52162 is zip code located in Postville, Iowa. The population is 3,419, making 52162 the largest zipcode in Postville and the largest in Clayton County.
There are 2 public schools in 52162 with an average Homefacts rating of D+. The total crime rate for Postville is low , and there are 9 registered sex offenders residing in the zip code 52162. Unemployment in 52162 is low.