Union is located in Rock County, WI. The population is NR.
There are 0 public schools in Union with an average Homefacts rating of NA. The total crime rate for Union is very low , and there are 0 registered sex offenders residing in the city. Unemployment in Union is moderate and the median home sales price is $0. Detailed and up-to-date Union property reports are available for any property address.
Cities near Union include Evansville, Brooklyn and Rutland.