Idaho Mortgage Calculator
See your monthly payment on a Idaho home, including property tax at the state average of 0.63%.
Monthly payment in Idaho
With 20% down, a 30-year loan at 6.5% and Idaho's effective property tax of 0.63%:
| Home price | Principal and interest | Property tax | Insurance (est.) | Total per month |
|---|---|---|---|---|
| $250,000 | $1,264 | $131 | $150 | $1,545 |
| $300,000 | $1,517 | $158 | $150 | $1,824 |
| $400,000 | $2,023 | $210 | $150 | $2,383 |
| $500,000 | $2,528 | $263 | $150 | $2,941 |
| $600,000 | $3,034 | $315 | $150 | $3,499 |
The 6.5% rate is an example. Current rates change weekly; see Freddie Mac for the latest average.
Property tax in Idaho
The effective property tax rate in Idaho is about 0.63% of a home's value each year. On a $400,000 home that is roughly $2,520 a year or $210 a month. Actual bills depend on county, school district and exemptions.
How Idaho property tax compares
The average effective property tax rate across states is about 0.99%. Idaho ranks number 13 of 51 from lowest to highest. States with the closest rates:
15-year or 30-year loan?
| Loan on $320,000 at 6.5% | Monthly principal and interest | Total interest |
|---|---|---|
| 30-year fixed | $2,023 | $408,142 |
| 15-year fixed | $2,788 | $181,758 |
A 15-year loan costs more each month but saves a large amount of interest. Property tax and insurance in Idaho come on top of either payment.
Frequently asked questions
How much is a $400,000 mortgage payment in Idaho?
With 20% down at 6.5% for 30 years the payment is about $2,383 a month including estimated tax and insurance.
Sources and method
Page last updated November 2026. See our editorial policy and disclaimer.