Union City
City in Alameda County, California
Union City is a city in Alameda County, California, with 70,143 residents (2020 Census). It sits at 69 ft (21 m) above sea level. The nearest town is Hayward, 5.0 miles W.
- 70,143residents (2020 Census)
- 69 ftelevation · 21 m
- 19.4 sq miland area · 50.2 km²
- 3,616 / sq mipopulation density
- 94544main ZIP code (3 in total)
About Union City
Union City is a city in Alameda County, California, United States in the San Francisco Bay Area. The population in the 2020 census was 70,143, up from 69,628 in the 2010 census.
It is located approximately 19 miles (31 km) south of Oakland, 30 miles (48 km) from San Francisco, and 20 miles (32 km) north of San Jose.
It was incorporated in 1959, combining the communities of Alvarado and Decoto. Alvarado is a California Historical Landmark (#503). The city celebrated its 50th anniversary in 2009.
Text: Wikipedia · CC BY-SA 4.0
Union City weather: 7-day forecast
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Live webcams in Union City
Traffic cameras: Caltrans
Living in Union City
- Median household income
- $133,715
- Median home value
- $1,104,900
- Median rent
- $2,713/mo
- Median age
- 43
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Map of Union City
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Union City Street View
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Open in Google Maps ›Union City, CA population
Union City had 70,143 residents in the 2020 Census.
| 2020 Census | 70,143 |
|---|---|
| Density | 3,616 per sq mi (1,396 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Union City at a glance
| State | California (CA) |
|---|---|
| County | Alameda County |
| Type | City |
| Population | 70,143 (2020) |
| Land area | 19.40 sq mi (50.2 km²) |
| Elevation | 69 ft (21 m) |
| Coordinates | 37.6028° N, 122.0188° W |
| ZIP codes | 94544, 94536, 94587 |
| Official website | unioncity.org |
| Census code (GEOID) | 0681204 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Union City
- Hayward5.0 mi W
- Fairview5.4 mi N
- Newark6.9 mi S
- Cherryland7.0 mi NW
- Sunol7.7 mi E
- Castro Valley7.7 mi N
- San Lorenzo8.2 mi NW
- Ashland8.3 mi NW
- Fremont8.6 mi SE
- Pleasanton8.7 mi NE
- Norris Canyon10.0 mi N
- Dublin10.3 mi NE
Straight-line distance between town centers.
Frequently asked questions about Union City
What county is Union City in?
Union City is in Alameda County, California.
What is the population of Union City, CA?
70,143 people lived in Union City at the 2020 Census.
What is the ZIP code of Union City, CA?
The main ZIP code is 94544. Other ZIP codes: 94536, 94587.
What is the elevation of Union City?
69 feet (21 m) above sea level.
What towns are near Union City?
Hayward (5.0 mi), Fairview (5.4 mi), Newark (6.9 mi), Cherryland (7.0 mi), Sunol (7.7 mi).
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