Daylight through the yearLongest day (Jun 21): 15 h 21 min5:47 am – 9:08 pmShortest day (Dec 21): 9 h 1 min7:53 am – 4:54 pm
Sun todaySunrise –Sunset –
People54 residentsin the ZIP code areaMedian age 60.530 householdsMedian household income $44,37587% of homes owner-occupiedSource: US Census Bureau, American Community Survey 2020-2024
ClimateWarmest month July: highs 85°F, lows 62°FColdest month January: highs 27°F, lows 7°F30 in of rain a year, on about 57 dayswettest month June31 in of snow a year, on about 17 days19 days above 90°F, 166 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Hawarden station, 6 mi away
Nearby landmarksHorseshoe Lakelake · 4.3 miRowan Reservoirreservoir · 7.4 miLake Nixonlake · 8.5 miSource: USGS Geographic Names Information System
Parks and public landsPetry-conwaystate conservation land · 1.2 mi · 74 acresCut Off Bendstate conservation land · 1.2 mi · 86 acresPetry Harmelinkstate conservation land · 4.4 mi · 307 acresLynottestate conservation land · 4.5 miBig Sioux County Parkpark · 4.7 miWillow Runstate conservation land · 5.5 mi · 83 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 3.0 on 10 Dec 202323 mi away, near Wakonda, South DakotaMost recent: magnitude 3.0 on 10 Dec 202323 mi awaySource: 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 quality88% of days had good air in 2025308 of 351 days measured41 moderate, 2 unhealthy for sensitive groups daysMedian index 34, worst day 117main pollutant: ozoneSource: US EPA Air Quality Index, nearest monitors: Clay County, SD, 24 mi away
Internet at home80% of households have a broadband subscription63% have cable, fibre or DSL17% rely on a mobile data plan alone20% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterSioux Center Municipal Water Departmentserves 8,231 people from ground waterNo health-based violations since 20211 monitoring or reporting violation since 2021Source: US EPA Safe Drinking Water Information System, largest system in the county
Elevation1,161 ft354 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalHawarden Regional Healthcare Medical Center6.0 miPost officeHawarden Post Office5.7 miTown hallHawarden City Offices6.0 miPoliceHawarden Police Department6.0 miFire stationHawarden Fire Department6.7 miSource: USGS National Structures Dataset
Getting aroundAirportSioux Gateway Airport / Brigadier General Bud Day Field SUX36 miMajor airportEppley Airfield OMA116 miInterstateI-2917 miUS highwayUS 7517 miCoachVermillionJefferson Lines22 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 51011 ZIP area.