Lake Koshkonong

County:: Dane County
County Seat:: No
Area (mi²):: 14.103
State:: Wisconsin

Lake Koshkonong is a CDP located in Dane County, Wisconsin. Lake Koshkonong has a 2025 population of 943. Lake Koshkonong is currently declining at a rate of -1.77% annually and its population has decreased by -1.57% since the most recent census, which recorded a population of 958 in 2020.

The average household income in Lake Koshkonong is $122,520 with a poverty rate of 6%. The median age in Lake Koshkonong is 56.6 years: 54.8 years for males, and 57.4 years for females.

Demographics

The racial composition of Lake Koshkonong includes 97.05% White, and smaller percentages for Black or African American, Two or more races, Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	954	97.05%
Black or African American	13	1.32%
Two or more races	12	1.22%
Asian	2	0.2%
Other race	2	0.2%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Lake Koshkonong Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Lake Koshkonong's average per capita income is $54,803. Household income levels show a median of $93,125. The poverty rate stands at 6%.

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	$96,827	-
Families	$95,865	$142,339
Households	$93,125	$122,520
Non Families	$64,830	$89,060

$54,803

Average Income

$93,125

Median Household Income

6%

Poverty Rate