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Union

California · CA
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About Union

City in California, United States
70,143Population
19.4 sq miArea
69 ftElevation

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.

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From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

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Union

California · CA
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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/18 · 2025-01-01