Union City, California Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Union City, California is 68,141 as of the 2023 American Community Survey, making it the 134th-largest city in California. The median household income is $137,194, the median home value is $1,058,200, and the median age is 42.1.
The population has declined 4.9% since 2010 (69,630 → 66,196).
68,141
Population
3513
People / sq mi
$137,194
Median Income
$1,058,200
Median Home Value
Union City covers 19.4 sq mi of land at 3513 people per square mile.
About Union City, CA
Union City is a city in California with a population of 68,141. It ranks #134 among cities in California by population. The median age is 42.1, older than the national median. The population is 50.4% male and 49.6% female.
The median household income in Union City is $137,194, above the US median of $74,580. 4.5% of residents live below the federal poverty level. Home values sit at a median of $1,058,200, with monthly rent averaging $2,713. The homeownership rate of 67.0% is close to the national rate of 64.8%.
Educational attainment in Union City reflects 45.3% of adults 25 and older holding a bachelor's degree or higher, above the national average of 34.3%. Roughly 17.7% of workers primarily work from home, noticeably above the national work-from-home rate of 14.2%. The average commute is 32.9 minutes each way.
Union City city Population History (2010-2024)
The city of Union City city had a population of 69,630 in 2010 and 66,196 in 2024, a -4.9% growth over 14 years. The peak was 75,465 in 2016. Average annual growth rate: -0.34%.
66,196
Population (2024)
69,630
Population (2010)
75,465
Peak (2016)
-0.34%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 69,630 |
| 2011 | 70,597 |
| 2012 | 71,642 |
| 2013 | 72,552 |
| 2014 | 73,481 |
| 2015 | 74,343 |
| 2016 | 75,465 |
| 2017 | 75,227 |
| 2018 | 74,560 |
| 2019 | 74,107 |
| 2020 | 69,933 |
| 2021 | 68,118 |
| 2022 | 66,753 |
| 2023 | 66,212 |
| 2024 | 66,196 |
Race & Ethnicity
| White | 17.9% |
| Black or African American | 5.3% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.7% |
| Two or More Races | 0.0% |
Economy & Income
$137,194
Median Household Income
$56,020
Per Capita Income
4.5%
Poverty Rate
3.3%
Unemployment Rate
Housing
$1,058,200
Median Home Value
$2,713
Median Rent
67.0%
Owner-Occupied
Education
87.4%
High School+
45.3%
Bachelor's+
Commute
5.1%
Drive Alone
61.5%
Public Transit
17.7%
Work From Home
32.9 min
Avg Commute
Community Profile
7.9%
Foreign Born
38.8%
Non-English at Home
3.5%
Veterans
10.4%
With Disability
97.4%
Health Insurance
98.0%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 21.4% |
| Finance, Insurance & Real Estate | 19.3% |
| Manufacturing | 15.6% |
| Retail Trade | 7.7% |
| Education, Health Care & Social Services | 5.7% |
| Information | 4.3% |
| Transportation & Warehousing | 4.1% |
| Construction | 3.7% |
| Public Administration | 3.6% |
| Arts, Entertainment & Food Services | 3.5% |
| Agriculture & Mining | 0.1% |
Largest cities in California
Largest counties in California
Part of California
Metro areas in California
City rankings
Frequently Asked Questions
Union City, California has a population of 68,141 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 134th-largest city in California.
The median household income in Union City, California is $137,194, with 4.5% of residents living below the federal poverty level.
The median home value in Union City, California is $1,058,200, with median monthly rent at $2,713 and a homeownership rate of 67.0%.
The median age in Union City, California is 42.1 years. The population is 50.4% male and 49.6% female.
The population has declined 4.9% since 2010 (69,630 → 66,196).
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.