Daylight through the yearLongest day (Jun 21): 15 h 33 min5:40 am – 9:13 pmShortest day (Dec 21): 8 h 50 min7:58 am – 4:48 pm
Sun todaySunrise –Sunset –
People36 residentsin the ZIP code areaMedian age 72.218 householdsMedian household income $94,250Median home value $265,000100% of homes owner-occupiedMedian property tax $3,250 a yearSource: US Census Bureau, American Community Survey 2020-2024
ClimateWarmest month August: highs 77°F, lows 40°FColdest month December: highs 26°F, lows 6°F29 in of rain a yearwettest month December197 in of snow a year, on about 80 days3 days above 90°F, 247 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Island Park station, 6 mi away; snow from Old Faithful
Parks and public landsHenrys Lake State Parkstate park · 8.3 mi · 607 acresYellowstone National Parknational park · 13.3 mi · 36,921 acresGallatin National Forestnational forest · 10.3 mi · 55 acresHarriman State Parkstate park · 10.8 mi · 4,298 acresTarghee National Forestnational forest · 13.4 mi · 222 acresRed Rock Lakes National Wildlife Refugenational wildlife refuge · 18.5 mi · 51,348 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes447 of magnitude 3 or more within 50 miles since 197067 of magnitude 4+, 8 of magnitude 5+Largest: magnitude 5.9 on 30 Jun 197539 mi away, near Mammoth, WyomingMost recent: magnitude 3.3 on 16 Jul 202644 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Very LowFremont County, ID, compared with all US countiesHigher-risk hazardsAvalanche Relatively HighSource: FEMA National Risk Index (county level)
Air quality85% of days had good air in 2025310 of 365 days measured55 moderate daysMedian index 44, worst day 90main pollutant: ozoneSource: US EPA Air Quality Index, nearest monitors: Teton County, WY, 54 mi away
Internet at home67% of households have a broadband subscription44% have cable, fibre or DSL22% rely on a mobile data plan alone33% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterSt Anthonyserves 3,606 people from ground waterNo health-based violations since 202159 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system in the county
Elevation6,420 ft1,957 m above sea levelSource: USGS 3D Elevation Program
Local servicesPost officeMacks Inn Post Officeunder a mileTown hallIsland Park City Hall5.5 miFire stationIsland Park Fire Department Station 1under a mileSource: USGS National Structures Dataset
Getting aroundAirportYellowstone Airport WYS17 miUS highwayUS 201.1 miCoachIsland Park (Stage Stop)Salt Lake Express1.1 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 83433 ZIP area.
