Douglas County, South Dakota facts for kids
Quick facts for kids
Douglas County
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Douglas County Courthouse in Armour
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Location within the U.S. state of South Dakota
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 South Dakota's location within the U.S. |
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| Country |  United States |
| State |  South Dakota |
| Founded | 1873 (created) 1882 (organized) |
| Named for | Stephen A. Douglas |
| Seat | Armour |
| Largest city | Armour |
| Area | |
| • Total | 434 sq mi (1,120 km2) |
| • Land | 432 sq mi (1,120 km2) |
| • Water | 1.9 sq mi (5 km2) 0.4% |
| Population
(2020)
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| • Total | 2,835 |
| • Estimate
(2021)
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2,821  |
| • Density | 6.532/sq mi (2.522/km2) |
| Congressional district | At-large |
Douglas County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 2,835. Its county seat is Armour. The county was established in 1873 and organized in 1882. It is named for Stephen Douglas, Illinois political figure.
Contents
Geography
According to the U.S. Census Bureau, the county has a total area of 434 square miles (1,120 km2), of which 432 square miles (1,120 km2) is land and 1.9 square miles (4.9 km2) (0.4%) is water. It is the second-smallest county in South Dakota by area.
Major highways
U.S. Highway 18
U.S. Highway 281
South Dakota Highway 44
South Dakota Highway 50
Adjacent counties
- Aurora County - north
- Davison County - northeast
- Hutchinson County - east
- Charles Mix County - southwest
Demographics
| Historical population | |||
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| Census | Pop. | %± | |
| 1890 | 4,600 | — | |
| 1900 | 5,012 | 9.0% | |
| 1910 | 6,400 | 27.7% | |
| 1920 | 6,993 | 9.3% | |
| 1930 | 7,236 | 3.5% | |
| 1940 | 6,348 | −12.3% | |
| 1950 | 5,636 | −11.2% | |
| 1960 | 5,113 | −9.3% | |
| 1970 | 4,569 | −10.6% | |
| 1980 | 4,181 | −8.5% | |
| 1990 | 3,746 | −10.4% | |
| 2000 | 3,458 | −7.7% | |
| 2010 | 3,002 | −13.2% | |
| 2020 | 2,835 | −5.6% | |
| 2021 (est.) | 2,821 | −6.0% | |
| US Decennial Census 1790-1960 1900-1990 1990-2000 2010-2020 |
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2010 census
As of the 2010 United States Census, there were 3,002 people, 1,210 households, and 819 families in the county. The population density was 7.0 inhabitants per square mile (2.7/km2). There were 1,439 housing units at an average density of 3.3 per square mile (1.3/km2). The racial makeup of the county was 96.6% white, 1.8% American Indian, 0.4% black or African American, 0.1% Asian, 0.3% from other races, and 0.9% from two or more races. Those of Hispanic or Latino origin made up 0.8% of the population. In terms of ancestry, 34.8% were Dutch, 33.9% were German, 5.6% were Norwegian, 5.5% were Irish, 5.4% were Russian, and 5.1% were American.
Of the 1,210 households, 25.5% had children under the age of 18 living with them, 60.8% were married couples living together, 4.2% had a female householder with no husband present, 32.3% were non-families, and 29.1% of all households were made up of individuals. The average household size was 2.33 and the average family size was 2.89. The median age was 48.3 years.
The median income for a household in the county was $42,794 and the median income for a family was $53,750. Males had a median income of $36,689 versus $24,883 for females. The per capita income for the county was $22,200. About 7.2% of families and 9.8% of the population were below the poverty line, including 10.9% of those under age 18 and 15.2% of those age 65 or over.
Communities
Cities and towns
Census-designated places
Unincorporated community
- Joubert
Townships
The county is divided into fourteen townships:
- Belmont
- Chester
- Clark
- East Choleau
- Garfield
- Grandview
- Holland
- Independence
- Iowa
- Joubert
- Lincoln
- Valley
- Walnut Grove
- Washington
 | Hypatia |
 | Agnodice |
 | Aglaonice |
 | Mary the Jewess |
