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Lake County, South Dakota
Map of South Dakota highlighting Lake County
Location in the state of South Dakota
Map of USA SD
South Dakota's location in the U.S.
Founded information needed
Seat Madison
Largest city Madison
 - Total
 - Land
 - Water

575 sq mi (1,489 km²)
563 sq mi (1,459 km²)
12 sq mi (31 km²), 2.06%
 - (2000)
 - Density

Time zone Central: UTC-6/-5

Lake County is a county located in the U.S. state of South Dakota. As of 2000, the population is 11,276. Its county seat is Madison6.


According to the U.S. Census Bureau, the county has a total area of 1,489 km² (575 sq mi). 1,459 km² (563 sq mi) of it is land and 31 km² (12 sq mi) of it (2.06%) is water.

Townships Edit

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.

Major HighwaysEdit

Adjacent Counties Edit


Historical populations
Census Pop.
1900 9,137
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%
Est. 2006 11,170 −0.9%

As of the census2 of 2000, there were 11,276 people, 4,372 households, and 2,828 families residing in the county. The population density was 8/km² (20/sq mi). There were 5,282 housing units at an average density of 4/km² (9/sq mi). 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.

Cities and towns Edit

External Links Edit

Coordinates: 44°01′N 97°07′W / 44.02, -97.12

This page uses content from the English language Wikipedia. The original content was at Lake County, South Dakota. The list of authors can be seen in the page history. As with this Familypedia wiki, the content of Wikipedia is available under the Creative Commons License.

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