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.
The median household income in Carthage is $46,875 with a poverty rate of 8.97%. The median age in Carthage is 53.2 years: 48.1 years for males, and 66.5 years for females. For every 100 females there are 169.0 males.