Lake Koshkonong is a

census-designated place A census-designated place (CDP) is a Place (United States Census Bureau), concentration of population defined by the United States Census Bureau for statistical purposes only. CDPs have been used in each decennial census since 1980 as the counte ...

(CDP) in the towns of Koshkonong and

Sumner Sumner may refer to: Places Antarctica * Mount Sumner, a mountain in the Rare Range, Antarctica * Sumner Glacier, southern Graham Land, Antarctica Australia * Sumner, Queensland, a suburb of Brisbane New Zealand * Sumner, New Zealand, a seasi ...

, Jefferson County,

Wisconsin Wisconsin ( ) is a U.S. state, state in the Great Lakes region, Great Lakes region of the Upper Midwest of the United States. It borders Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake Michigan to the east, Michig ...

, United States. The population was 1,239 at the 2020 census.

Lake Koshkonong Lake Koshkonong is a reservoir in southern Wisconsin, which was transformed from its original marshland by the construction of the Indianford Dam in 1932. The lake lies along the Rock River, with the river acting as both the primary inflow and t ...

is in the area.

Geography

Lake Koshkonong is located at (42.860475, -88.940344). According to the

United States Census Bureau The United States Census Bureau, officially the Bureau of the Census, is a principal agency of the Federal statistical system, U.S. federal statistical system, responsible for producing data about the American people and American economy, econ ...

, the CDP has a total area of 29.9 square miles (77.4 km²), of which 14.3 square miles (37.1 km²) is land and 15.6 square miles (40.3 km²) (52.11%) is water.

Demographics

As of the

census A census (from Latin ''censere'', 'to assess') is the procedure of systematically acquiring, recording, and calculating population information about the members of a given Statistical population, population, usually displayed in the form of stati ...

of 2000, there were 1,219 people, 492 households, and 338 families residing in the CDP. The

population density Population density (in agriculture: Standing stock (disambiguation), standing stock or plant density) is a measurement of population per unit land area. It is mostly applied to humans, but sometimes to other living organisms too. It is a key geog ...

was 85.2 people per square mile (32.9/km²). There were 809 housing units at an average density of 56.6/sq mi (21.8/km²). The racial makeup of the CDP was 98.36%

White White is the lightest color and is achromatic (having no chroma). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully (or almost fully) reflect and scatter all the visible wa ...

, 0.25% Native American, 0.16% Asian, 0.16% from other races, and 1.07% from two or more races.

Hispanic The term Hispanic () are people, Spanish culture, cultures, or countries related to Spain, the Spanish language, or broadly. In some contexts, Hispanic and Latino Americans, especially within the United States, "Hispanic" is used as an Ethnici ...

or Latino of any race were 1.39% of the population. There were 492 households, out of which 25.4% had children under the age of 18 living with them, 59.8% were

married couples Marriage, also called matrimony or wedlock, is a culturally and often legally recognised union between people called spouses. It establishes rights and obligations between them, as well as between them and their children (if any), and b ...

living together, 4.7% had a female householder with no husband present, and 31.1% were non-families. 22.6% of all households were made up of individuals, and 9.8% had someone living alone who was 65 years of age or older. The average household size was 2.48 and the average family size was 2.88. In the CDP, the population was spread out, with 21.2% under the age of 18, 6.2% from 18 to 24, 26.4% from 25 to 44, 32.1% from 45 to 64, and 14.0% who were 65 years of age or older. The median age was 42 years. For every 100 females, there were 108.0 males. For every 100 females age 18 and over, there were 106.9 males. The median income for a household in the CDP was $54,412, and the median income for a family was $60,761. Males had a median income of $36,181 versus $25,337 for females. The

per capita income Per capita income (PCI) or average income measures the average income earned per person in a given area (city, region, country, etc.) in a specified year. In many countries, per capita income is determined using regular population surveys, such ...

for the CDP was $23,801. About 2.9% of families and 5.1% of the population were below the

poverty line The poverty threshold, poverty limit, poverty line, or breadline is the minimum level of income deemed adequate in a particular country. The poverty line is usually calculated by estimating the total cost of one year's worth of necessities for ...

, including 4.7% of those under age 18 and 2.5% of those age 65 or over.

References

External links

Rock Koshkonong Lake District
{{authority control Census-designated places in Jefferson County, Wisconsin Census-designated places in Wisconsin