Lake Mills

County:: Jefferson County
County Seat:: No
Area (mi²):: 4.178
State:: Wisconsin

Lake Mills is a city located in Jefferson County, Wisconsin. Lake Mills has a 2025 population of 6,849. Lake Mills is currently growing at a rate of 1.84% annually and its population has increased by 9.92% since the most recent census, which recorded a population of 6,231 in 2020.

The average household income in Lake Mills is $97,253 with a poverty rate of 4.86%. The median age in Lake Mills is 40.2 years: 40.1 years for males, and 40.3 years for females.

Demographics

The racial composition of Lake Mills includes 89.16% White, and smaller percentages for Native American, other race, Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Native American

Other race

Black or African American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	5,698	89.16%
Two or more races	405	6.34%
Native American	100	1.56%
Other race	88	1.38%
Black or African American	69	1.08%
Asian	31	0.49%
Native Hawaiian or Pacific Islander	0	0%

Lake Mills Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Lake Mills' average per capita income is $57,680. Household income levels show a median of $87,039. The poverty rate stands at 4.86%.

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	$121,570	-
Families	$112,632	$117,511
Households	$87,039	$97,253
Non Families	$58,264	$60,773

$57,680

Average Income

$87,039

Median Household Income

4.86%

Poverty Rate