50240 is zip code located in St. Charles, Iowa. The population is 2,673, making 50240 the largest zipcode in St. Charles and the 3rd largest in Madison County.
There are 0 public schools in 50240 with an average Homefacts rating of NA. , and there are 5 registered sex offenders residing in the zip code 50240. Unemployment in 50240 is moderate.