Gettysburg
- County:
- Potter County
- County Seat:
- Yes
- Area (mi²):
- 1.921
- State:
- South Dakota
Gettysburg is a city located in Potter County, South Dakota. Gettysburg has a 2026 population of 1,062. It is also the county seat of Potter County. Gettysburg is currently declining at a rate of -1.12% annually and its population has decreased by -3.89% since the most recent census, which recorded a population of 1,105 in 2020.
The median household income in Gettysburg is $63,929 with a poverty rate of 4.83%. The median age in Gettysburg is 52 years: 49.3 years for males, and 52.7 years for females. For every 100 females there are 78.0 males.