Grant County, South Dakota facts for kids
Quick facts for kids
Grant County
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County Courthouse
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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) January 8, 1878 (organized) |
Named for | Ulysses S. Grant |
Seat | Milbank |
Largest city | Milbank |
Area | |
• Total | 688 sq mi (1,780 km2) |
• Land | 681 sq mi (1,760 km2) |
• Water | 6.1 sq mi (16 km2) 0.9% |
Population
(2020)
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• Total | 7,556 |
• Estimate
(2021)
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7,519 |
• Density | 10.983/sq mi (4.240/km2) |
Time zone | UTC−6 (Central) |
• Summer (DST) | UTC−5 (CDT) |
Congressional district | At-large |
Grant County is a county in the U.S. state of South Dakota. As of the 2020 United States Census, the population was 7,556. The county seat is Milbank. The county was founded in 1873 and organized in 1878. It is named for Ulysses S. Grant, 18th President of the United States.
Contents
Geography
According to the U.S. Census Bureau, the county has a total area of 688 square miles (1,780 km2), of which 681 square miles (1,760 km2) is land and 6.1 square miles (16 km2) (0.9%) is water.
The lowest point in the state of South Dakota is located on Big Stone Lake at Big Stone City in Grant County, adjacent to Ortonville, Minnesota, where the lake flows into the Minnesota River.
Major highways
- Interstate 29
- U.S. Highway 12
- U.S. Highway 81
- South Dakota Highway 15
- South Dakota Highway 20
- South Dakota Highway 123
- South Dakota Highway 158
Adjacent counties
- Roberts County - north
- Big Stone County, Minnesota - northeast
- Lac qui Parle County, Minnesota - east
- Deuel County - south
- Codington County - southwest
- Day County - west
Demographics
Historical population | |||
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Census | Pop. | %± | |
1880 | 3,010 | — | |
1890 | 6,814 | 126.4% | |
1900 | 9,103 | 33.6% | |
1910 | 10,303 | 13.2% | |
1920 | 10,880 | 5.6% | |
1930 | 10,729 | −1.4% | |
1940 | 10,552 | −1.6% | |
1950 | 10,233 | −3.0% | |
1960 | 9,913 | −3.1% | |
1970 | 9,005 | −9.2% | |
1980 | 9,013 | 0.1% | |
1990 | 8,372 | −7.1% | |
2000 | 7,847 | −6.3% | |
2010 | 7,356 | −6.3% | |
2020 | 7,556 | 2.7% | |
2021 (est.) | 7,519 | 2.2% | |
US Decennial Census 1790-1960 1900-1990 1990-2000 2010-2020 |
2010 census
As of the 2010 United States Census, there were 7,356 people, 3,089 households, and 2,076 families in the county. The population density was 10.8 inhabitants per square mile (4.2/km2). There were 3,526 housing units at an average density of 5.2 per square mile (2.0/km2). The racial makeup of the county was 97.1% white, 0.5% American Indian, 0.3% Asian, 0.1% black or African American, 1.1% from other races, and 0.8% from two or more races. Those of Hispanic or Latino origin made up 2.3% of the population. In terms of ancestry, 49.9% were German, 16.8% were Norwegian, 8.9% were Irish, 6.7% were Swedish, 5.6% were English, and 5.2% were American.
Of the 3,089 households, 28.1% had children under the age of 18 living with them, 57.2% were married couples living together, 6.1% had a female householder with no husband present, 32.8% were non-families, and 29.6% of all households were made up of individuals. The average household size was 2.35 and the average family size was 2.89. The median age was 45.1 years.
The median income for a household in the county was $42,625 and the median income for a family was $56,250. Males had a median income of $36,204 versus $25,567 for females. The per capita income for the county was $22,887. About 7.0% of families and 11.6% of the population were below the poverty line, including 13.8% of those under age 18 and 17.8% of those age 65 or over.
Communities
Cities
- Big Stone City
- Milbank (county seat)
Towns
Unincorporated communities
Townships
The county is divided into seventeen townships:
- Adams
- Alban
- Big Stone
- Blooming Valley
- Farmington
- Georgia
- Grant Center
- Kilborn
- Lura
- Madison
- Mazeppa
- Melrose
- Osceola
- Stockholm
- Troy
- Twin Brooks
- Vernon
See also
In Spanish: Condado de Grant (Dakota del Sur) para niños