Union
What’s happening
Be the first to post in Union — introduce yourself, ask a question, or share what’s happening.
Weather
Forecast →Upcoming events
Put the next local happening — a market, a meeting, a concert — on the map.
Local news
Headlines via Google News · Articles belong to their publishers.
The Union album
Outdoors in Union
Parks & trails →Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
1850
Alvarado Courthouse, 1850
Photo · Wikimedia Commons
About Union
City in California, United StatesUnion 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.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
How Union ranks
All →Town numbers
Housing in Union
The typical Union home is worth about $1,199,000, down 2.8% in a year, 57% above the California typical home.
A seller's market
Safety in Union
Safety Grade C-
Union reports more crime per resident than most U.S. towns we grade: about 85% report less.
Schools in Union
All Union schools →School Grade A-
The public schools Union’s kids attend, from kindergarten through graduation, outperform 81% of California’s districts on state tests and graduation. Among towns with similar incomes, they rank near the top.
School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within CA. Ratings are from neighbors.
Famous people from Union
See all 7 →
Where Union is
Explore map →
Location map