Winnebago County, Illinois

Browse all ZIP codes in Winnebago County, Illinois. Each ZIP code page includes population, median household income, and a map of the area.

County Statistics

Total Population 285,674
Median Household Income $68,924
Median Age 39.5
Unemployment Rate 7.4%
Poverty Rate 16.1%
ZIP Codes 20

Largest ZIP Codes in Winnebago County

ZIP Code City Population Median Income
61108Rockford29,673$59,783
61107Rockford29,386$69,982
61109Rockford26,382$58,242
61103Rockford23,441$49,192
61111Loves Park22,756$56,276

Demographics

Race & Ethnicity

Gender

Education Level (adults 25+)

All ZIP Codes in Winnebago County