52301 is zip code located in Marengo, Iowa. The population is 3,936, making 52301 the largest zipcode in Marengo and the 2nd largest in Iowa County.
There are 2 public schools in 52301 with an average Homefacts rating of B. , and there are 8 registered sex offenders residing in the zip code 52301. Unemployment in 52301 is low.