Lake County, South Dakota

Lake County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 11,059.[1] Its county seat is Madison.[2] The county was formed in 1873.[3]

Lake County
County
Lake County Court House
Lake County Court House
Map of South Dakota highlighting Lake County
Location within the U.S. state of South Dakota
Map of the United States highlighting South Dakota
South Dakota's location within the U.S.
Coordinates: 44°01′N 97°07′W
Country United States
State South Dakota
Founded1873
SeatMadison
Largest cityMadison
Area
 • Total575 sq mi (1,490 km2)
 • Land563 sq mi (1,460 km2)
 • Water12 sq mi (30 km2)  2.1%
Population
 (2020)
 • Total11,059
 • Estimate 
(2022)
10,972 Decrease
 • Density19/sq mi (7.4/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional districtAt-large
Websitewww.lake.sd.gov

Geography

The terrain of Lake County consists of rolling hills, with the area devoted to agriculture. A tributary of the East Fork Vermillion River flows south-southeastward through the lower western part of the county, and Buffalo Creek flows southeastward from the central part of the county, leaving the county near its southeast corner.[4] The terrain generally slopes to the south, although high points (ca. 1,814' ASL) are found on the north and south boundary lines and points between.[5]

Lake 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.[6]

Lakes[4]

Protected areas[4]

Major highways

Adjacent counties

Demographics
Historical population
CensusPop.Note%±
18802,657—
18907,508182.6%
19009,13721.7%
191010,71117.2%
192012,25714.4%
193012,3791.0%
194012,4120.3%
195011,792−5.0%
196011,764−0.2%
197011,456−2.6%
198010,724−6.4%
199010,550−1.6%
200011,2766.9%
201011,200−0.7%
202011,059−1.3%
2022 (est.)10,972[7]−0.8%
U.S. Decennial Census[8]
1790-1960[9] 1900-1990[10]
1990-2000[11] 2010-2020[1]

2020 census

As of the census of 2020, there were 11,059 people.

2010 census

As of the census of 2010, there were 11,200 people, 4,483 households, and 2,814 families 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 units per square mile (3.8 units/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[4]

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

Historical townsite

Politics

Lake County voters have voted for Republican Party candidates in 62 percent of national elections since 1964.

United States presidential election results for Lake County, South Dakota[13]
Year Republican Democratic Third party
No. %No. %No. %
2020 3,681 62.68% 2,068 35.21% 124 2.11%
2016 4,038 59.50% 2,314 34.10% 434 6.40%
2012 3,419 54.40% 2,724 43.34% 142 2.26%
2008 2,993 48.61% 3,033 49.26% 131 2.13%
2004 3,359 55.92% 2,509 41.77% 139 2.31%
2000 2,724 52.85% 2,331 45.23% 99 1.92%
1996 1,966 38.41% 2,526 49.36% 626 12.23%
1992 1,890 33.81% 2,388 42.72% 1,312 23.47%
1988 2,439 47.62% 2,663 51.99% 20 0.39%
1984 3,027 55.92% 2,367 43.73% 19 0.35%
1980 3,093 52.85% 2,207 37.71% 552 9.43%
1976 2,530 46.20% 2,930 53.51% 16 0.29%
1972 2,919 50.14% 2,886 49.57% 17 0.29%
1968 2,876 53.68% 2,294 42.81% 188 3.51%
1964 2,417 44.72% 2,988 55.28% 0 0.00%
1960 3,520 61.28% 2,224 38.72% 0 0.00%
1956 3,404 62.32% 2,058 37.68% 0 0.00%
1952 4,020 73.28% 1,466 26.72% 0 0.00%
1948 2,837 56.95% 2,093 42.01% 52 1.04%
1944 2,956 65.70% 1,543 34.30% 0 0.00%
1940 4,179 68.87% 1,889 31.13% 0 0.00%
1936 3,182 52.95% 2,520 41.94% 307 5.11%
1932 2,222 41.09% 3,090 57.15% 95 1.76%
1928 3,048 63.41% 1,744 36.28% 15 0.31%
1924 1,888 45.35% 297 7.13% 1,978 47.51%
1920 2,333 69.98% 398 11.94% 603 18.09%
1916 1,398 55.04% 1,027 40.43% 115 4.53%
1912 0 0.00% 657 33.50% 1,304 66.50%
1908 1,415 65.60% 636 29.49% 106 4.91%
1904 1,728 78.90% 260 11.87% 202 9.22%
1900 1,172 55.57% 901 42.72% 36 1.71%
1896 864 46.10% 999 53.31% 11 0.59%
1892 742 43.47% 196 11.48% 769 45.05%

See also

References
  1. "State & County QuickFacts". United States Census Bureau. Retrieved April 23, 2023.
  2. "Find a County". National Association of Counties. Retrieved June 7, 2011.
  3. "Dakota Territory, South Dakota, and North Dakota: Individual County Chronologies". Dakota Territory Atlas of Historical County Boundaries. The Newberry Library. 2006. Archived from the original on April 2, 2018. Retrieved March 30, 2015.
  4. Lake County SD Google Maps (accessed February 5, 2019)
  5. ""Find an Altitude" Google Maps (accessed February 5, 2019)". Archived from the original on May 21, 2019. Retrieved February 5, 2019.
  6. "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved March 28, 2015.
  7. "Annual Estimates of the Resident Population for Counties: April 1, 2020 to July 1, 2022". Retrieved April 2, 2023.
  8. "U.S. Decennial Census". United States Census Bureau. Retrieved March 28, 2015.
  9. "Historical Census Browser". University of Virginia Library. Retrieved March 28, 2015.
  10. Forstall, Richard L., ed. (March 27, 1995). "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved March 28, 2015.
  11. "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. April 2, 2001. Archived (PDF) from the original on October 9, 2022. Retrieved March 28, 2015.
  12. Saranac (historical) in Lake County SD SD Home Town Locator (accessed February 5, 2019)
  13. Leip, David. "Atlas of US Presidential Elections". uselectionatlas.org. Retrieved April 15, 2018.

44.02°N 97.12°W / 44.02; -97.12

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