50552 is zip code located in Knierim, Iowa. The population is , making 50552 the largest zipcode in Knierim and the 8th largest in Calhoun County.
There are 0 public schools in 50552 with an average Homefacts rating of NA. , and there are 0 registered sex offenders residing in the zip code 50552. Unemployment in 50552 is low.