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Debt-to-Income Ratio Calculator in South Dakota

Calculate your DTI ratio in South Dakota and see how it compares to local lending standards. The median income here is $77K; the 28% housing limit allows $1,794/month for PITI. Formula shown, sources cited — no account required.

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South Dakota's median income of $77K/year allows $1,794/month for housing (28% front-end limit) and $2,307/month for all debts combined (36% back-end limit).

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South Dakota DTI Context (2026)

$77K
Median Household Income
$320K
Median Home Price
$1,794
Max Housing (28%)
36%
Implied DTI (Median Buyer)

Buying the Median Home in South Dakota: DTI Breakdown

Median home: $320K · 10% down · 6.65% rate · 30 years

Monthly P&I payment$1,849
Property tax/mo (1.14%)$304
Homeowners insurance (est.)~$150
Total PITI$2,303/mo
Median gross monthly income$6,407
Front-end DTI (PITI ÷ income)36% ⚠ Elevated

Understanding DTI Ratios in South Dakota

The debt-to-income ratio is the single most important metric lenders use to evaluate loan applications. It compares your total monthly debt payments to your gross monthly income. Two versions matter: the front-end ratio (housing costs only) and the back-end ratio (all monthly debt obligations).

In South Dakota, with a median household income of $76,881/year and a median home price of $320K, the price-to-income ratio is 4.2×. This is above the traditional 4× guideline, putting moderate pressure on affordability in South Dakota.

DTI Thresholds Explained

DTI RangeLender ViewMonthly Income at $77K/yr
Below 28%Excellent — easily qualifiesUnder $1,794/mo
28–36%Acceptable — qualifies with good credit$1,794–$2,307/mo
36–43%Elevated — requires compensating factors$2,307–$2,755/mo
Above 43%High — most conventional loans deniedOver $2,755/mo

South Dakota vs. National Housing Affordability

MetricSouth DakotaNational Avg
Median Home Price$320,000$420,000
Median Household Income$76,881$74,580
Price-to-Income Ratio4.2×5.6×
Max Housing Budget (28%)$1,794/mo$1,740/mo

Questions You Might Ask — Debt-to-Income Calculator in South Dakota

What is the average debt-to-income ratio in South Dakota?

South Dakota does not publish an official statewide DTI average, but we can estimate it from housing costs. The median home price in South Dakota is $320K, and the median household income is $76,881/year ($6,407/month). A buyer purchasing the median home with a 10% down payment at 6.65% would have a monthly PITI of approximately $2,303 — implying a front-end DTI of roughly 36%. This falls within standard lending guidelines of 28–36%.

What DTI do mortgage lenders require in South Dakota?

Mortgage lenders in South Dakota (and nationally) use two DTI limits: a front-end ratio of 28% (housing costs only ÷ gross income) and a back-end ratio of 36–43% (all monthly debt payments ÷ gross income). For South Dakota's median income of $76,881/year, the 28% front-end limit allows $1,794/month for housing (PITI), and the 36% back-end limit allows $2,307/month total for all debts. Conventional loans (Fannie Mae/Freddie Mac) allow up to 45% DTI with strong compensating factors like large down payments or high credit scores.

Can I afford the median home in South Dakota on the median income?

At South Dakota's median home price of $320K and median household income of $76,881/year, a buyer with 10% down at 6.65% would have a monthly PITI of ~$2,303 — a front-end DTI of 36%. This slightly exceeds the strict 28% guideline but falls within the 36% back-end limit — qualifying may require no other significant debts.

How does cost of living affect DTI in South Dakota?

South Dakota's cost of living index of 91.8 (national average = 100) affects DTI by influencing how much of your income goes to non-housing expenses. South Dakota's cost of living is close to the national average, so standard DTI guidelines apply without major adjustments for local conditions.

How can I lower my DTI ratio in South Dakota?

To lower your DTI before applying for a mortgage or loan in South Dakota: (1) Pay off or pay down high-balance revolving debt (credit cards) — this reduces monthly minimums. (2) Avoid taking on new debt for 6–12 months before applying. (3) Increase income via a raise, part-time work, or documented rental income. (4) Make a larger down payment to reduce the mortgage amount. (5) Target a less expensive home — in South Dakota, the price-to-income ratio is 4.2×, which is manageable for qualified buyers.

Data Sources & Methodology

Median home prices from National Association of Realtors. Median household income from U.S. Census Bureau ACS. Property tax rates from Tax Foundation. Mortgage rates from Freddie Mac PMMS. DTI guidelines based on Fannie Mae Selling Guide and CFPB Qualified Mortgage standards. Last updated 2026.

Learn the formula: Debt-to-Income Ratio Explained →

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