Ideally situated between the metropolitan areas of Milwaukee and Madison, Jefferson County boasts rich agricultural areas and a diversified manufacturing industry. Home to the national headquarters of Trek Bicycle, Jefferson County simmers with outdoor recreation opportunities. Each of the county’s communities exhibit a strong local character with thriving town centers serving residents at work and at play.
2010 Population: 83,683
2015 Population Estimate: 84,559
Demographics of Jefferson County
Labor Force Profile of Jefferson County
Top private-sector employers in Jefferson County include Trek Bicycle, Nasco International, Spacesaver Corp, and Generac Power Systems, Inc.
Jefferson County Major Employers
- Watertown: 23,864
- Whitewater: 14,579
- Fort Atkinson: 12,355
- Jefferson (county seat): 7,914
- Lake Mills: 5,840
- Ixonia: 4,670
- Koshkonong: 3,694
- Waterloo: 3,330
- Oakland: 3,088
- Johnson Creek: 2,908
Economic Development Contact
Jefferson County Economic Development Consortium
Victoria Pratt, Executive Director
920.674.8711 | Email Victoria
Sources: U.S. Census; Wisconsin’s WORKnet; Municipality Population Estimates, Wisconsin Department of Administration, Demographic Services Center; Applied Geographic Solutions via LocateInWisconsin.