Union Star is located in Dekalb County, MO. The population is 421, making Union Star the 3rd largest city in Dekalb County.
There are 2 public schools in Union Star with an average Homefacts rating of B-. The total crime rate for Union Star is low , and there are 2 registered sex offenders residing in the city. Unemployment in Union Star is moderate and the median home sales price is $0. Detailed and up-to-date Union Star property reports are available for any property address.
Cities near Union Star include Polk Township, Empire Township and King City.