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Jefferson, South Dakota
Location in Union County and the state of South Dakota
Location in Union County and the state of South Dakota
Country United States
State South Dakota
County Union
Incorporated 1895
Area
 • Total 0.51 sq mi (1.32 km2)
 • Land 0.51 sq mi (1.32 km2)
 • Water 0.00 sq mi (0.00 km2)
Elevation
1,116 ft (340 m)
Population
 (2020)
 • Total 475
 • Density 931.37/sq mi (359.27/km2)
Time zone UTC-6 (Central (CST))
 • Summer (DST) UTC-5 (CDT)
ZIP code
57038
Area code(s) 605
FIPS code 46-32700
GNIS feature ID 1267441

Jefferson is a city in Union County, South Dakota, United States. The population was 475 at the 2020 census. It is part of the Sioux City, IA-NE-SD Metropolitan Statistical Area. Jefferson was founded in 1859. Every year the citizens of Jefferson and surrounding area celebrate the founding of Jefferson during "Jefferson Days", a festival that includes a movie in the park, a car show, fireworks and parade.

The city has the name of President Thomas Jefferson.

History

Jefferson was primarily settled by French-Canadians. By 1867 the town consisted of 25 or so French-Canadian families. During the winter of 1880–1, the town was ravaged by a smallpox epidemic, reported to have arrived in the area via Russian Mennonite emigrants en route to Yankton, in the Dakota Territory. The town was quarantined for several weeks, without railroad service or mail delivery. At least 150 cases of "black small pox" were reported by February 1881, resulting in more than 82 deaths.

Geography

According to the United States Census Bureau, the city has a total area of 0.50 square miles (1.29 km2), all land.

The closest bodies of water are Horseshoe Lake, a small oxbow lake formed from the nearby river; McCook Lake, the Big Sioux River and the Missouri River.

Demographics

Historical population
Census Pop.
1880 90
1890 229 154.4%
1900 364 59.0%
1910 407 11.8%
1920 550 35.1%
1930 426 −22.5%
1940 469 10.1%
1950 466 −0.6%
1960 443 −4.9%
1970 474 7.0%
1980 592 24.9%
1990 527 −11.0%
2000 586 11.2%
2010 547 −6.7%
2020 475 −13.2%
U.S. Decennial Census

2010 census

As of the census of 2010, there were 547 people, 233 households, and 146 families residing in the city. The population density was 1,094.0 inhabitants per square mile (422.4/km2). There were 248 housing units at an average density of 496.0 per square mile (191.5/km2). The racial makeup of the city was 97.4% White, 0.5% African American, 0.2% Native American, 0.2% from other races, and 1.6% from two or more races. Hispanic or Latino of any race were 1.5% of the population.

There were 233 households, of which 28.8% had children under the age of 18 living with them, 50.2% were married couples living together, 9.0% had a female householder with no husband present, 3.4% had a male householder with no wife present, and 37.3% were non-families. 29.6% of all households were made up of individuals, and 12.9% had someone living alone who was 65 years of age or older. The average household size was 2.35 and the average family size was 2.94.

The median age in the city was 39.2 years. 23% of residents were under the age of 18; 8.3% were between the ages of 18 and 24; 27.3% were from 25 to 44; 28.4% were from 45 to 64; and 13% were 65 years of age or older. The gender makeup of the city was 49.9% male and 50.1% female.

See also

Kids robot.svg In Spanish: Jefferson (Dakota del Sur) para niños

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