Daylight through the yearLongest day (Jun 21): 16 h 3 min5:29 am – 9:32 pmShortest day (Dec 21): 8 h 23 min8:16 am – 4:38 pm
Sun todaySunrise –Sunset –
People44 residentsin the ZIP code areaMedian age 64.829 householdsMedian household income $45,625Median home value $275,00083% of homes owner-occupiedMedian property tax $1,222 a yearSource: US Census Bureau, American Community Survey 2020-2024
ClimateWarmest month July: highs 80°F, lows 52°FColdest month December: highs 35°F, lows 16°F15 in of rain a yearwettest month May48 in of snow a year, on about 32 days9 days above 90°F, 169 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Bynum 4 Sse station, 3 mi away; snow from Choteau
Parks and public landsBynum Reservoir Fishing Access Sitestate recreation area · 3.7 mi · 287 acresEureka Reservoir Fishing Access Sitestate recreation area · 6.0 miArod Lake Fishing Access Sitestate recreation area · 13.0 miSource: USGS Protected Areas Database (PAD-US)
Earthquakes20 of magnitude 3 or more within 50 miles since 19701 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 4.2 on 17 Mar 198335 mi away, near Augusta, MontanaMost recent: magnitude 3.0 on 20 Jan 202542 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Very LowTeton County, MT, compared with all US countiesHighest-rated hazardsAvalanche Relatively ModerateCold wave Relatively ModerateSource: FEMA National Risk Index (county level)
Air quality97% of days had good air in 2025269 of 277 days measured8 moderate daysMedian index 12, worst day 92main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, Teton County monitors, MT
Internet at home97% of households have a broadband subscription76% have cable, fibre or DSL14% rely on a mobile data plan alone3% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterBynum - Teton Co W & S Districtserves 100 people from ground waterNo health-based violations since 20216 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation3,962 ft1,208 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalBenefis Teton Medical Center12.0 miPost officeBynum Post Officeunder a mileFire stationPendroy Fire and Rescue7.5 miSource: USGS National Structures Dataset
SchoolsWithin 2 mi1 school1 otherSchoolBynum Schoolunder a mileSource: USGS National Structures Dataset
Getting aroundAirportGreat Falls International Airport GTF55 miInterstateI-15 Bus21 miUS highwayUS 891.1 miAmtrakShelby, MT SBY43 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 59419 ZIP area.
