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Keystone town, SD

ZIP 57751 — Housing & Real Estate

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Upper Middle ClassLow Snow Area

Home values, rent, tenure, and housing stock

Housing & Real Estate in ZIP Code 57751

Median Home Value
$388,300
Median Rent
$558
Affordability Snapshot
$107,000
Est. income to buy

Household income needed for a median home under a 20% down / 6.8% illustrative mortgage model (~$2,494/mo PITI).

7%
Rent-to-Income Ratio

Below the 30% threshold — generally affordable for median earners.

3.9x
Home Price-to-Income Ratio

Within the typical 3-5x range for home affordability.

58.0 yrs
Price-to-Rent Ratio

Years to break even buying vs renting at median home value and rent.

To comfortably buy a median-priced home in ZIP 57751 in Keystone town, SD, a household would need roughly $107,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $2,494. That is roughly in line with the local median household income ($100,714). Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Housing Tenure

Vacancy rate 19% — check local market conditions.

Heating Fuel
Housing Metrics
Owner Occupied
86.1%+32% vs US avg
x
Vacancy Rate
18.7%+81% vs US avg
x
Broadband Access
94.3%+8% vs US avg
x
4+ Bedrooms
2.2%-85% vs US avg
x
Built Pre-1939
0.0%
x
Built Post-2014
0.0%
x
Rent Burden >30%
3.9%-92% vs US avg
x
Mortgage-Free
33.0%-14% vs US avg
x
$388,300
Home Value
$558
Rent
1992
Year Built
2010
Moved In

Residents have lived here since ~2010 on average

Housing Structure

Census ACS structure types (single-family, multi-unit, etc.).

  • 1-unit detached63.3%
  • 1-unit attached1.8%
  • 2-9 units10.0%
  • 10+ units0.0%
  • Mobile home & other24.9%

Housing & Real Estate key statistics

Housing statistics
Housing
Median home value$388,300
Median rent$558
Owner-occupied86.1%
Vacant18.7%
Price-to-income3.9x
Est. income to buy$107,000