Mound City, South Dakota
| Mound City, South Dakota | |
|---|---|
| Town | |
 Location in Campbell County and the state of South Dakota |
|
| Coordinates: 45°43′33″N 100°4′10″W / 45.72583°N 100.06944°WCoordinates: 45°43′33″N 100°4′10″W / 45.72583°N 100.06944°W | |
| Country | United States |
| State | South Dakota |
| County | Campbell |
| Area | |
| • Total | 0.13 sq mi (0.34 km2) |
| • Land | 0.13 sq mi (0.34 km2) |
| • Water | 0 sq mi (0 km2) |
| Elevation | 1,722 ft (525 m) |
| Population (2010) | |
| • Total | 71 |
| • Estimate (2012) | 67 |
| • Density | 546.2/sq mi (210.9/km2) |
| Time zone | Central (CST) (UTC-6) |
| • Summer (DST) | CDT (UTC-5) |
| ZIP code | 57646 |
| Area code(s) | 605 |
| FIPS code | 46-44020 |
| GNIS feature ID | 1256558 |
Mound City is a town in Campbell County, South Dakota, United States. The population was 71 at the 2010 census. It is the county seat of Campbell County.
Mound City was so named on account of the Indian mounds near the original town site.
Mound City is located at 45°43′33″N 100°4′10″W / 45.72583°N 100.06944°W (45.725799, -100.069562).
According to the United States Census Bureau, the town has a total area of 0.13 square miles (0.34 km2), all of it land.
Mound City has been assigned the ZIP code 57646 and the FIPS place code 44020.
As of the census of 2010, there were 71 people, 40 households, and 21 families residing in the town. The population density was 546.2 inhabitants per square mile (210.9/km2). There were 51 housing units at an average density of 392.3 per square mile (151.5/km2). The racial makeup of the town was 98.6% White and 1.4% from two or more races.
There were 40 households of which 10.0% had children under the age of 18 living with them, 45.0% were married couples living together, 7.5% had a male householder with no wife present, and 47.5% were non-families. 42.5% of all households were made up of individuals and 25% had someone living alone who was 65 years of age or older. The average household size was 1.78 and the average family size was 2.24.
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