US Census Data

Sonoma County vs Stanislaus County

A side-by-side comparison of Sonoma County and Stanislaus County: population, income, housing, and more.

Sonoma County and Stanislaus County are counties in California. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Stanislaus County has the higher population (552,250 vs 485,642 in Sonoma County). Sonoma County has the higher median household income ($102,840 vs $79,661 in Stanislaus County). Sonoma County has the higher median home value ($779,000 vs $426,600 in Stanislaus County).

Population, income & housing

Sonoma CountyStanislaus County
Population485,642552,250
Median age42.7 yrs34.8 yrs
Median household income$102,840$79,661
Median home value$779,000$426,600
Median gross rent$2,093$1,528
Housing units206,319184,240
Homeownership rate62.2%61.0%
Bachelor's degree or higher37.8%19.1%
Unemployment rate5.2%7.8%

Trends (ACS 5-year, 2019–2023)

Sonoma CountyStanislaus County
Population499,772 → 485,642 (-2.8%)543,194 → 552,250 (+1.7%)
Median household income$81,018 → $102,840 (+26.9%)$60,704 → $79,661 (+31.2%)
Median home value$609,600 → $779,000 (+27.8%)$291,600 → $426,600 (+46.3%)
Median gross rent$1,621 → $2,093 (+29.1%)$1,155 → $1,528 (+32.3%)

Sonoma County

Population
499,772485,642
Median household income
$81,018$102,840
Median home value
$609,600$779,000
Median gross rent
$1,621$2,093

Stanislaus County

Population
543,194552,250
Median household income
$60,704$79,661
Median home value
$291,600$426,600
Median gross rent
$1,155$1,528

Age & race/ethnicity

Age distribution (share)

Sonoma CountyStanislaus County
Under 54.7%6.8%
5 to 1714.6%20.1%
18 to 247.8%9.3%
25 to 3412.4%14.2%
35 to 4413.2%13.3%
45 to 5412.4%11.6%
55 to 6413.9%11.2%
65 to 7412.8%8.1%
75 and over8.2%5.4%

Race & ethnicity (share)

Sonoma CountyStanislaus County
White (non-Hispanic)59.1%37.5%
Black or African American1.5%2.7%
American Indian & Alaska Native0.3%0.3%
Asian4.3%5.7%
Native Hawaiian & Pacific Islander0.3%0.5%
Some other race0.5%0.3%
Two or more races4.6%3.7%
Hispanic or Latino29.4%49.2%

Educational attainment (age 25+)

Share of adults 25+

Sonoma CountyStanislaus County
No high school diploma11.1%19.9%
High school graduate18.6%29.3%
Some college or associate's32.4%31.6%
Bachelor's degree23.5%13.1%
Graduate or professional degree14.3%6.0%

Commute to work

How workers get to work (share)

Sonoma CountyStanislaus County
Drove alone71.0%78.6%
Carpooled9.2%11.0%
Public transit1.0%0.7%
Walked2.4%1.4%
Bicycle0.7%0.4%
Worked from home14.4%6.9%
Other means1.4%1.0%

Housing

Units in structure (share)

Sonoma CountyStanislaus County
1-unit, detached67.0%75.7%
1-unit, attached7.7%4.4%
2 to 4 units6.7%5.6%
5 to 19 units6.8%4.2%
20 or more units7.1%5.6%
Mobile home & other4.7%4.4%

Poverty & households

Sonoma CountyStanislaus County
Poverty rate8.6%13.1%
Average household size2.503.10
Mean commute (minutes)2531
Median year structure built19791981

Full profiles

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