Day County, South Dakota facts for kids
Quick facts for kids
Day County
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First National Bank (Webster, South Dakota)
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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 | 1880 |
| Named for | Merritt H. Day |
| Seat | Webster |
| Largest city | Webster |
| Area | |
| • Total | 1,091 sq mi (2,830 km2) |
| • Land | 1,028 sq mi (2,660 km2) |
| • Water | 63 sq mi (160 km2) 5.8% |
| Population
(2020)
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| • Total | 5,449 |
| • Estimate
(2021)
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5,414  |
| • Density | 4.9945/sq mi (1.9284/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | At-large |
Day County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 5,449. Its county seat is Webster. The county is named for Merritt H. Day, pioneer and 1879 Dakota Territory legislator.
Contents
Geography
According to the U.S. Census Bureau, the county has a total area of 1,091 square miles (2,830 km2), of which 1,028 square miles (2,660 km2) is land and 63 square miles (160 km2) (5.8%) is water.
Lakes
- Amsden
- Antelope
- Bitter
- Blue Dog
- Enemy Swim
- Horseshoe
- Lynn
- Minnewaste
- Pickerel Lake
- Rush
- Waubay
Major highways
U.S. Highway 12
South Dakota Highway 25
South Dakota Highway 27
Adjacent counties
- Marshall County - north
- Roberts County - east
- Grant County - southeast
- Codington County - southeast
- Clark County - south
- Spink County - southwest
- Brown County - west
National protected area
Demographics
| Historical population | |||
|---|---|---|---|
| Census | Pop. | %± | |
| 1880 | 97 | — | |
| 1890 | 9,168 | 9,351.5% | |
| 1900 | 12,254 | 33.7% | |
| 1910 | 14,372 | 17.3% | |
| 1920 | 15,194 | 5.7% | |
| 1930 | 14,606 | −3.9% | |
| 1940 | 13,565 | −7.1% | |
| 1950 | 12,294 | −9.4% | |
| 1960 | 10,516 | −14.5% | |
| 1970 | 8,713 | −17.1% | |
| 1980 | 8,133 | −6.7% | |
| 1990 | 6,978 | −14.2% | |
| 2000 | 6,267 | −10.2% | |
| 2010 | 5,710 | −8.9% | |
| 2020 | 5,449 | −4.6% | |
| 2021 (est.) | 5,414 | −5.2% | |
| 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 5,710 people, 2,504 households, and 1,561 families in the county. The population density was 5.6 inhabitants per square mile (2.2/km2). There were 3,630 housing units at an average density of 3.5 per square mile (1.4/km2). The racial makeup of the county was 88.1% white, 9.5% American Indian, 0.2% Asian, 0.1% black or African American, 0.4% from other races, and 1.7% from two or more races. Those of Hispanic or Latino origin made up 1.1% of the population. In terms of ancestry, 43.8% were German, 25.1% were Norwegian, 12.8% were Polish, 8.8% were Irish, and 6.1% were American.
Of the 2,504 households, 24.4% had children under the age of 18 living with them, 50.0% were married couples living together, 7.9% had a female householder with no husband present, 37.7% were non-families, and 34.0% of all households were made up of individuals. The average household size was 2.22 and the average family size was 2.83. The median age was 47.9 years.
The median income for a household in the county was $36,818 and the median income for a family was $47,949. Males had a median income of $36,549 versus $25,750 for females. The per capita income for the county was $20,542. About 10.7% of families and 12.5% of the population were below the poverty line, including 11.7% of those under age 18 and 14.1% of those age 65 or over.
Communities
Cities
Towns
Unincorporated communities
Townships
The county is divided into twenty-eight townships:
- Andover
- Bristol
- Butler
- Central Point
- Egeland
- Farmington
- Grenville
- Highland
- Homer
- Independence
- Kidder
- Kosciusko
- Liberty
- Lynn
- Morton
- Nutley
- Oak Gulch
- Racine
- Raritan
- Rusk
- Scotland
- Troy
- Union
- Valley
- Waubay
- Webster
- Wheatland
- York
 | Hypatia |
 | Agnodice |
 | Aglaonice |
 | Mary the Jewess |
