Union City is a city in Alameda County, California, United States. It was incorporated in 1959, combining the communities of Alvarado and Decoto. Alvarado was the original county seat of Alameda County, and the site of the first county courthouse is a California Historical Landmark (#503). The city celebrated its 50th Anniversary in 2009.
GreatSchools Performance Ratings provide an overview of a school's test performance. Based on a scale of 1-10.
GreatSchools Review Ratings are the overall ratings that are provided by either a Parent/Guardian, Teacher, Staff, Administrator, Student or Former Student. Based on a scale of 1-5.
Population, household and median age statistics are based primarily on the 2010 US Census data projected forward to the present day.