51577 is zip code located in Walnut, Iowa. The population is 1,308, making 51577 the largest zipcode in Walnut and the 10th largest in Pottawattamie County.
There are 1 public schools in 51577 with an average Homefacts rating of C+. , and there are 0 registered sex offenders residing in the zip code 51577. Unemployment in 51577 is moderate.