Jefferson

County:: Jefferson County
County Seat:: Yes
Area (mi²):: 5.832
State:: Wisconsin

Jefferson is a city located in Jefferson County, Wisconsin. Jefferson has a 2025 population of 7,540. It is also the county seat of Jefferson County. Jefferson is currently declining at a rate of -0.7% annually and its population has decreased by -3.4% since the most recent census, which recorded a population of 7,805 in 2020.

The average household income in Jefferson is $100,713 with a poverty rate of 10.27%.The median age in Jefferson is 43.7 years: 40.9 years for males, and 45.1 years for females.

Demographics

The racial composition of Jefferson includes 82.26% White, 9.73% other race, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	6,352	82.26%
Other race	751	9.73%
Two or more races	453	5.87%
Black or African American	136	1.76%
Native American	10	0.13%
Asian	10	0.13%
Native Hawaiian or Pacific Islander	10	0.13%

Jefferson Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Jefferson's average per capita income is $53,309. Household income levels show a median of $77,095. The poverty rate stands at 10.27%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$113,787	-
Families	$97,353	$116,454
Households	$77,095	$100,713
Non Families	$39,055	$75,137

$53,309

Average Income

$77,095

Median Household Income

10.27%

Poverty Rate