Douglas County, South Dakota

Douglas County
County
Douglas County Courthouse in Armour
Location within the U.S. state of South Dakota
South Dakota's location within the U.S.
Coordinates: 43°23′N98°22′W / 43.39°N 98.36°W / 43.39; -98.36
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)
• Total	2,835
• Estimate  (2023)	2,838
• Density	6.5/sq mi (2.5/km2)
Congressional district	At-large
Website	douglas.sdcounties.org

Douglas County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 2,835. ^[1] Its county seat is Armour. ^[2] The county was established in 1873 and organized in 1882. ^[3] It is named for Stephen Douglas, ^[4] Illinois political figure.

Geography

The terrain of Douglas County consists of rolling hills, mostly dedicated to agriculture. The county's highest point is on its southwestern boundary, toward the SW corner, at 1,677 ft (511 m) ASL. The terrain slopes to the east. ^[5] 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. ^[6] 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

Lakes

• Corsica Lake ^[7]

Demographics

Historical population

Census	Pop.	Note	%±
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%
2023 (est.)	2,838	[8]	0.1%
U.S. Decennial Census [9] 1790-1960 [10] 1900-1990 [11] 1990-2000 [12] 2010-2020 [1]

2020 census

As of the 2020 census, there were 2,835 people, 1,134 households, and 779 families residing in the county. ^[13] The population density was 6.6 inhabitants per square mile (2.5/km²). There were 1,341 housing units.

2010 census

As of the 2010 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 units per square mile (1.3 units/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

• Armour (county seat)
• Corsica
• Delmont

Census-designated places

• Greenwood Colony
• Harrison
• New Holland

Unincorporated community

• Joubert ^[14]

Townships

• Belmont
• Chester
• Clark
• East Choleau
• Garfield
• Grandview
• Holland
• Independence
• Iowa
• Joubert
• Lincoln
• Valley
• Walnut Grove
• Washington

Ghost towns

• Douglas City
• Flensburg
• Grand View
• Huston
• Maitland

Politics

Douglas County voters have long been reliably Republican. In only two national elections since 1892 has the county selected the Democratic Party candidate.

United States presidential election results for Douglas County, South Dakota ^[15]

Year	Republican		Democratic		Third party(ies)
	No.	%	No.	%	No.	%
2024	1,419	85.59%	219	13.21%	20	1.21%
2020	1,468	86.00%	216	12.65%	23	1.35%
2016	1,338	83.36%	214	13.33%	53	3.30%
2012	1,334	78.93%	332	19.64%	24	1.42%
2008	1,293	73.63%	424	24.15%	39	2.22%
2004	1,596	79.32%	393	19.53%	23	1.14%
2000	1,311	76.71%	363	21.24%	35	2.05%
1996	1,210	63.38%	524	27.45%	175	9.17%
1992	1,175	56.85%	481	23.27%	411	19.88%
1988	1,438	67.23%	695	32.49%	6	0.28%
1984	1,713	76.00%	536	23.78%	5	0.22%
1980	1,855	75.31%	508	20.63%	100	4.06%
1976	1,315	57.30%	975	42.48%	5	0.22%
1972	1,434	61.68%	887	38.15%	4	0.17%
1968	1,613	70.68%	592	25.94%	77	3.37%
1964	1,189	50.86%	1,149	49.14%	0	0.00%
1960	2,002	78.73%	541	21.27%	0	0.00%
1956	1,713	67.81%	813	32.19%	0	0.00%
1952	2,103	79.93%	528	20.07%	0	0.00%
1948	1,301	63.71%	736	36.04%	5	0.24%
1944	1,483	67.35%	719	32.65%	0	0.00%
1940	1,977	65.53%	1,040	34.47%	0	0.00%
1936	1,418	44.75%	1,680	53.01%	71	2.24%
1932	1,045	34.08%	2,005	65.39%	16	0.52%
1928	1,949	68.68%	879	30.97%	10	0.35%
1924	1,125	50.25%	317	14.16%	797	35.60%
1920	1,247	63.49%	386	19.65%	331	16.85%
1916	815	57.48%	597	42.10%	6	0.42%
1912	0	0.00%	714	47.41%	792	52.59%
1908	836	55.99%	647	43.34%	10	0.67%
1904	859	61.89%	499	35.95%	30	2.16%
1900	649	52.85%	567	46.17%	12	0.98%
1896	533	58.06%	380	41.39%	5	0.54%
1892	541	50.85%	109	10.24%	414	38.91%

See also

• National Register of Historic Places listings in Douglas County, South Dakota

References

1. "State & County QuickFacts". United States Census Bureau. Retrieved March 21, 2024.
2. "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
3. "Dakota Territory, South Dakota, and North Dakota: Individual County Chronologies". Dakota Territory Atlas of Historical County Boundaries. The Newberry Library. 2006. Archived from the original on April 2, 2018. Retrieved March 29, 2015.
4. Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. p.  108.
5. ""Find an Altitude" Google Maps (accessed February 2, 2019)". Archived from the original on May 21, 2019. Retrieved February 2, 2019.
6. "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved March 24, 2015.
7. "Corsica Lake". Google Maps. Retrieved April 27, 2024.
8. "County Population Totals and Components of Change: 2020-2023" . Retrieved March 17, 2024.
9. "U.S. Decennial Census". United States Census Bureau. Retrieved March 24, 2015.
10. "Historical Census Browser". University of Virginia Library. Retrieved March 24, 2015.
11. Forstall, Richard L., ed. (March 27, 1995). "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved March 24, 2015.
12. "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. April 2, 2001. Archived (PDF) from the original on October 9, 2022. Retrieved March 24, 2015.
13. "US Census Bureau, Table P16: Household Type". United States Census Bureau. Retrieved March 21, 2024.
14. Joubert SD Google Maps (accessed February 2, 2019)
15. Leip, David. "Atlas of US Presidential Elections". uselectionatlas.org. Retrieved April 15, 2018.

43°23′N98°22′W / 43.39°N 98.36°W / 43.39; -98.36