Mortgage Calculator in Duncan, OK
Calculate your monthly mortgage payment in Duncan, Oklahoma. Includes principal, interest, property taxes, insurance, and PMI.
Updated May 2026Mortgage Details — Duncan, Oklahoma
$
Down Payment
$
0.20% down · LTV 0.80%
% / year
% of home value
$
Payment Breakdown
Total Monthly Payment$2,618.84
Monthly Breakdown
Principal & Interest
$2,102.17
Property Tax
$366.67
Home Insurance
$150.00
Loan Summary
Loan Amount
$320,000.00
Total Interest
$436,781.20
Total Cost
$836,781.20
Amortization Schedule
| Year | Principal | Interest | Balance |
|---|---|---|---|
| 1 | $3,329.67 | $21,896.37 | $316,670.33 |
| 5 | $4,380.16 | $20,845.88 | $300,815.35 |
| 10 | $6,170.97 | $19,055.07 | $273,787.17 |
| 15 | $8,693.92 | $16,532.12 | $235,708.72 |
| 20 | $12,248.37 | $12,977.67 | $182,062.10 |
| 25 | $17,256.03 | $7,970.01 | $106,482.48 |
| 30 | $24,311.03 | $915.01 | $2.61 |
Progressive
State Income Tax
< 20% down
PMI Threshold
30 or 15 yr
Mortgage Term
$57,020.00
Median Income
More calculators for Duncan, Oklahoma
Related guides
Mortgage Calculator with Taxes and Insurance (PITI)
Principal, interest, property taxes, and insurance — full payment breakdown.
30-Year vs 15-Year Mortgage: Which Is Better?
Payment comparison, total interest, and break-even analysis.
Mortgage Points Explained
When to buy points, break-even calculation, and origination vs discount points.
Mortgage Calculator FAQ — Oklahoma
More Cities in Oklahoma
Explore mortgage calculations for cities near Duncan in Oklahoma:
Disclaimer: For informational purposes only. Not tax, legal, or financial advice.