Mortgage Rates in Chinook, Montana — May 2026
Updated May 2026 | Based on Chinook market data and regional lending conditions
Chinook is a smaller Montana community of 17,544 where the housing market reflects local economic conditions. The current 30-year fixed rate here is 6.84% (0.75% above the national average). At a median home price of $235,000, the estimated $1,376/month payment (with 20% down) is affordable on the local median income of $70,000.
Whether you call it a 30-year mortgage, 30-year home loan, 30-year house loan, or 30-year mortgage loan, the underlying product is the same: a fixed-rate amortizing loan paid over 360 months. In Chinook, MT, the current 30-year rate is 6.84%. Shorter terms (15-year fixed at 6.06% or 20-year fixed, typically priced between the 15- and 30-year) reduce total interest paid but increase monthly payments — see our 15-year vs 30-year comparison for the math. Government-backed options include FHA loans (6.55%) and VA loans (6.3%), often available at lower rates with reduced down payment requirements.
Current Mortgage Rates in Chinook, MT
Below are the current average mortgage rates available in the Chinook area as of May 2026. Rates vary by lender, credit score, and loan-to-value ratio. Use our free calculator above to see your personalized estimate.
| Loan Type | Rate | National Avg | Difference |
|---|---|---|---|
| 30-Year Fixed | 6.84% | 6.09% | +0.75% |
| 15-Year Fixed | 6.06% | 5.58% | +0.48% |
| 5/1 ARM | 6.3% | 5.95% | +0.35% |
| FHA | 6.55% | 5.85% | +0.7% |
| VA | 6.3% | 5.65% | +0.65% |
| Jumbo | 7.09% | 6.25% | +0.84% |
Chinook Housing Market Overview
At $235,000, Chinook offers more affordable housing than most U.S. metros. The local cost of living index is 94.7 (100 = national average), and the median household income of $70,000 provides comfortable purchasing power in this market.
Monthly Payment Breakdown for Chinook
Based on the median home price of $235,000 with 20% down ($47,000), here is what you can expect to pay monthly in Chinook:
15-Year vs. 30-Year Mortgage in Chinook
Choosing a 15-year mortgage in Chinook at 6.06% instead of a 30-year at 6.84% would save you $156,420 in total interest over the life of the loan. However, your monthly payment would be $1,593 instead of $1,231 — an increase of $362 per month.
Calculate Your Chinook Mortgage Payment
Use our free calculator to get a personalized estimate based on your loan amount, interest rate, and term.
Open Free CalculatorMethodology & Mortgage Data Sources for Chinook
How we calculate Chinook mortgage rates and payments: Rate data combines Freddie Mac Primary Mortgage Market Survey (PMMS), MBA Weekly Applications Survey, and FRED-published Treasury yields. Local variation in Chinook reflects regional conforming loan limits set by FHFA and state-level title insurance / closing cost differences.
- Base rates sourced from Freddie Mac PMMS — the longest-running mortgage rate survey in the US, published every Thursday.
- Local adjustment for Chinook reflects Montana state-level lender competition, FHFA conforming loan limits (Chinook county-level), and regional risk premiums.
- Monthly payment calculation uses the standard amortization formula: M = P × [r(1+r)^n] / [(1+r)^n - 1]. Property tax estimates use Montana effective property tax rate; PMI applies to LTV >80% per Fannie Mae guidelines.
- Affordability follows the 28/36 rule (housing costs ≤ 28% gross, total debt ≤ 36%) standard in mortgage underwriting.
Authoritative data sources:
- Freddie Mac Primary Mortgage Market Survey — weekly US mortgage rate benchmark
- FRED — 30-Year Fixed Rate Mortgage — Federal Reserve historical rate data
- FHFA Conforming Loan Limits — county-level conforming/jumbo cutoffs
- CFPB — Owning a Home — consumer mortgage guidance from federal consumer agency
- HUD — Housing Programs — FHA, VA loan requirements and limits
- U.S. Census — Chinook QuickFacts — local home values, ownership rates
Disclaimer: Rate quotes shown are based on weekly published averages and are for informational use only — they are not loan offers. Your actual rate depends on credit score, loan-to-value, debt-to-income ratio, occupancy, and lender-specific factors. Get personalized quotes from at least 3 licensed lenders before committing. Use the CFPB Rate Explorer to compare offers.
Reviewed by Brazora Monk · Last updated 2026 · Rate data updated weekly with Freddie Mac PMMS releases
Frequently Asked Questions About Mortgages in Chinook
What are the current mortgage rates in Chinook, MT?
As of May 2026, the average 30-year fixed mortgage rate in Chinook, Montana is 6.84%, while the 15-year fixed rate is 6.06%. FHA loans average 6.55% and VA loans 6.3%. These rates are 0.75% above the national average of 6.09%.
How much is a monthly mortgage payment in Chinook?
Based on the median home price of $235,000 with 20% down, the estimated monthly mortgage payment in Chinook is $1,231 for principal and interest. Including property taxes of $145/month, the total monthly housing cost is approximately $1,376.
What income do I need to buy a home in Chinook?
Using the 28% rule, you would need an annual income of approximately $58,971 to afford the median-priced home in Chinook at $235,000. The median household income in Chinook is $70,000. The median income is currently sufficient to meet this threshold.
Is Chinook a good place to buy a home in 2026?
Chinook offers a below-average cost of living with a cost of living index of 94.7 (national average = 100). The property tax rate in Montana is 0.74%, which is below the national average. Chinook has a population of 17,544 and offers a very affordable lifestyle.
Mortgage Rates in Other Montana Cities
Related Tools & Guides
📊 Sources & Methodology
- 30-yr/15-yr fixed rates: Freddie Mac Primary Mortgage Market Survey (PMMS), weekly national average adjusted for Montana regional spread.
- Median home price: $235,000 sourced from Redfin / Zillow real estate listings (2026 data).
- Property tax rate: 0.74% effective rate per Tax Foundation 2026 state property tax data.
- Median household income: $70,000 per US Census Bureau ACS 5-year estimate.
- Calculations: standard amortization formula M = P[r(1+r)^n] / [(1+r)^n − 1], with r = monthly rate, n = 360 months, P = loan amount (80% of home price).
Last updated: May 2026. Rates are approximate averages based on regional lending data for the Chinook, Montana area. Individual rates may vary by lender, credit score, loan amount, and other factors. Use our free calculator for a personalized estimate.