Carthage
Carthage has notably lower household income than the US average, with a median household income of $46,875. Population has fallen 58% since 2000, a loss of 109 residents. 16% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has more than tripled since 2000, reaching $81,300. With a median age of 53.2, the population is older than the US median of 38.9. Households here earn about 38% less than the South Dakota median.
Population & growth
PEP 2025 EST:127 residents (Census Bureau Vintage 2025, released March 2026)
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People & community
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How many people live in Carthage, South Dakota?
Carthage, South Dakota has about 78 residents according to the 2024 American Community Survey.
What is the median household income in Carthage, South Dakota?
The typical household in Carthage, South Dakota earns about $46,875 a year. Half of households make more than that, and half make less.
Is Carthage, South Dakota expensive?
In Carthage, South Dakota, the median home is worth about $81,300.
How educated are people in Carthage, South Dakota?
About 15.9% of adults age 25 and over in Carthage, South Dakota hold a bachelor's degree or higher.
What is the poverty rate in Carthage, South Dakota?
About 9.0% of people in Carthage, South Dakota live below the federal poverty line.
Has Carthage, South Dakota grown since 1990?
Yes, Carthage, South Dakota has shrunk since 1990. The population has lost about 152 residents, a change of about -66 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024