58237 is zip code located in Grafton, North Dakota. The population is 5,402, making 58237 the largest zipcode in Grafton and the largest in Walsh County.
There are 5 public schools in 58237 with an average Homefacts rating of B. The total crime rate for Grafton is very low , and there are 13 registered sex offenders residing in the zip code 58237. Unemployment in 58237 is moderate.