Santa Clara County, California Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 6th-largest in California
The population of Santa Clara County, California is 1,903,297 as of the 2023 American Community Survey, making it the 6th-largest county in California. The median household income is $159,674, the median home value is $1,382,800, and the median age is 37.9.
The population of Santa Clara County has grown 7.9% since 2010 (1,786,001 → 1,926,325), a +0.54% annualized rate.
1,903,297
Population
+0.54%
Annual growth
1474
People / sq mi
$159,674
Median Income
$1,382,800
Median Home Value
Santa Clara County covers 1,291 sq mi of land at 1474.2 people per square mile.
About Santa Clara County, CA
Santa Clara County is a county in California with a population of 1,903,297. It ranks #6 among counties in California by population. The median age is 37.9, in line with the national median. The population is 51.0% male and 49.0% female.
The median household income in Santa Clara County is $159,674, above the US median of $74,580. 4.2% of residents live below the federal poverty level. Home values sit at a median of $1,382,800, with monthly rent averaging $2,814. The homeownership rate of 55.3% is lower than the national rate of 64.8%.
Educational attainment in Santa Clara County reflects 55.9% of adults 25 and older holding a bachelor's degree or higher, above the national average of 34.3%. Roughly 21.9% of workers primarily work from home, noticeably above the national work-from-home rate of 14.2%. The average commute is 27.0 minutes each way.
Santa Clara County Population History (2010-2024)
The county of Santa Clara County had a population of 1,786,001 in 2010 and 1,926,325 in 2024, a 7.9% growth over 14 years. The peak was 1,932,251 in 2017. Average annual growth rate: 0.55%.
1,926,325
Population (2024)
1,786,001
Population (2010)
1,932,251
Peak (2017)
0.55%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 1,786,001 |
| 2011 | 1,811,891 |
| 2012 | 1,837,605 |
| 2013 | 1,866,050 |
| 2014 | 1,891,286 |
| 2015 | 1,915,736 |
| 2016 | 1,928,144 |
| 2017 | 1,932,251 |
| 2018 | 1,931,985 |
| 2019 | 1,922,411 |
| 2020 | 1,924,802 |
| 2021 | 1,878,320 |
| 2022 | 1,883,653 |
| 2023 | 1,897,137 |
| 2024 | 1,926,325 |
Race & Ethnicity
| White | 33.2% |
| Black or African American | 2.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.9% |
| Two or More Races | 0.0% |
Age & Sex
37.9
Median Age
49.0%
Female
51.0%
Male
14.4%
Age 65+
Age Distribution
Children (under 15): 17.1% · Seniors (65+): 14.4%
Income & Poverty
| Median household income | $159,674+$63,340 vs state |
| Mean household income | $219,664 |
| Per-capita income | $77,018 |
| Poverty rate | 4.2%-4.2% vs state |
| Unemployment rate | 3.0% |
| Employment-to-population | 64.4% |
Top Industries by Employment
The largest employment sector in Santa Clara County is finance & real estate, accounting for 22.7% of workers.
How residents commute
2.7%
Drive alone
2.1%
Carpool
61.7%
Public transit
21.9%
Work from home
27.0 min
Avg commute
Housing
$1,382,800+$687,400 vs state
Median home value
$2,814
Median rent
55.3%
Homeownership rate
694,209
Total housing units
94.3%
Occupied
5.7%
Vacant
44.7%
Renter-occupied
Social & access
96.0%
With health insurance
97.8%
With broadband internet
12.9%
Foreign-born
2.7%
Veterans (18+)
8.8%
With a disability
45.3%
Speak language other than English at home
Education
89.3%
High School+
55.9%
Bachelor's+
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Common questions about Santa Clara County, CA
Frequently Asked Questions
Santa Clara County, California has a population of 1,903,297 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 6th-largest county in California. Population density is 1474 people per square mile.
The population of Santa Clara County has grown 7.9% since 2010 (1,786,001 → 1,926,325), a +0.54% annualized rate.
The median household income in Santa Clara County, California is $159,674, with mean (average) household income of $219,664 and per-capita income of $77,018. 4.2% of residents live below the federal poverty level.
In Santa Clara County, the largest racial and ethnic groups are White (33.2%), Black or African American (2.4%), Hispanic or Latino (1.9%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Santa Clara County, California is 37.9 years. Residents are 49.0% female and 51.0% male.
The median home value in Santa Clara County is $1,382,800 and median monthly rent is $2,814. 55.3% of occupied housing units are owner-occupied. The county has 694,209 total housing units, 5.7% of which are vacant.
The largest employment sector in Santa Clara County, California is finance, insurance, and real estate, employing 22.7% of workers. The unemployment rate is 3.0%.
Los Angeles is among the largest cities associated with Santa Clara 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.