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).

Single-parent households in Stanislaus County

Single-parent households, % of households
PeriodStanislaus CountyCaliforniaU.S.
2006–1015.1%13.5%12.3%
2010–1415.9%13.5%12.3%
2015–1914.8%12.3%11.6%
2020–2414.8%12.3%11.6%
Change−0.3 pts−1.2 pts−0.6 pts
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Single parents head about one in seven households in Stanislaus County (14.8%), well above the national share of 11.6%. Stanislaus County has a higher share of single-parent households than most California counties.

Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).

Housing in Stanislaus County

Renters in Stanislaus County

Renters, % of occupied homes
PeriodStanislaus CountyCaliforniaU.S.
2006–1037.9%42.6%33.3%
2010–1442.8%45.2%35.6%
2015–1942.2%45.2%36.0%
2020–2438.8%44.1%34.8%
Change+1.0 pts+1.5 pts+1.5 pts
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About four in ten households in Stanislaus County rent their homes (38.8%), a bit above the national share of 34.8%. Still, renters make up a smaller share here than in California overall (44.1%). Just over a third of owners (34.8%) have paid off their mortgages, below the national share of 39.8%. The renter share has edged up 1.0 points since 2006–10, in line with the national trend.

Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).

Vacant homes in Stanislaus County

Vacant homes, % of all homes
PeriodStanislaus CountyCaliforniaU.S.
2006–109.0%8.7%11.4%
2010–147.3%8.1%11.4%
2015–195.4%7.5%11.1%
2020–245.3%7.3%9.6%
Change−3.8 pts−1.4 pts−1.8 pts
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Empty homes are scarce in Stanislaus County: just 5.3% sit vacant, compared with 9.6% nationally, a sign of a tight housing market. Since 2006–10, vacancy has fallen 3.8 points, mirroring the country. Only two of California's 58 counties have a lower vacancy rate.

Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).

Age of homes in Stanislaus County

Age of homes, median year built
PeriodStanislaus CountyCaliforniaU.S.
2006–10197919721974
2010–14198019731975
2015–19198019741977
2020–24198119761980
Change+2+4+6
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Homes in Stanislaus County are about the same age as the nation's housing: the median home was built in 1981, versus 1980 nationally. Homes here are newer than in California as a whole, where the median home dates to 1976.

Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).

Rent in Stanislaus County

Rent, per month
PeriodStanislaus CountyCaliforniaU.S.
2006–10$1,066$1,298$965
2010–14$1,092$1,379$1,040
2015–19$1,267$1,721$1,213
2020–24$1,709$2,229$1,571
Change+$642+$931+$606
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A typical rental in Stanislaus County costs $1,709 a month with utilities, above the national median of $1,571. Still, rents here are lower than in California as a whole ($2,229). Rent has climbed $642 a month since 2006–10, up 60%, roughly in step with the nation. Rent takes 34.0% of the typical renter's income, well over the 30% mark often used to define affordable rent, so many renters here are stretched.

Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).

Education in Stanislaus County

Bachelor's degrees in Stanislaus County

Bachelor's degrees, % of adults 25+
PeriodStanislaus CountyCaliforniaU.S.
2006–1015.9%29.1%28.4%
2010–1416.1%30.1%29.6%
2015–1916.6%32.9%32.1%
2020–2419.1%36.3%35.6%
Change+3.2 pts+7.1 pts+7.2 pts
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Fewer adults in Stanislaus County have a four-year degree than in the country as a whole: 19.1%, against 35.6% nationally. The share with a degree is up 3.2 points from 2006–10, in line with the national trend. Stanislaus County has a lower share of college graduates than at least four in five California counties.

Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

High school graduates in Stanislaus County

High school graduates, % of adults 25+
PeriodStanislaus CountyCaliforniaU.S.
2006–1074.7%79.9%84.9%
2010–1476.5%80.7%86.1%
2015–1978.2%82.6%87.7%
2020–2479.4%84.2%89.3%
Change+4.7 pts+4.3 pts+4.3 pts
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Just over one in five adults in Stanislaus County never finished high school, well above the national share: only 79.4% have a diploma or equivalent, against 89.3% nationally. Since 2006–10, the share with a diploma has risen 4.7 points, as it has nationally. Stanislaus County has a lower share of high school graduates than the great majority of California counties.

High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

Jobs in Stanislaus County

Unemployment, % of the labor force
PeriodStanislaus CountyCaliforniaU.S.
2006–1012.8%9.2%8.1%
2010–1416.6%11.3%9.4%
2015–199.2%6.3%5.6%
2020–248.0%6.6%5.4%
Change−4.8 pts−2.6 pts−2.7 pts
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Finding work has been harder in Stanislaus County: 8.0% of the labor force was out of work and looking, well above the national rate of 5.4%. Since 2006–10, unemployment has fallen 4.8 points, mirroring the country. Each figure pools five years of surveys (2020–24), so it describes that whole stretch rather than today's job market.

Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).

Stanislaus County compared with nearby counties

CountyHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Stanislaus County3.2035.514.8%38.8%5.3%1981$1,70919.1%79.4%8.0%
Mariposa County2.0153.67.8%25.3%21.8%1986$1,53630.4%90.5%6.4%
Alameda County2.8140.09.2%45.6%7.0%1969$2,58252.0%88.4%5.4%
San Mateo County2.8841.78.1%41.5%8.7%1967$2,96953.6%90.1%4.7%
San Francisco County2.3341.46.6%61.8%11.6%1955$2,58459.8%88.8%6.4%
Mono County2.3344.713.9%34.6%44.6%1980$1,48435.2%91.4%4.0%
Esmeralda County2.0355.011.4%39.2%27.1%1986$1,32021.1%83.2%0.6%
Lincoln County2.4342.410.9%25.0%29.3%1978$85321.2%94.7%1.7%
Iron County3.0632.49.3%31.7%10.5%1996$1,39331.3%92.9%3.8%
Garfield County2.4640.05.0%29.7%30.3%1979$1,05028.4%95.4%4.0%
San Juan County3.1135.214.3%19.1%19.2%1987$90420.9%87.7%11.6%

All figures 2020–24.

Counties with similar populations: Monmouth County, NJ · Bucks County, PA · Delaware County, PA · Sonoma County, CA · Summit County, OH · Johnson County, KS · Ocean County, NJ · Douglas County, NE · Dane County, WI · Clark County, WA

About these numbers

Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up Stanislaus County. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.

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