61277 is zip code located in Prophetstown, Illinois. The population is 3,074, making 61277 the largest zipcode in Prophetstown and the 5th largest in Whiteside County.
There are 3 public schools in 61277 with an average Homefacts rating of B. The total crime rate for Prophetstown is very low , and there are 0 registered sex offenders residing in the zip code 61277. Unemployment in 61277 is moderate.