Town guide
Foster
A township of 14 people in Perkins County, South Dakota
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Weather
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About Foster
Township in South Dakota, United States14Population
Foster Township is a township in Perkins County, in the U.S. state of South Dakota. As of the 2020 census, it contains 11 people and 11 households.
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Living in Foster
Health in Foster
Compared with South Dakota
1better than SD·10worse
of 26 measures CDC estimates. The other 15 are too close to call.
BetterToo close to callWorse
What stands out
Care nearby
West River Regional Medical CenterHettinger · 53.2 mi · ER · rural critical access
Horizon Health - FaithFaith · 21.2 mi · sliding-scale fees
Primary careShortage · county-wide
DentalShortage · county-wide
Mental healthShortage · county-wide
CDC PLACES 2025 · modeled estimates for adults · ZIP code 57644 · CMS · HRSAHealth in Foster →
Natural hazards in Foster
Moderate
Expected storm and flood damage is higher than in 54% of U.S. communities.
🥶 Cold waves🌊 Inland flooding🔥 Wildfire
FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Foster →
Libraries near Foster
See all →Nearest: Faith Public LibraryFaith · 21.5 miles · 32 hrs a week
Where Foster is
Explore map →Imported town boundary
South Dakota · SD · Perkins CountyTown boundary on OpenStreetMap →
Around town
Explore map →Bordering towns
How things work in Foster
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