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Lawrence County, South Dakota facts for kids

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Lawrence County
Lawrence County Courthouse in Deadwood
Lawrence County Courthouse in Deadwood
Map of South Dakota highlighting Lawrence 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.
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Country  United States
State  South Dakota
Founded January 11, 1875 (created)
1877 (organized)
Named for John Lawrence
Seat Deadwood
Largest city Spearfish
Area
 • Total 800 sq mi (2,000 km2)
 • Land 800 sq mi (2,000 km2)
 • Water 0.3 sq mi (0.8 km2)  0.03%
Population
 (2020)
 • Total 25,768
 • Density 32.2/sq mi (12.4/km2)
Time zone UTC−7 (Mountain)
 • Summer (DST) UTC−6 (MDT)
Congressional district At-large
Sd lawrence1 sr14a
US Highway 14a w

Lawrence County is a county in the U.S. state of South Dakota. As of the 2020 United States Census, the population was 25,768. Its county seat is Deadwood.

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

Lawrence County was created January 11, 1875, and organized in 1877. The county was named for "Colonel" John Lawrence 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.

Geography

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.

Major highways

  • I-90.svg Interstate 90
  • US 14.svg U.S. Highway 14
  • U.S. Highway 14A
  • US 85.svg U.S. Highway 85
  • US 385.svg U.S. Highway 385
  • SD 34.svg South Dakota Highway 34

Adjacent counties

National protected area

Demographics

Historical population
Census Pop.
1880 13,218
1890 11,673 −11.7%
1900 17,897 53.3%
1910 19,694 10.0%
1920 13,029 −33.8%
1930 13,920 6.8%
1940 19,093 37.2%
1950 16,648 −12.8%
1960 17,075 2.6%
1970 17,453 2.2%
1980 18,339 5.1%
1990 20,655 12.6%
2000 21,802 5.6%
2010 24,097 10.5%
2020 25,768 6.9%
US Decennial Census
1790-1960 1900-1990
1990-2000 2010-2020

2010 census

As of the 2010 United States Census, there were 24,097 people, 10,536 households, and 6,181 families in the county. The population density was 30.1 inhabitants per square mile (11.6/km2). There were 12,756 housing units at an average density of 15.9 per square mile (6.1/km2). The racial makeup of the county was 94.4% white, 2.0% American Indian, 0.7% Asian, 0.4% black or African American, 0.5% from other races, and 2.0% from two or more races. Those of Hispanic or Latino origin made up 2.5% of the population. In terms of ancestry, 44.5% were German, 13.7% were Irish, 13.4% were English, 11.4% were Norwegian, and 4.4% were American.

Of the 10,536 households, 24.0% had children under the age of 18 living with them, 46.6% were married couples living together, 8.1% had a female householder with no husband present, 41.3% were non-families, and 33.2% of all households were made up of individuals. The average household size was 2.19 and the average family size was 2.77. The median age was 41.0 years.

The median income for a household in the county was $42,356 and the median income for a family was $60,209. Males had a median income of $38,933 versus $28,649 for females. The per capita income for the county was $25,465. About 8.4% of families and 15.3% of the population were below the poverty line, including 15.8% of those under age 18 and 8.1% of those age 65 or over.

Communities

North of Deadwood South Dakota
Hay fields and scenery, North of Deadwood

Cities

Census-designated places

Unincorporated communities

Ghost towns

Townships

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

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