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South Dakota Mortgage Calculator (2026)

Calculate your monthly mortgage payment in South Dakota including principal, interest, and South Dakota's average property tax rate of 1.22%.

South Dakota Property Tax Note: South Dakota has a moderate property tax rate of 1.22%. Rapid City and the Black Hills region have seen home price appreciation from retirees and remote workers. South Dakota has no estate tax and favorable trust laws, making it attractive for wealth management. Sioux Falls is the largest city with a growing tech and financial services sector.

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South Dakota average: 1.22%

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South Dakota Monthly Payment

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Median South Dakota home ($280,000) — 20% down — 7% rate — 30yr

ComponentMonthlyAnnual
Principal & Interest$1,490.28$17,883
Property Tax (1.22%)$284.67$3,416
Homeowners Insurance$150.00$1,800
Total PITI$1,924.94$23,099

Total interest over 30yr: $312,500. PMI not included.

South Dakota Mortgage Math: Property Tax, Insurance, and PITI

Your South Dakota mortgage payment has four components — the PITI breakdown: Principal, Interest, Taxes, and Insurance. Principal and interest are determined by your loan amount, rate, and term. Property tax and homeowners insurance are usually escrowed monthly. In South Dakota, the average effective property tax rate is 1.22% — near the US average of 1.10%.

On the median South Dakota home ($280,000), the property tax line alone runs roughly $3,416 annually — about $285 per month before factoring in any local supplemental levies. Homeowners insurance typically adds $1,200–$2,400/year depending on coverage and risk profile, with hurricane/wildfire-prone areas paying more.

South Dakota Home Prices in National Context

The median home price in South Dakota is $280,000, 33.2% below the US median of $419,200. Relative to South Dakota's median household income of $64,468, the median home costs about 4.3× annual income — a useful affordability benchmark. Home-price-to-income ratios above 5× typically signal a stretched market; below 3× indicates affordability headroom.

South Dakota has a moderate property tax rate of 1.22%. Rapid City and the Black Hills region have seen home price appreciation from retirees and remote workers. South Dakota has no estate tax and favorable trust laws, making it attractive for wealth management. Sioux Falls is the largest city with a growing tech and financial services sector. Local variation within South Dakota can be substantial — coastal/metro counties typically run well above the state median, while inland and rural counties can sit far below. Use the calculator above with your specific target price, and verify the property tax line by looking up the assessed value and millage rate for your target county.

Affordability Math: How Much Home Can You Actually Carry?

Conventional underwriting caps total housing costs at 28% of gross monthly income (the "front-end" ratio) and total debt at 36%–43% (the "back-end" ratio). On the South Dakota median household income of $64,468, that's a maximum housing budget of about $1,504 per month. With South Dakota's higher-than-average property taxes, that budget supports a mortgage in the range of $161,170–$225,638 at current 30-year fixed rates.

The 20% down payment is a useful benchmark — it eliminates private mortgage insurance (PMI) and signals creditworthiness — but isn't required. FHA loans accept 3.5% down with a credit score of 580+; VA loans (eligible veterans) and USDA loans (rural areas) can offer 0% down. Each path has tradeoffs in upfront fees, ongoing insurance, and rate competitiveness; run the math both ways before committing.

Closing Costs and Ongoing Ownership Costs in South Dakota

Beyond the down payment, budget 2%–5% of the loan amount for closing costs: lender origination fees, title insurance, appraisal, recording fees, prepaid taxes and insurance, and (in some states) transfer taxes. On a $224,000 loan, that's roughly $6,720–$11,200 due at closing. Some sellers will credit closing costs in soft markets — always ask.

Plan for ongoing maintenance reserves of 1%–2% of home value annually — about $4,200/year on the South Dakota median home. HOA dues (if applicable), utilities, and major capital expenses (roof, HVAC, hot water heater) accumulate. The all-in cost of homeownership in South Dakota typically runs 1.3×–1.5× the mortgage payment alone once tax, insurance, maintenance, and major repairs are included over a typical holding period.