61489 is zip code located in Williamsfield, Illinois. The population is 851, making 61489 the largest zipcode in Williamsfield and the 9th largest in Knox County.
There are 3 public schools in 61489 with an average Homefacts rating of B-. , and there are 0 registered sex offenders residing in the zip code 61489. Unemployment in 61489 is very high.