Union City is located in Alameda County, CA. The population is 71,749, making Union City the 9th largest city in Alameda County.
There are 10 public schools in Union City with an average Homefacts rating of B-. The total crime rate for Union City is moderate , and there are 52 registered sex offenders residing in the city. Unemployment in Union City is moderate and the median home sales price is $0. Detailed and up-to-date Union City property reports are available for any property address.
Cities near Union City include Hayward, Fairview and Newark.