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Population:83,686 (More Details)
Male Population:41,638
Female Population:42,048
Median Age:38
ZIP Codes:10
Area Codes:0
Total Area:583 square miles (county)
Land Area:556 square miles (county)
Water Area:26 square miles (county)

JEFFERSON County, WI Covers 10 ZIP Codes

ZIP CodeClassificationCityPopulationTimezoneArea Code(s)
ZIP Code 53036GeneralIxonia2,720Central920
ZIP Code 53038GeneralJohnson Creek4,013Central920
ZIP Code 53094GeneralWatertown19,169Central920
ZIP Code 53137GeneralHelenville1,702Central262
ZIP Code 53156GeneralPalmyra2,992Central262
ZIP Code 53178GeneralSullivan2,626Central262
ZIP Code 53538GeneralFort Atkinson18,468Central920/262
ZIP Code 53549GeneralJefferson10,414Central920
ZIP Code 53551GeneralLake Mills8,273Central920
ZIP Code 53594GeneralWaterloo5,144Central920

JEFFERSON, WI Demographic Information

* Demographic data is based on 2010 Census.

More Census Information

Total population of JEFFERSON County, WI83,686
Male population of JEFFERSON County, WI41,638
Female population of JEFFERSON County, WI42,048
Median age (years)38.2
White Population78,632
Black Population681
Indian Population257
Asian Population560
Hawaiian Population18
Hispanic Population5,555
Median age (Male)37.4
Median age (Female)39
Total households32,117
Family households (families)21,872
Average household size for JEFFERSON County, WI2.49
Average family size of JEFFERSON County, WI2.99
Total housing units for JEFFERSON County, WI35,147

JEFFERSON County, WI Covers 10 Cities