52640 is zip code located in Morning Sun, Iowa. The population is 1,681, making 52640 the largest zipcode in Morning Sun and the 3rd largest in Louisa County.
There are 1 public schools in 52640 with an average Homefacts rating of A-. , and there are 2 registered sex offenders residing in the zip code 52640. Unemployment in 52640 is moderate.