Lyman County, South Dakota

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Lyman County is a county located in the U.S. state of South Dakota. As of the 2020 census, the population was 3,718.<ref name="QF">Template:Cite web</ref> Its county seat is Kennebec.<ref name="GR6">Template:Cite web</ref>

Lyman County was created by the Dakota Territorial Legislature on January 8, 1873, but was not organized until May 21, 1893. Its boundaries were altered in 1891, 1897, 1898, and 1916.<ref name=ICC>Individual County Chronologies/Lyman County (accessed February 5, 2019)</ref> The county was named for W. P. Lyman, a politician.<ref>Template:Cite book</ref>

History

Lyman County was created in 1873 and organized in 1893.<ref name=ICC/> Oacoma served as its first county seat in 1891; in 1922 the seat was transferred to Kennebec.<ref>Template:Cite book</ref>

Geography

Lyman County is bordered on the north and east by the Missouri River, which flows southerly along its edge, and the western portion of its south line is also delineated by the White River, which then continued flowing eastward through the county's eastern area to discharge into the Missouri. Its upper central portion is drained by the Bad Horse Creek, which discharges into the Missouri near the midpoint of the county's north boundary.

The county terrain consists of rolling hills, sloping to the river drainages. Its area is largely devoted to agriculture.<ref name="LCSD">Template:Cite web</ref><ref>Template:Cite web</ref> The county has a total area of Template:Convert, of which Template:Convert is land and Template:Convert (3.8%) is water.<ref>Template:Cite web</ref>

Confluence of the White and Missouri rivers at the Lyman–Brule county border, taken on July 4, 2022, from the International Space Station

Hughes County - north
Hyde County - northeast
Buffalo County - northeast
Brule County - east
Charles Mix County - southeast
Gregory County - south
Tripp County - south
Mellette County - southwest
Jones County - west
Stanley County - northwest

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Protected areas

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Brakke State Game Production Area
Brye Bottom State Game Production Area
Bull Creek State Game Production Area
Carpenter State Game Production Area
Cedar Creek Recreation Area
Counselor Creek Recreation Area
Dude Ranch State Lakeside Use Area
Fate Dam State Game Production Aea
Fort Pierre National Grassland (part)
Good Soldier Creek Recreation Area
Iona State Game Production Area
Iron Nation Recreation Area
Lindely State Game Production Area
Lower Brule Recreation Area
Narrows Recreation Area
Neugebauer State Game Production Area
Reis Bottom State Game Production Area
Salzmann State Game Production Area

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Lakes

Lake Francis Case (part)
Lake Sharpe (part)

Demographics

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2020 census

As of the 2020 census, there were 3,718 people, 1,303 households, and 892 families residing in the county.<ref>Template:Cite web</ref> The population density was Template:Convert. There were 1,546 housing units.

2010 census

As of the 2010 census, there were 3,755 people, 1,392 households, and 967 families in the county. The population density was Template:Convert. There were 1,704 housing units at an average density of Template:Convert. The racial makeup of the county was 58.3% white, 38.2% American Indian, 0.3% Asian, 0.1% black or African American, 0.1% from other races, and 2.9% from two or more races. Those of Hispanic or Latino origin made up 1.1% of the population. In terms of ancestry, 27.3% were German, 9.2% were Irish, 9.1% were Norwegian, and 1.0% were American.

Of the 1,392 households, 35.6% had children under the age of 18 living with them, 47.1% were married couples living together, 15.2% had a female householder with no husband present, 30.5% were non-families, and 27.2% of all households were made up of individuals. The average household size was 2.67 and the average family size was 3.19. The median age was 36.1 years.

The median income for a household in the county was $36,323 and the median income for a family was $45,045. Males had a median income of $32,760 versus $25,512 for females. The per capita income for the county was $16,930. About 17.4% of families and 18.8% of the population were below the poverty line, including 25.4% of those under age 18 and 5.8% of those age 65 or over.