61103 is zip code located in Rockford, Illinois. The population is 24,392, making 61103 the 4th largest zipcode in Rockford and the 4th largest in Winnebago County.
There are 8 public schools in 61103 with an average Homefacts rating of C. The total crime rate for Rockford is high , and there are 4 registered sex offenders residing in the zip code 61103. Unemployment in 61103 is high.