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Brookings County Conventional Mortgage Calculator

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

Loan Details

Brookings County, SD Benchmarks

Conventional averages
Typical Property Value$424,177
Average Down Payment23.8%
Average Interest Rate6.922%
Effective Tax Rate1.11%
Median Tax Paid$2,981/yr
Tax Growth (Historical)+3.5%
Based on 401 regional loans totaling $91,395,000 (HMDA database).
$
%

$100,954 down · $323,223 financed

%
yrs
$

Paid directly to principal

Payoff estimated June 2056

Local & Recurring Costs

%

$392 / month

$

Annual premium

$

Per month

%

Not required at 20%+ down

Estimated Monthly Payment

$2,675/mo

  • Principal & Interest$2,133
  • Property Tax$392
  • Home Insurance$150
Amortization · Remaining Balance

Loan Amount

$323,223

Total Interest

$444,683

Total of Payments

$767,906

Local Market Insights

Brookings County Conventional Mortgage Overview

In Brookings County, the 23.77% average down payment on a Conventional loan reflects strong buyer equity and credit profiles. This level typically eliminates the need for Private Mortgage Insurance (PMI), as the median Loan-to-Value (LTV) ratio of 76.23% is well below the 80% threshold. For a conventional mortgage with property taxes, the effective 1.11% tax rate adds roughly $392 monthly to a $424,177 property. The 3.5% inflation-adjusted tax increase will gradually raise carrying costs. This data, reflecting 100% owner-occupied purchases, indicates a low-risk market for conventional borrowers in Brookings County.

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.