Cost of Living in Keystone, SD

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10%
Overall NAT. AVG.
0%
Groceries NAT. AVG.
29%
Housing NAT. AVG.
Date & Last Updated: These cost of living estimates reflect 2026 modeled data using U.S. Census housing inputs and AI-assisted city-level pricing models.
The cost of living index is based on a national average of 100. For example, if the cost of living score is 90, then the estimated cost of living is 10% lower than the national average. If the score is 110, then the estimated cost of living is 10% higher than average. The overall index is calculated using weighted estimates across major everyday expense categories, including housing (30%), groceries (16%), transportation (12%), healthcare (10%), utilities (8%), lifestyle and entertainment (8%), household expenses (8%), and education and childcare (8%). All values are AI-assisted city-level estimates designed for directional comparisons.
Index Keystone South Dakota National
Cost of living9092100
Groceries10099100
Health care9897100
Housing7177100
Transportation9896100
Utilities102103100
Lifestyle & Entertainment9694100
Household Items9796100
Education & Childcare9898100
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Homes For Sale In Keystone, SD

property for sale

1201 Old Hill City Rd

Keystone, SD
property for sale

3 Old Hill City Rd

Keystone, SD
property for sale

24271 Rushmore Ranch Rd

Keystone, SD
property for sale

13816 George Pl

Keystone, SD

Cost Of Living Quick Facts

  • The cost of living in Keystone is 1% lower than the South Dakota average
  • The cost of living in Keystone is 10% lower than the national average
  • Keystone housing is 29% lower than the national average
  • South Dakota general sales tax is 12% lower than the national average
  • South Dakota state income tax is 100% lower than the national average

Most Affordable Places to Live in and Around Keystone

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      Transportation index
      Utilities index
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      Educare index

      Median Income & Debt-To-Income Ratio

      Median Income Per Year Per Month Max Budget (28% DTI) Max Budget (36% DTI)
      Owners$104,710$8,726$2,443$3,142
      Renters$44,134$3,678$1,030$1,324

      South Dakota Sales Tax

      State General Sales Tax With Max Surtax
      South Dakota 4.5% 6%

      South Dakota Income Tax

      State Income Tax (Low) Income Tax (High)
      South Dakota 0% 0%

      Nearby cities with low cost of living

      City Population Cost of Living Index National Avg.
      Hermosa, SD4248614.3%
      Fairburn, SD1098713.3%
      Custer, SD2,402937.0%
      Hill City, SD601973.3%
      Rapid City, SD79,549991.0%
      Keystone, SD561909.6%

      Cities with similar population

      City Population Cost of Living Index National Avg.
      Avon, AL5618910.7%
      Rockvale, CO561991.2%
      Zearing, IA5618614.2%
      Ava, IL5618217.7%
      Lake Petersburg, IL56111313.0%
      Keystone, SD561909.6%
      Date & Last Updated: These cost of living estimates reflect 2026 modeled data using U.S. Census housing inputs and AI-assisted city-level pricing models.
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