50647 is zip code located in Janesville, Iowa. The population is 1,919, making 50647 the largest zipcode in Janesville and the 9th largest in Black Hawk County.
There are 2 public schools in 50647 with an average Homefacts rating of B. , and there are 4 registered sex offenders residing in the zip code 50647. Unemployment in 50647 is moderate.