Lake County, South Dakota facts for kids

Kids Encyclopedia Facts
Lake County, South Dakota
Map
Map of South Dakota highlighting Lake County
Location in the state of South Dakota
Map of the USA highlighting South Dakota
South Dakota's location in the U.S.
Statistics
Founded 1873
Seat Madison
Largest City Madison
Area
 - Total
 - Land
 - Water

575 sq mi (1,489 km²)
563 sq mi (1,458 km²)
12 sq mi (31 km²), 2.1%
PopulationEst.
 - (2015)
 - Density

12,622
20/sq mi (8/km²)
Time zone Central: UTC-6/-5
Website: http://www.lake.sd.gov/default.aspx

Lake County is a county located in the U.S. state of South Dakota. As of the 2010 census, the population was 11,200. Its county seat is Madison. The county was formed in 1873.

Geography

According to the U.S. Census Bureau, the county has a total area of 575 square miles (1,490 km2), of which 563 square miles (1,460 km2) is land and 12 square miles (31 km2) (2.1%) is water.

Lakes

  • Buffalo Slough
  • Brandt Lake
  • Davis Slough
  • Gilman Lake
  • Green Lake
  • Lake Badus
  • Lake Herman
  • Lake Madison
  • Long Lake
  • Mud Lake
  • Pelican Lake
  • Round Lake

Major highways

  • US 81.svg U.S. Highway 81
  • SD 19.svg South Dakota Highway 19
  • SD 34.svg South Dakota Highway 34

Adjacent counties

Demographics

Historical population
Census Pop.
1880 2,657
1890 7,508 182.6%
1900 9,137 21.7%
1910 10,711 17.2%
1920 12,257 14.4%
1930 12,379 1.0%
1940 12,412 0.3%
1950 11,792 −5.0%
1960 11,764 −0.2%
1970 11,456 −2.6%
1980 10,724 −6.4%
1990 10,550 −1.6%
2000 11,276 6.9%
2010 11,200 −0.7%
Est. 2016 12,909 15.3%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2015

2000 census

As of the census of 2000, there were 11,276 people, 4,372 households, and 2,828 families residing in the county. The population density was 20 people per square mile (8/km²). There were 5,282 housing units at an average density of 9 per square mile (4/km²). The racial makeup of the county was 97.76% White, 0.20% Black or African American, 0.66% Native American, 0.54% Asian, 0.01% Pacific Islander, 0.33% from other races, and 0.51% from two or more races. 0.79% of the population were Hispanic or Latino of any race.

There were 4,372 households out of which 29.80% had children under the age of 18 living with them, 55.90% were married couples living together, 5.90% had a female householder with no husband present, and 35.30% were non-families. 29.20% of all households were made up of individuals and 13.30% had someone living alone who was 65 years of age or older. The average household size was 2.41 and the average family size was 3.00.

In the county, the population was spread out with 23.70% under the age of 18, 15.00% from 18 to 24, 23.40% from 25 to 44, 21.40% from 45 to 64, and 16.30% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 99.80 males. For every 100 females age 18 and over, there were 99.50 males.

The median income for a household in the county was $34,087, and the median income for a family was $43,750. Males had a median income of $28,994 versus $21,084 for females. The per capita income for the county was $16,446. About 5.40% of families and 9.70% of the population were below the poverty line, including 8.60% of those under age 18 and 8.60% of those age 65 or over.

2010 census

As of the 2010 United States Census, there were 11,200 people, 4,483 households, and 2,814 families residing in the county. The population density was 19.9 inhabitants per square mile (7.7/km2). There were 5,559 housing units at an average density of 9.9 per square mile (3.8/km2). The racial makeup of the county was 96.2% white, 0.7% Asian, 0.7% American Indian, 0.5% black or African American, 0.8% from other races, and 1.1% from two or more races. Those of Hispanic or Latino origin made up 1.6% of the population. In terms of ancestry, 50.7% were German, 20.6% were Norwegian, 12.4% were Irish, 6.6% were English, 6.2% were Dutch, 5.0% were Danish, and 5.0% were American.

Of the 4,483 households, 26.7% had children under the age of 18 living with them, 53.0% were married couples living together, 6.8% had a female householder with no husband present, 37.2% were non-families, and 30.9% of all households were made up of individuals. The average household size was 2.30 and the average family size was 2.88. The median age was 39.9 years.

The median income for a household in the county was $45,606 and the median income for a family was $57,753. Males had a median income of $36,370 versus $25,898 for females. The per capita income for the county was $22,447. About 6.5% of families and 12.1% of the population were below the poverty line, including 12.8% of those under age 18 and 8.8% of those age 65 or over.

Communities

City

Towns

Village

Census-designated places

Other unincorporated communities

Townships

The county is divided into sixteen townships:

  • Badus
  • Chester
  • Clarno
  • Concord
  • Farmington
  • Franklin
  • Herman
  • Lake View
  • Le Roy
  • Nunda
  • Orland
  • Rutland
  • Summit
  • Wayne
  • Wentworth
  • Winfred

Historical townsite

  • Saranac

Lake County, South Dakota Facts for Kids. Kiddle Encyclopedia.