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ZIP Code Database - Facts & Stats

Data Last Updated: October 1, 2021

ROCK County, WI ZIP Codes

ROCK County, WI Covers 15 ZIP Codes

ZIP CodeClassificationCityPopulationTimezoneArea Code(s)
ZIP Code 53501P.O. BoxAfton23Central608/262
ZIP Code 53505GeneralAvalon354Central608
ZIP Code 53511GeneralBeloit48,929Central608/262
ZIP Code 53512P.O. BoxBeloit0Central608/262
ZIP Code 53525GeneralClinton4,052Central262/608
ZIP Code 53534GeneralEdgerton11,512Central608
ZIP Code 53536GeneralEvansville8,503Central608
ZIP Code 53537P.O. BoxFootville781Central608
ZIP Code 53542P.O. BoxHanover0Central608
ZIP Code 53545GeneralJanesville23,117Central608
ZIP Code 53546GeneralJanesville30,648Central608
ZIP Code 53547P.O. BoxJanesville0Central608
ZIP Code 53548GeneralJanesville18,558Central608
ZIP Code 53563GeneralMilton10,728Central608
ZIP Code 53576GeneralOrfordville2,319Central608

Population:160,331 (More Details)
Male Population:78,815
Female Population:81,516
Median Age:38
ZIP Codes:15
Area Codes:0
Total Area:726 square miles (county)
Land Area:718 square miles (county)
Water Area:8 square miles (county)

ROCK, WI Demographic Information

* Demographic data is based on 2010 Census.

Total population of ROCK County, WI160,331
Male population of ROCK County, WI78,815
Female population of ROCK County, WI81,516
Median age (years)38
White Population140,513
Black Population7,978
Indian Population516
Asian Population1,630
Hawaiian Population39
Hispanic Population12,124
Median age (Male)36.9
Median age (Female)39.1
Total households62,905
Family households (families)42,416
Average household size for ROCK County, WI2.5
Average family size of ROCK County, WI3
Total housing units for ROCK County, WI68,422

ROCK County, WI Covers 11 Cities