57638 is zip code located in Lemmon, South Dakota. The population is 1,834, making 57638 the largest zipcode in Lemmon and the largest in Perkins County.
There are 3 public schools in 57638 with an average Homefacts rating of B-. , and there are 5 registered sex offenders residing in the zip code 57638. Unemployment in 57638 is low.