Petroleum County, Montana home prices
Typical home $189,964 · +2.8% in a year · property tax 0.6%
The typical home in Petroleum County is worth $189,964, 59% less than the Montana typical home ($467,275). Values changed +2.8% in the past year and +35.0% over five years. Homeowners here pay a median 0.6% of their home's value in property tax each year ($1,142 on the typical home), versus 0.69% statewide.
Mortgage on the typical Petroleum County home
| Down payment | Cash down | Loan | Principal + interest | PMI / MIP | Tax + insurance | Total / month | Income needed |
|---|---|---|---|---|---|---|---|
| 20% down | $37,993 | $151,971 | $1,022 | $0 | $190 | $1,212 | $52,000 |
| 10% down | $18,996 | $170,967 | $1,150 | $71 | $190 | $1,412 | $60,500 |
| 5% down | $9,498 | $180,465 | $1,214 | $75 | $190 | $1,479 | $63,400 |
| 3.5% down (FHA) | $6,649 | $186,523 | $1,255 | $84 | $190 | $1,529 | $65,500 |
Assumes a 30-year fixed loan at 7.11%, property tax of 0.6% of the home value a year, homeowners insurance of 0.6% a year, PMI of 0.5% of the loan a year when the down payment is under 20%, and FHA mortgage insurance of 0.55% a year plus a 1.75% upfront premium added to the loan. Your rate, taxes and insurance will differ.
What it takes: see what you can afford by salary in Montana.
Montana counties with similar prices
| County | Typical home | 1-yr change | Tax rate |
|---|---|---|---|
| Fallon County | $191,717 | +7.9% | 0.5% |
| Valley County | $193,649 | +11.6% | 1.18% |
| Wheatland County | $182,100 | +11.3% | 0.56% |
| Dawson County | $199,650 | +8.0% | 1.14% |
| Toole County | $179,923 | +2.2% | 0.87% |
| Sheridan County | $175,449 | +10.1% | 1.23% |
| Liberty County | $205,277 | -1.7% | 0.93% |
| Wibaux County | $210,481 | +10.2% | 0.61% |
| Phillips County | $212,750 | +5.0% | 0.78% |
| Blaine County | $214,696 | +2.5% | 1.34% |
Frequently asked questions
What is the average home price in Petroleum County, MT?
The typical home value in Petroleum County is $189,964 (Zillow Home Value Index, September 2026).
How much do you need to earn to buy a house in Petroleum County?
About $52,000 a year for the typical home with 20% down at a 7.11% 30-year rate.
What is the property tax rate in Petroleum County?
The median effective rate is 0.6% of home value a year (Census ACS 2024 5-year estimates).