51401 is zip code located in Carroll, Iowa. The population is 12,166, making 51401 the largest zipcode in Carroll and the largest in Carroll County.
There are 4 public schools in 51401 with an average Homefacts rating of A. The total crime rate for Carroll is very low , and there are 6 registered sex offenders residing in the zip code 51401. Unemployment in 51401 is low.