Rock County, Wisconsin

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

County Statistics

Total Population 163,094
Median Household Income $75,970
Median Age 39.9
Unemployment Rate 4.0%
Poverty Rate 10.0%
ZIP Codes 12

Largest ZIP Codes in Rock County

ZIP Code City Population Median Income
53511Beloit48,749$61,825
53546Janesville29,352$70,317
53545Janesville24,037$68,849
53548Janesville20,119$70,082
53534Edgerton12,306$85,828

Demographics

Race & Ethnicity

Gender

Education Level (adults 25+)

All ZIP Codes in Rock County