57042 is zip code located in Madison, South Dakota. The population is 8,609, making 57042 the largest zipcode in Madison and the largest in Lake County.
There are 4 public schools in 57042 with an average Homefacts rating of B+. The total crime rate for Madison is very low , and there are 33 registered sex offenders residing in the zip code 57042. Unemployment in 57042 is low.