Daylight through the yearLongest day (Jun 21): 15 h 24 min5:44 am – 9:08 pmShortest day (Dec 21): 8 h 58 min7:53 am – 4:52 pm
Sun todaySunrise –Sunset –
People1,007 residentsin the ZIP code areaMedian age 37.1411 householdsMedian household income $71,016Median home value $240,700Median rent $531 a month74% of homes owner-occupiedMedian property tax $1,952 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting9.3% unemployment rate82% of adults are in the labour force, 588 employedMain industries: education and health care 26%, retail 16%, manufacturing 13%Average commute 14 minutes82% drive alone, 4% car-pool, 3% walk or cycle, 10% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages8% of adults have a bachelor's degree or higher94% finished high school, 2% hold a graduate degreeLanguages at home: English only 100%Source: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month July: highs 85°F, lows 62°FColdest month January: highs 25°F, lows 6°F29 in of rain a year, on about 57 dayswettest month June35 in of snow a year, on about 17 days19 days above 90°F, 169 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Rock Rapids station, 10 mi away
Nearby landmarksLittle Rock Riverriver · 2.6 miSource: USGS Geographic Names Information System
Parks and public landsRock Valley Sports Complexrecreation area · 6.7 miWinterfield Boat and Fishpark · 6.8 miBig Sioux River Wildlife Management Areastate conservation land · 13.6 mi · 1,386 acresBig John's State Wildlife Management Areastate conservation land · 14.4 mi · 66 acresWatershed Lakestate recreation area · 17.7 mi · 79 acresNewton Hillsstate recreation area · 18.3 mi · 985 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 202344 mi away, near Wakonda, South DakotaMost recent: magnitude 3.0 on 10 Dec 202344 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Very LowLyon County, IA, compared with all US countiesHighest-rated hazardsHail Relatively ModerateDrought Relatively ModerateSource: 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, 39 mi away
Internet at home90% of households have a broadband subscription68% have cable, fibre or DSL23% rely on a mobile data plan alone6% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterLyon-sioux Rws-doonserves 1,765 people from ground waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation1,380 ft421 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalHegg Memorial Hospital7.3 miPost officeDoon Post Office1.4 miTown hallDoon City Office1.4 miPoliceRock Valley Police Department7.5 miFire stationDoon Fire Department1.4 miSource: USGS National Structures Dataset
