Gann Valley Flag

Gann Valley

County:
Buffalo County
County Seat:
No
Area (mi²):
0.079
State:
South Dakota

Gann Valley is a CDP located in Buffalo County, South Dakota. Gann Valley has a 2025 population of 15. Gann Valley is currently growing at a rate of 7.14% annually and its population has increased by 36.36% since the most recent census, which recorded a population of 11 in 2020.

15
Total Population
189
Density (mi²)
1 7.14%
Growth

Gann Valley Population

Gann Valley Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Gann Valley includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White5100%

Gann Valley Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

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)