Union City is located in California. Union City, California has a population of 72,370. Union City is more family-centric than the surrounding county with 32% households with children. The county percentage for households with children is 30%.
The median household income in Union City, California is $107,647. The median household income for the surrounding county is $96,872 compared to the national median of $61,963. The median age of people living in Union City is 38.9 years.
The average high temperature in July is 78.3 degrees, with an average low temperature in January of 42 degrees. The annual precipitation is 14.85.