61931 is zip code located in Humboldt, Illinois. The population is 1,137, making 61931 the largest zipcode in Humboldt and the 6th largest in Coles County.
There are 1 public schools in 61931 with an average Homefacts rating of NA. , and there are 0 registered sex offenders residing in the zip code 61931. Unemployment in 61931 is very high.