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Sully County Conventional Mortgage Calculator

Adjust the sliders to model your loan in real time. We have prefilled this page with local benchmark averages for Sully County, South Dakota based on real HMDA transaction records.

Loan Details

Sully County, SD Benchmarks

Conventional averages
Typical Property Value$302,857
Average Down Payment22.1%
Average Interest Rate6.356%
Effective Tax Rate0.86%
Median Tax Paid$1,715/yr
Tax Growth (Historical)-2.0%
Based on 14 regional loans totaling $2,410,000 (HMDA database).
$
%

$66,931 down · $235,926 financed

%
yrs
$

Paid directly to principal

Payoff estimated June 2056

Local & Recurring Costs

%

$217 / month

$

Annual premium

$

Per month

%

Not required at 20%+ down

Estimated Monthly Payment

$1,837/mo

  • Principal & Interest$1,470
  • Property Tax$217
  • Home Insurance$150
Amortization · Remaining Balance

Loan Amount

$235,926

Total Interest

$293,114

Total of Payments

$529,040

Local Market Insights

Sully County Conventional Mortgage Overview

For conventional buyers in Sully County, the 22.07% down payment on a $302,857 property is a strong indicator of excellent creditworthiness. This average exceeds the 20% threshold, meaning most purchasers avoid Private Mortgage Insurance (PMI) and secure a lower monthly payment. With a median loan-to-value ratio of 77.93%, homeowners start with substantial equity. The effective property tax rate of 0.86% is manageable, and the recent -2.0% inflation-adjusted tax change further improves long-term affordability for owner-occupied homes. Those using a conventional loan with taxes in Sully County, SD benefit from this stable tax environment and strong equity position.

Disclaimer: This calculator provides estimates for educational purposes only and does not constitute a loan offer or financial advice. Actual rates, taxes, insurance, and fees will vary.