Jefferson County Wisconsin Zip Codes

Cities in

Below are a list of the cities located in Jefferson County, WI. There are 10 total unique zip codes in Jefferson County, Wisconsin. The time zone for Jefferson County is the Central Daylight Time zone and they follow daylight savings time. The Federal Information Processing System (FIPS) Code for is 55055.

The population in Jefferson County, WI is currently 84,943. That is an increase of 1.20% vs the population of 83,686 in 2010.

Zip Codes for Jefferson County, WI (10)
Zip Code
 City County
Zip Code Map
53036 Ixonia Jefferson
53038 Johnson Creek Jefferson
53094 Watertown Jefferson
53137 Helenville Jefferson
53156 Palmyra Jefferson
53178 Sullivan Jefferson
53538 Fort Atkinson Jefferson
53549 Jefferson Jefferson
53551 Lake Mills Jefferson
53594 Waterloo Jefferson

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