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Petroleum County

CountyThe kind of area this report covers. Neighborhood areas nest inside each other, from broad districts down to small pockets.Montana
$107K
Median sale priceThe middle sale price each month, counting normal open-market sales. The average runs above the median when a few expensive sales pull it up. Bars show how many homes sold.
1
Sales (12 mo)How many homes sold here in the last 12 months. More sales make the other numbers more reliable.

Deed records through Jul 2026 · Quarterly intervals (lower sales volume)Counties take time to publish deeds, so the newest months can be incomplete and may shift as more records arrive.

Housing Stock

HomesHow many homes we have records for in this area.405
Median sizeThe middle home size here, measured in square feet.1,248 ft²
Median bedroomsThe middle bedroom count for homes here.3
Median year builtThe middle build year for homes here. A recent year means most housing is newer.1978
Single familyThe share of homes here that are single-family houses.21%

Equity & Ownership

Owner occupiedThe share of homes lived in by their owner rather than rented out or left empty.12%
Company ownedThe share of homes owned by a company or trust instead of a person.22%
Typical ownership tenureHow long the typical owner here has held their home.25.8 yrs

CommunityThese are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.102
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.20

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.67%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.535
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.0 / mi²
Median household incomeThe middle household income here — half of households earn more, half earn less.$60K
Average household incomeThe average household income. It runs higher than the median when a few high earners pull it up.$75K
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.13 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.62%

About the Petroleum County market

What is the median home price in Petroleum County, MT?

The median sale price in Petroleum County, MT is $107,103 (data through July 2026), based on deeds recorded with the county.

How many homes sell in Petroleum County, MT each year?

1 homes sold in Petroleum County, MT over the last 12 months (data through July 2026). TopHap counts recorded arm's-length deeds, not listings, so the figure is not affected by which brokerage handled the sale.

How many homes are there in Petroleum County, MT?

Petroleum County, MT contains 405 residential properties, with a median of 1,248 square feet, 3 bedrooms, built around 1978.

Do people own or rent in Petroleum County, MT?

12% of homes in Petroleum County, MT are owner-occupied. 22% are held by a company rather than an individual.

Browse addresses

Every street and address TopHap holds is browsable by state, county and city. Browse Montana property records.

Explore Petroleum County on the map

See every recorded sale, price heat map, school zone and flood overlay across Petroleum County in TopHap’s interactive 3D map.

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A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
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