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Polk County Conventional Mortgage Calculator

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

Loan Details

Polk County, IA Benchmarks

Conventional averages
Typical Property Value$345,524
Average Down Payment20.5%
Average Interest Rate6.737%
Effective Tax Rate1.57%
Median Tax Paid$4,396/yr
Tax Growth (Historical)-2.3%
Based on 12,253 regional loans totaling $2,177,175,000 (HMDA database).
$
%

$70,832 down · $274,692 financed

%
yrs
$

Paid directly to principal

Payoff estimated June 2056

Local & Recurring Costs

%

$452 / month

$

Annual premium

$

Per month

%

Not required at 20%+ down

Estimated Monthly Payment

$2,382/mo

  • Principal & Interest$1,780
  • Property Tax$452
  • Home Insurance$150
Amortization · Remaining Balance

Loan Amount

$274,692

Total Interest

$366,043

Total of Payments

$640,735

Local Market Insights

Polk County Conventional Mortgage Overview

In Polk County, the 20.47% average down payment on Conventional loans indicates a strong borrower credit profile, allowing most buyers to avoid Private Mortgage Insurance (PMI) from the start. With a median Loan-to-Value (LTV) of 79.53%, these owner-occupants already hold over 20% equity, eliminating the need for PMI cancellation timelines. The 1.57% effective property tax rate, combined with a -2.3% inflation-adjusted tax decrease, provides slight monthly relief for those using a Conventional mortgage with taxes in Polk County, IA. However, the 6.737% average interest rate on a $345,524 property means buyers should carefully evaluate monthly affordability, particularly when factoring in taxes for a conventional loan with PMI and taxes in Polk County, Iowa. This data reflects standard primary residence purchases, not investment properties.

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.