what county is mason city, illinois in
Homefacts City Report. Mason City is located in Mason County, IL. The population is 2,313, making Mason City the 2nd largest city in Mason County. There are 4 public schools in Mason City with an average Homefacts rating of B-. The total crime rate for Mason City is very low, and there are 9 registered sex offenders residing in the city.
Mason County, Illinois was named for Mason County, Kentucky, which had been named for political leader, George Mason. There are currently 13 townships in Mason County: Allen Grove, Bath, Crane Creek, Forest City, Havana, Kilbourne, Lynchburg, Manito, Mason City, Pennsylvania, Quiver, Salt Creek, and Sherman.