Daylight through the yearLongest day (Jun 21): 15 h 41 min5:40 am – 9:21 pmShortest day (Dec 21): 8 h 42 min8:06 am – 4:48 pm
Sun todaySunrise –Sunset –
People358 residentsin the ZIP code areaMedian age 63.2186 householdsMedian household income $106,389Median home value $377,30089% of homes owner-occupiedMedian property tax $2,346 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting0.0% unemployment rate56% of adults are in the labour force, 194 employedMain industries: farming, forestry and mining 26%, retail 15%, finance, insurance and real estate 15%Average commute 32 minutes64% drive alone, 4% car-pool, 32% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages35% of adults have a bachelor's degree or higher95% finished high school, 12% hold a graduate degreeLanguages at home: English only 100%Source: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month July: highs 82°F, lows 62°FColdest month January: highs 22°F, lows 4°F23 in of rain a year, on about 41 dayswettest month July36 in of snow a year, on about 25 days5 days above 90°F, 166 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Waubay Natl Wild Life station, 6 mi away
Nearby landmarksPickerel Lakelake · 2.0 miPiyas Lakelake · 5.2 miSpring Lake Overlook Trailtrailhead · 5.5 miWhitetail Way Trailtrailhead · 5.9 miParker Islandisland · 5.4 miWingate Armbay · 6.7 miSource: USGS Geographic Names Information System
Parks and public landsBlack Sloughstate conservation land · under a mile · 1,016 acresPickerel Lakestate recreation area · 2.3 mi · 391 acresPickerel Lake North Wildlife Management Areastate conservation land · 1.3 miPickerel Lake (okroi)state recreation area · 2.4 mi · 130 acresWaubay National Wildlife Refugenational wildlife refuge · 4.8 mi · 4,631 acresAspen Sloughstate conservation land · 4.1 mi · 132 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes1 of magnitude 3 or more within 50 miles since 19700 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 3.7 on 20 Oct 199529 mi away, near New Effington, South DakotaMost recent: magnitude 3.7 on 20 Oct 199529 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Very LowDay County, SD, compared with all US countiesHighest-rated hazardsWinter weather Relatively ModerateStrong wind Relatively ModerateSource: FEMA National Risk Index (county level)
Air quality78% of days had good air in 2025283 of 363 days measured76 moderate, 3 unhealthy for sensitive groups, 1 unhealthy daysMedian index 35, worst day 154main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, nearest monitors: Codington County, SD, 38 mi away
Internet at home83% of households have a broadband subscription75% have cable, fibre or DSL4% rely on a mobile data plan alone11% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterGrenvilleserves 48 people from surface water purchasedNo health-based violations since 20211 monitoring or reporting violation since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the ZIP area
Elevation1,881 ft573 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalSanford Hospital Webster15.6 miPost officeGrenville Post Office4.8 miFire stationRoslyn Volunteer Fire Department8.7 miSource: USGS National Structures Dataset
Getting aroundAirportWatertown Regional Airport ATY42 miInterstateI-2916 miUS highwayUS 1212 miCoachWebsterJefferson Lines16 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 57239 ZIP area.
