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Lawrence County, South Dakota

Lawrence County, South Dakota
Lawrence County Courthouse in Deadwood
Map of South Dakota highlighting Lawrence County
Location in the state of South Dakota
Map of the United States highlighting South Dakota
South Dakota's location in the U.S.
Founded 1877
Named for John Lawrence
Seat Deadwood
Largest city Spearfish
 • Total 800 sq mi (2,072 km2)
 • Land 800 sq mi (2,072 km2)
 • Water 0.3 sq mi (1 km2), 0.03%
 • (2010) 24,397
 • Density 30/sq mi (12/km²)
Congressional district At-large
Time zone Mountain: UTC-7/-6
US Highway 14a w
US Highway 14a w

Lawrence County is a county located in the U.S. state of South Dakota. As of the 2010 census, the population was 24,097.[1] Its county seat is Deadwood.[2]

Lawrence County is coextensive with the Spearfish, SD Micropolitan Statistical Area, which is also included in the Rapid City-Spearfish, SD Combined Statistical Area.


  • History 1
  • Geography 2
    • Major highways 2.1
    • Adjacent counties 2.2
    • National protected area 2.3
  • Demographics 3
  • Communities 4
    • Cities 4.1
    • Census-designated places 4.2
    • Unincorporated communities 4.3
    • Townships 4.4
  • See also 5
  • References 6
  • Further reading 7
  • External links 8


Lawrence County was created January 11, 1875, and organized in 1877.[3] The county was named for "Colonel" John Lawrence[4] who came to the county as first treasurer in 1877. Lawrence had previously served in the Dakota Territorial Legislature, as a Sergeant at Arms for the United States House of Representatives, and a US Marshal for the Dakota territory. After retirement he continued to act as county road supervisor and as an election judge. The title "Colonel" was honorary, bestowed by the governor of the Dakota Territory.


According to the U.S. Census Bureau, the county has a total area of 800 square miles (2,100 km2), of which 800 square miles (2,100 km2) is land and 0.3 square miles (0.78 km2) (0.03%) is water.[5]

Major highways

Adjacent counties

National protected area


As of the census[11] of 2000, there were 21,802 people, 8,881 households, and 5,559 families residing in the county. The population density was 27 people per square mile (11/km²). There were 10,427 housing units at an average density of 13 per square mile (5/km²). The racial makeup of the county was 95.79% White, 0.23% Black or African American, 2.18% Native American, 0.33% Asian, 0.05% Pacific Islander, 0.33% from other races, and 1.08% from two or more races. 1.82% of the population were Hispanic or Latino of any race. 36.0% were of German, 12.0% Norwegian, 9.0% English and 7.5% Irish ancestry according to the 2000 census.

There were 8,881 households out of which 28.80% had children under the age of 18 living with them, 51.00% were married couples living together, 8.50% had a female householder with no husband present, and 37.40% were non-families. 29.60% of all households were made up of individuals and 11.50% had someone living alone who was 65 years of age or older. The average household size was 2.33 and the average family size was 2.89.

In the county, the population was spread out with 23.10% under the age of 18, 13.70% from 18 to 24, 25.40% from 25 to 44, 23.10% from 45 to 64, and 14.60% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 96.80 males. For every 100 females age 18 and over, there were 93.30 males.

The median income for a household in the county was $31,755, and the median income for a family was $40,501. Males had a median income of $30,098 versus $19,679 for females. The per capita income for the county was $17,195. About 9.50% of families and 14.80% of the population were below the poverty line, including 15.70% of those under age 18 and 9.10% of those age 65 or over.


Hay fields and scenery, North of Deadwood


Census-designated places

Unincorporated communities


The county is divided into one township: St. Onge; and two areas of unorganized territory: North Lawrence and South Lawrence.

See also


  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved November 25, 2013. 
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ "Dakota Territory, South Dakota, and North Dakota: Individual County Chronologies". Dakota Territory Atlas of Historical County Boundaries. The Newberry Library. 2006. Retrieved March 30, 2015. 
  4. ^ Gannett, Henry (1905). The Origin of Certain Place Names in the United States. U.S. Government Printing Office. p. 183. 
  5. ^ "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved March 28, 2015. 
  6. ^ "Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2014". Retrieved June 4, 2015. 
  7. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved March 28, 2015. 
  8. ^ "Historical Census Browser". University of Virginia Library. Retrieved March 28, 2015. 
  9. ^ Forstall, Richard L., ed. (March 27, 1995). "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved March 28, 2015. 
  10. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. April 2, 2001. Retrieved March 28, 2015. 
  11. ^ "American FactFinder".  

Further reading

  • Caddey, S.W. et al. (1991). The Homestake Gold Mine, an Early Proterozoic iron-formation-hosted gold deposit, Lawrence County, South Dakota [U.S. Geological Survey Bulletin 1857-J]. Washington, D.C.: U.S. Department of the Interior, U.S. Geological Survey.

External links

  • Lawrence County, SD government website

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