Daylight through the yearLongest day (Jun 21): 15 h 24 min5:43 am – 9:07 pmShortest day (Dec 21): 8 h 59 min7:52 am – 4:51 pm
Sun todaySunrise –Sunset –
People144 residentsin the ZIP code areaMedian age 49.559 householdsMedian household income $83,365Median home value $95,00097% of homes owner-occupiedMedian property tax $1,406 a yearSource: US Census Bureau, American Community Survey 2020-2024
Education and languages20% of adults have a bachelor's degree or higher93% finished high school, 4% hold a graduate degreeLanguages at home: English only 93%, Spanish 5%, other Asian or Pacific languages 2%Source: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month July: highs 83°F, lows 60°FColdest month January: highs 25°F, lows 5°F31 in of rain a year, on about 60 dayswettest month June41 in of snow a year, on about 25 days12 days above 90°F, 171 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Sheldon station, 6 mi away
Nearby landmarksNorthwest Iowa Community Collegecollege · 5.0 miLittle Floyd Riverriver · 6.9 miSource: USGS Geographic Names Information System
Parks and public landsHills Parkpark · 5.3 miSheldon City Parkpark · 5.8 miEd Winkel Memorial Trailstate recreation area · 16.1 mi · 80 acresSource: USGS Protected Areas Database (PAD-US)
EarthquakesNone of magnitude 3 or more within 50 miles since 1970Source: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively LowSioux County, IA, compared with all US countiesHigher-risk hazardsHail Relatively HighWinter weather Relatively HighSource: FEMA National Risk Index (county level)
Air quality81% of days had good air in 2025294 of 364 days measured66 moderate, 4 unhealthy for sensitive groups daysMedian index 36, worst day 125main pollutant: ozoneSource: US EPA Air Quality Index, nearest monitors: Minnehaha County, SD, 52 mi away
Internet at home88% of households have a broadband subscription70% have cable, fibre or DSL15% rely on a mobile data plan alone3% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterMatlock Water Supplyserves 74 people from ground water purchasedNo health-based violations since 20211 monitoring or reporting violation since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation1,405 ft428 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalSanford Sheldon Medical Center5.9 miPost officeBoyden Post Office5.2 miTown hallMatlock Town Hallunder a milePoliceSheldon Police Department6.0 miFire stationMatlock Volunteer Fire Departmentunder a mileSource: USGS National Structures Dataset
SchoolsWithin 2 miNo schools listedCollegeNorthwest Iowa Community College5.0 miSource: USGS National Structures Dataset
Getting aroundAirportSioux Falls Regional Airport FSD47 miMajor airportEppley Airfield OMA134 miInterstateI-9027 miUS highwayUS 185.4 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 51244 ZIP area.
