57451 is zip code located in Ipswich, South Dakota. The population is 2,136, making 57451 the largest zipcode in Ipswich and the largest in Edmunds County.
There are 4 public schools in 57451 with an average Homefacts rating of A. , and there are 4 registered sex offenders residing in the zip code 57451. Unemployment in 57451 is low.