Jackson County Flag

Jackson County

State:
South Dakota
County Seat:
Kadoka

Jackson County's 2026 population is estimated at 2,616, reflecting a -1.88% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Jackson County is the 51st largest county in South Dakota. The 2010 population was 3,049 and has grown -14.2% since 2010.

2,616
Total Population
1.4
Population Density (mi²)
51
Population Rank (State)
-50 -1.88%
Annual Population Growth

Jackson County Population

Demographics

Economics and Income Statistics