Todd County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 9,319. Todd County does not have its own county seat. Instead, Winner in neighboring Tripp County serves as its administrative center. Its largest city is Mission. The county was created in 1909, although it remains unorganized. The county was named for John Blair Smith Todd, a delegate from Dakota Territory to the United States House of Representatives The county's per-capita income makes it the third poorest county in the United States. Unlike many rural counties in South Dakota, since 1960, its net population has increased.
History
Until 1981 Todd, Shannon (now Oglala Lakota), and Washabaugh were the last unorganized counties in the United States. Although then organized, Todd did not receive a home rule charter until 1983. It contracts with Tripp County for its Auditor, Treasurer, and Registrar of Deeds.
Geography
Todd County lies on the south line of South Dakota. Its south boundary line abuts the north boundary line of the state of Nebraska. Its terrain consists of semi-arid rolling hills, cut by gullies and drainages which flow to the northeast. The land is partially dedicated to agriculture, including center pivot irrigation. The terrain slopes to the northeast, and its highest point is near the SW corner, at ASL.
Todd County has a total area of , of which is land and (0.2%) is water.
Major highways
- 20px U.S. Highway 18
- 20px U.S. Highway 83
- 20px South Dakota Highway 63
Adjacent counties
- Mellette County – north
- Tripp County – east
- Cherry County, Nebraska – south (western half observes Mountain Time)
- Keya Paha County, Nebraska – southeast
- Bennett County – west (observes Mountain Time)
- Jackson County – northwest
|align-fn=center
|footnote=U.S. Decennial Census<br>1790–1960 1900–1990<br>1990–2000 2010–2020
!% 2010
!% 2000
!
!Pop 2010
!Pop 2000
|-
|White alone (NH)
|style='background: #ffffe6; |7.4%
|9.5%
|12.5%
|style='background: #ffffe6; |685
|913
|1,127
|-
|Black alone (NH)
|style='background: #ffffe6; |0.1%
|0.2%
|0.1%
|style='background: #ffffe6; |10
|16
|8
|-
|American Indian alone (NH)
|style='background: #ffffe6; |87.2%
|86.3%
|84.4%
|style='background: #ffffe6; |8,122
|8,297
|7,642
|-
|Asian alone (NH)
|style='background: #ffffe6; |0.5%
|0.2%
|0.1%
|style='background: #ffffe6; |45
|18
|13
|-
|Pacific Islander alone (NH)
|style='background: #ffffe6; |0%
|0%
|0%
|style='background: #ffffe6; |0
|0
|0
|-
|Other race alone (NH)
|style='background: #ffffe6; |0%
|0%
|0%
|style='background: #ffffe6; |0
|1
|4
|-
|Multiracial (NH)
|style='background: #ffffe6; |2.5%
|1.5%
|1.3%
|style='background: #ffffe6; |235
|140
|118
|-
|Hispanic/Latino (any race)
|style='background: #ffffe6; |2.4%
|2.4%
|1.5%
|style='background: #ffffe6; |222
|227
|138
|}
The most reported detailed ancestries in 2020 were Rosebud Sioux Tribe (75.1%), Sioux (4.8%), German (3.3%), Mexican (1.7%), Irish (1.7%), Oglala Sioux Tribe (1.2%), and English (1.1%).
As of the 2020 census, there were 9,319 people, 2,570 households, and 1,889 families residing in the county. The population density was .
There were 2,570 households in the county, of which 53.7% had children under the age of 18 living with them and 39.4% had a female householder with no spouse or partner present. About 22.0% of all households were made up of individuals and 6.9% had someone living alone who was 65 years of age or older.
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See also
- National Register of Historic Places listings in Todd County, South Dakota