The median home in Keystone, South Dakota is valued at $615,208, up 1.8% year over year. Keystone is part of the Rapid City, SD metropolitan area, which CrashWatch tracks daily with real-time stress scores and crash risk analysis.

Home Value$615,208

+1.8%

Prices rising — worse for buyers.

Affordability

Enter your income for Keystone.

Income (annual)

Down Payment

$123,042 on $615,208

Example: $75,000 household income. Change it above to see your own.

Out of reach63.5% of income

Need $169,971/yr to afford.

PITI$3,966

P/I63.5%

Afford$271K

Gap-$344K

P&I $3,111Tax $672Ins $183

6.50% 30yr, 20% down, county tax + SD ins. 28% per HUD.

Home Buying Kit For Dummies (2025)Financing, negotiation, closing

Other cities in South Dakota

Compare Keystone with other housing markets across South Dakota.

South Shore$546K Hermosa$513K Florence$493K Henry$492K Wentworth$476K Renner$462K Custer$460K Hill City$450K

Full Rapid City, SD analysis

Stress scores, crash risk, early warning signals, and 12-month price forecasts for the Rapid City, SD metro.

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Keystone, SD