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Union City, CA
City in Alameda County, California. ZIP codes: 94552, 94587.
Population
67,464
Land area
19.4sq mi
People per sq mi
3,478
ZIP codes
2
Union City and its ZIP codes
Union City at a glance
- Union City is about 14 times as dense as California as a whole.
- It is the 136th most populous of 1,570 cities and towns in California.
- Households here earn a median of $133,715 a year, 35% more than the California figure of $99,122.
- A typical owner-occupied home is valued at $1,104,900 (50% above California) and median rent is $2,713 a month.
Local data for Union City, CA
Counts from official public data
Housing and community stats
Union City, CA, American Community Survey 2020-2024
Median household income
$133,715
Poverty rate
7.2%
Median home value
$1,104,900
Median rent
$2,713/mo
Homeownership
64.7%
Bachelor's or higher
45.1%
Median age
43.0
Average commute
31.9 min
Largest reported origins and ancestries: Filipino Americans (12,006), Mexican Americans (11,193), Indian Americans (10,396).
Economy and federal money
Jobs, pay, income and spending are for Alameda County. PPP loans are for Union City.
Unemployment rate
4.9%
Aug 2026, -0.2 pts in a year
Average annual pay
$101,979
783,094 jobs, 2025
Income per person
$111,268
BEA, 2024
Federal spending
$42.4B
FY 2026, $25,202 per person
PPP loans
$135M
1,632 loans, 13,905 jobs reported
How people get to work
Union City, CA, workers 16 and older. American Community Survey 5-year estimates
- Drove alone60.0%
- Carpooled14.7%
- Public transit3.8%
- Walked0.8%
- Bicycle0.2%
- Taxi, ride-hailing, motorcycle or other2.0%
- Worked from home18.6%
Average one-way commute: 31.9 minutes for people who do not work from home.
Environment and hazard risk
Union City, CA, from FEMA, NOAA and EPA
Natural hazard risk
Very High
Top: earthquake
Storm events since 1996
603
Countywide, mostly strong wind
Flood insurance policies
3,420
0.8% of homes, county
July high / Jan low
78° / 43°F
15.9 inches of rain a year
Health statistics
Share of adults in Union City, CA, CDC PLACES estimates
Obesity
19.0%
U.S. 33.3% -14.3 pts
Diabetes
11.8%
U.S. 12.1% about the same
Smoking
8.6%
U.S. 12.8% -4.2 pts
Uninsured (18-64)
7.3%
U.S. 11.1% -3.8 pts
ZIP codes in Union City
2 in or overlapping Union City. Population shown
Cities near Union City
| Name | Distance | Land area (sq mi) |
|---|---|---|
| HaywardCity | 3.4 mi | 45.8 |
| FairviewCensus-designated place | 5.3 mi | 3 |
| NewarkCity | 5.4 mi | 13.9 |
| CherrylandCensus-designated place | 6.5 mi | 1.2 |
| FremontCity | 7.1 mi | 78.1 |
| San LorenzoCensus-designated place | 7.2 mi | 3 |
| AshlandCensus-designated place | 7.9 mi | 1.8 |
| SunolCensus-designated place | 8.1 mi | 28.3 |
| Castro ValleyCensus-designated place | 8.1 mi | 16.8 |
| San LeandroCity | 10 mi | 13.3 |
| PleasantonCity | 10 mi | 24.1 |
| East Palo AltoCity | 10 mi | 2.5 |
| Norris CanyonCensus-designated place | 11 mi | 3.6 |
| Redwood CityCity | 11 mi | 19.3 |
| Menlo ParkCity | 11 mi | 10 |
| DublinCity | 12 mi | 15.2 |
Frequently asked questions
- What county is Union City, CA in?
- Union City is in Alameda County, California.
- What ZIP codes are in Union City, CA?
- ZIP codes in or overlapping Union City include 94552, 94587.
- What is the population of Union City, CA?
- About 67,464 people live in Union City, based on American Community Survey 5-year estimates.
- What cities are near Union City?
- Nearby places include Hayward (3.4 mi), Fairview (5.3 mi), Newark (5.4 mi), Cherryland (6.5 mi), Fremont (7.1 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023