51331 is zip code located in Arnolds Park, Iowa. The population is 1,007, making 51331 the largest zipcode in Arnolds Park and the 4th largest in Dickinson County.
There are 0 public schools in 51331 with an average Homefacts rating of A. , and there are 2 registered sex offenders residing in the zip code 51331. Unemployment in 51331 is low.