Daylight through the yearLongest day (Jun 21): 15 h 30 min5:53 am – 9:23 pmShortest day (Dec 21): 8 h 53 min8:08 am – 5:01 pm
Sun todaySunrise –Sunset –
People79 residentsin the ZIP code areaMedian age 34.527 households82% of homes owner-occupiedSource: US Census Bureau, American Community Survey 2020-2024
ClimateWarmest month July: highs 87°F, lows 61°FColdest month January: highs 28°F, lows 6°F23 in of rain a year, on about 44 dayswettest month June41 in of snow a year, on about 24 days27 days above 90°F, 179 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Gann Valley 4nw station, 4 mi away; rain from Gann Valley 3 Nne
Nearby landmarksVoneye Sloughreservoir · 8.9 miSource: USGS Geographic Names Information System
Parks and public landsWall Lakestate recreation area · 11.8 mi · 80 acresCurtisstate conservation land · 12.8 mi · 481 acresHawkins Game Production Areastate conservation land · 13.1 mi · 1,280 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes8 of magnitude 3 or more within 50 miles since 19701 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 4.4 on 4 Mar 198317 mi away, near Fort Thompson, South DakotaMost recent: magnitude 3.0 on 7 Feb 201434 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Very LowBuffalo County, SD, compared with all US countiesHighest-rated hazardsCold wave Relatively ModerateWildfire Relatively LowSource: FEMA National Risk Index (county level)
Air quality93% of days had good air in 2025333 of 358 days measured24 moderate, 1 unhealthy for sensitive groups daysMedian index 18, worst day 112main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, nearest monitors: Hughes County, SD, 47 mi away
Internet at home100% of households have a broadband subscription96% have cable, fibre or DSL0% rely on a mobile data plan alone0% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterAurora-brule Rural Water Systemserves 2,750 people from surface waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system in the county
Elevation1,784 ft544 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalSanford Mid - Dakota Medical Center Hospital23.7 miPost officeGann Valley Post Office7.8 miPoliceBuffalo County Sheriff7.8 miFire stationGan Valley Fire Department7.7 miSource: USGS National Structures Dataset
Getting aroundAirportPierre Regional Airport PIR61 miInterstateI-90 Bus22 miUS highwayUS 1430 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 57341 ZIP area.
