57564 is zip code located in Onida, South Dakota. The population is 1,052, making 57564 the largest zipcode in Onida and the largest in Sully County.
There are 3 public schools in 57564 with an average Homefacts rating of A-. , and there are 1 registered sex offenders residing in the zip code 57564. Unemployment in 57564 is low.