Carthage
- County:
- Miner County
- County Seat:
- No
- Area (mi²):
- 1.46
- State:
- South Dakota
Carthage is a city located in Miner County, South Dakota. Carthage has a 2026 population of 128. Carthage is currently growing at a rate of 0.79% annually but its population has decreased by -1.54% since the most recent census, which recorded a population of 130 in 2020.