51545 is zip code located in Little Sioux, Iowa. The population is 425, making 51545 the largest zipcode in Little Sioux and the 8th largest in Harrison County.
There are 0 public schools in 51545 with an average Homefacts rating of NA. , and there are 0 registered sex offenders residing in the zip code 51545. Unemployment in 51545 is low.