County
Jefferson County
Wisconsin
86,003 population$83,750 median income69,032 voting age0 active campaigns
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Officials Representing Jefferson County
State Legislature
Barbara Dittrich
Republican
State House · District 99
Chris Kapenga
Republican
State Senate · District 33
John Jagler
Republican
State Senate · District 13
Mark Born
Republican
State House · District 37
Robin Vos
Republican
State House · District 33
Steve Nass
Republican
State Senate · District 11
Will Penterman
Republican
State House · District 38
Congressional District Coverage
Jefferson County is fully within WI Congressional District 5.
Median Income
$83,750
↑ 8%vs $77,485
Bachelor's+
28.6%
↓ 14%vs 33.4%
Under 18
19.7%
↓ 8%vs 21.4%
Owner-Occupied
73.1%
↑ 8%vs 67.8%
White (non-Hispanic)
88.6%
↔ 11%vs 80.1%
Demographics
American Community Survey 2024 5-year estimates
Race & Ethnicity
White88.6%
Hispanic/Latino8.5%
Black0.9%
Asian0.7%
Two or More6.5%
Other3.3%
Income & Economy
Median Household Income$83,750
Per Capita Income$41,881
Poverty Rate8.1%
Unemployment3.5%
Education
High School+93.0%
Bachelor's+28.6%
Housing
Median Home Value$274,100
Median Rent$1,035
Owner-Occupied73.1%
Health Insurance
Uninsured4.8%
Age Distribution
Under 1819.7%
65 and Over18.5%
Median Age41.5