Lake Koshkonong Flag

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.

943
Total Population
67
Density (mi²)
-17 -1.77%
Growth

Lake Koshkonong Population

Lake Koshkonong Population

Data after 2023 is projected based on recent change

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 and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White95497.05%
Black or African American131.32%
Two or more races121.22%
Asian20.2%
Other race20.2%

Lake Koshkonong Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)