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Kennebec, South Dakota
Panorama of Kennebec
Panorama of Kennebec
Location in Lyman County and the state of South Dakota
Location in Lyman County and the state of South Dakota
Country United States
State South Dakota
County Lyman
Incorporated 1909
Area
 • Total 0.85 sq mi (2.21 km2)
 • Land 0.85 sq mi (2.21 km2)
 • Water 0.00 sq mi (0.00 km2)
Elevation
1,686 ft (514 m)
Population
 (2020)
 • Total 281
 • Density 289.57/sq mi (111.79/km2)
Time zone UTC-6 (Central (CST))
 • Summer (DST) UTC-5 (CDT)
ZIP code
57544
Area code(s) 605
FIPS code 46-33580
GNIS feature ID 1265266
Kennebec SD water tower
Water tower

Kennebec is a town in and county seat of Lyman County, South Dakota, United States. The population was 281 at the 2020 census.

History

Kennebec was laid out in 1905. Kennebec has served as county seat of Lyman County since 1922. The courthouse dates from 1925.

Transportation

The highways that run in or near Kennebec are east-west Interstate 90 (I‑90) and South Dakota Highway 273 (SD 273), which is a north-south highway.

The one main transportation for Kennebec is by road (I‑90 and SD 273), as there is no airport, municipal or commercial. There is also no trains for passengers.

Geography

Kennebec is located at 43°54′15″N 99°51′46″W / 43.90417°N 99.86278°W / 43.90417; -99.86278 (43.904284, -99.862801).

According to the United States Census Bureau, the town has a total area of 0.85 square miles (2.20 km2), all of it land.

Kennebec has been assigned the ZIP code 57544 and the FIPS place code 33580. Kennebec is located in section of agricultural use area in Kennebec Township. Medicine Creek is about one eighth of a mile south of Kennebec. Kennebec is located about 25 miles WNW of Chamberlain, 42 miles east of Murdo, and 89 miles west of Mitchell.

Demographics

Historical population
Census Pop.
1910 252
1920 341 35.3%
1930 349 2.3%
1940 390 11.7%
1950 374 −4.1%
1960 372 −0.5%
1970 372 0.0%
1980 334 −10.2%
1990 284 −15.0%
2000 286 0.7%
2010 240 −16.1%
2020 281 17.1%
U.S. Decennial Census

2010 census

As of the census of 2010, there were 240 people, 112 households, and 69 families residing in the town. The population density was 282.4 inhabitants per square mile (109.0/km2). There were 146 housing units at an average density of 171.8 per square mile (66.3/km2). The racial makeup of the town was 90.0% White, 6.7% Native American, and 3.3% from two or more races.

There were 112 households, of which 23.2% had children under the age of 18 living with them, 50.9% were married couples living together, 7.1% had a female householder with no husband present, 3.6% had a male householder with no wife present, and 38.4% were non-families. 33.9% of all households were made up of individuals, and 17.9% had someone living alone who was 65 years of age or older. The average household size was 2.14 and the average family size was 2.72.

The median age in the town was 45.6 years. 22.5% of residents were under the age of 18; 5% were between the ages of 18 and 24; 20.8% were from 25 to 44; 25.4% were from 45 to 64; and 26.3% were 65 years of age or older. The gender makeup of the town was 51.7% male and 48.3% female.

Notable people

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