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 2026 population of 932. Lake Koshkonong is currently declining at a rate of -1.79% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Lake Koshkonong is $97,115 with a poverty rate of 5.84%. The median age in Lake Koshkonong is 54 years: 50.2 years for males, and 55.5 years for females. For every 100 females there are 115.8 males.

932
Total Population
66
Density (mi²)
-17 -1.79%
Growth

Lake Koshkonong Population

Lake Koshkonong Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026932-17-1.79%
2025949-17-1.76%

Median Age

Overall: 54 years
Female: 55.5 years
Male: 50.2 years

Lake Koshkonong Adults

There are 855 adults, (318 of whom are seniors) in Lake Koshkonong.

Sex Ratio

Female: 468 (46.3%)
Male: 542 (53.7%)

Demographics

The racial composition of Lake Koshkonong includes 96.53% White, and smaller percentages for Two or more races, Black or African American, Asian, other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White97596.53%
Two or more races171.68%
Black or African American90.89%
Asian50.5%
Other race40.4%
Race
Population ↓
Percentage (of total)
White282.77%
Race
Population ↓
Percentage (of total)
White94793.76%
Two or more races171.68%
Black or African American90.89%
Asian50.5%
Other race40.4%

Lake Koshkonong Marital Status

Economics and Income Statistics

Lake Koshkonong 's average per capita income is $56,964. Household income levels show a median of $97,115. The poverty rate stands at 5.84%.

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$101,806-
Families$101,250$151,492
Households$97,115$127,564
Non Families$65,882$80,608

$56,964

Average Income

$97,115

Median Household Income

5.84%

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)