Mound City Flag

Mound City

County:
Campbell County
County Seat:
Yes
Area (mi²):
0.127
State:
South Dakota

Mound City is a town located in Campbell County, South Dakota. Mound City has a 2026 population of 65. It is also the county seat of Campbell County. Mound City is currently declining at a rate of 0% annually and its population has decreased by -4.41% since the most recent census, which recorded a population of 68 in 2020.

The median age in Mound City is 30.1 years: 30.2 years for males, and 27.8 years for females. For every 100 females there are 181.3 males.

65
Total Population
512
Density (mi²)

Mound City Population

Mound City Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20266500%
202565-1-1.52%
202466-1-1.49%
20236700%
202267-1-1.47%
20216800%
20206800%
20196700%
20186711.52%
201766-1-1.49%
201667-1-1.47%
20156800%
20146823.03%
201366-2-2.94%
20126800%
201168-3-4.23%
20107100%

Median Age

Overall: 30.1 years
Female: 27.8 years
Male: 30.2 years

Mound City Adults

There are 83 adults, (16 of whom are seniors) in Mound City.

Sex Ratio

Female: 32 (35.6%)
Male: 58 (64.4%)

Demographics

The racial composition of Mound City includes 60% White, 7.78% other race, 3.33% Native American, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White5460%
Two or more races2628.89%
Other race77.78%
Native American33.33%
Race
Population ↓
Percentage (of total)
Two or more races2628.89%
White2527.78%
Other race77.78%
Race
Population ↓
Percentage (of total)
White2932.22%
Native American33.33%

Mound City Marital Status

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)