Spencer is located in Marathon County, WI. The population is 2,050, making Spencer the 8th largest city in Marathon County.
There are 2 public schools in Spencer with an average Homefacts rating of B. The total crime rate for Spencer is moderate , and there are 9 registered sex offenders residing in the city. Unemployment in Spencer is low and the median home sales price is $0. Detailed and up-to-date Spencer property reports are available for any property address.