ZIP codeThe kind of area this report covers. Neighborhood areas nest inside each other, from broad districts down to small pockets.Montana
$328K
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.
$353K
Median valueThe middle estimated value of all homes here, not just the ones that recently sold.
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.299
Median value (AVM)The middle estimated value of all homes here, not just the ones that recently sold.$353K
Median sizeThe middle home size here, measured in square feet.960 ft²
Median bedroomsThe middle bedroom count for homes here.2
Median year builtThe middle build year for homes here. A recent year means most housing is newer.1981
Single familyThe share of homes here that are single-family houses.18%
Equity & Ownership
Equity rich (LTV ≤ 50%)The share of owners who owe half or less of what their home is worth, meaning they hold a lot of equity.93%
Underwater (LTV ≥ 125%)The share of owners who owe at least 25% more than their home is worth.0%
Owner occupiedThe share of homes lived in by their owner rather than rented out or left empty.18%
Company ownedThe share of homes owned by a company or trust instead of a person.10%
Median loan-to-valueThe middle share of home value still owed on loans across all owners here.0%
Typical ownership tenureHow long the typical owner here has held their home.20.1 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.164
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 100.166
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.88%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.239
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4 / mi²
Median household incomeThe middle household income here — half of households earn more, half earn less.$70K
Average household incomeThe average household income. It runs higher than the median when a few high earners pull it up.$92K
Average tempThe average temperature here across a full year.40°F
Annual precipHow much rain and melted snow falls here in a typical year.16 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.59%
How Basin 59631 compares
By median home value, Basin 59631 is the 5th most expensive of 5 ZIP codes in Jefferson County, and its typical home is worth more than 15% of all homes in Jefferson County.
Home values in Basin 59631
Share of homes at each estimated value.
Median
$143K$758K
ZIP codes in Jefferson County ranked by median home value
The median sale price in Basin 59631, MT is $328,400 (data through July 2026), based on deeds recorded with the county.
How many homes sell in Basin 59631, MT each year?
1 homes sold in Basin 59631, 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 Basin 59631, MT?
Basin 59631, MT contains 299 residential properties, with a median of 960 square feet, 2 bedrooms, built around 1981. The median TopHap Estimate is $353K.
How does Basin 59631, MT compare to the rest of Jefferson County?
By median home value, Basin 59631, MT is the 5th most expensive of 5 ZIP codes in Jefferson County. Its typical home is worth more than 15% of all homes in Jefferson County. Boulder 59632 ranks just above it. The ranking is rebuilt nightly from the county assessor record of every home in each area.
Do people own or rent in Basin 59631, MT?
18% of homes in Basin 59631, MT are owner-occupied. 10% are held by a company rather than an individual.
How much equity do owners in Basin 59631, MT hold?
93% of mortgaged homes in Basin 59631, MT are equity-rich, meaning the loan balance is under half the home's value. 0.0% owe more than the home is worth.