Daylight through the yearLongest day (Jun 21): 15 h 13 min5:49 am – 9:02 pmShortest day (Dec 21): 9 h 9 min7:47 am – 4:56 pm
Sun todaySunrise –Sunset –
People828 residentsin the ZIP code areaMedian age 41.5351 householdsMedian household income $76,250Median home value $161,000Median rent $890 a month88% of homes owner-occupiedMedian property tax $1,870 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting1.5% unemployment rate63% of adults are in the labour force, 403 employedMain industries: education and health care 24%, manufacturing 17%, farming, forestry and mining 16%Average commute 26 minutes74% drive alone, 7% car-pool, 18% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages27% of adults have a bachelor's degree or higher97% finished high school, 8% hold a graduate degreeLanguages at home: English only 99%Source: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month July: highs 86°F, lows 62°FColdest month January: highs 29°F, lows 9°F40 in of rain a year, on about 71 dayswettest month June46 in of snow a year, on about 29 days26 days above 90°F, 165 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Little Sioux 2 Nw station, 7 mi away
Nearby landmarksRound Lakelake · 1.4 miSmith Lakelake · 3.1 miSoldier Riverriver · 4.7 miLittle Sioux Riverriver · 5.8 miLoess Hills State Forest Brent S Olson Memorial Visitor Centervisitor center · 7.9 miPelican Point State Recreation Areacampground · 9.0 miSource: USGS Geographic Names Information System
Parks and public landsRound Lake (Harrison) Wildlife Management Areastate conservation land · 1.2 mi · 436 acresMondamin Wildlife Management Areastate conservation land · 2.8 miBullard-Soldiers Bendstate recreation area · 4.4 mi · 135 acresUpper Bullard Bend Wildlife Management Areastate conservation land · 4.3 miLittle Sioux Accessstate recreation area · 5.6 miSoldier Bend Wildlife Management Areastate conservation land · 5.4 mi · 299 acresSource: USGS Protected Areas Database (PAD-US)
EarthquakesNone of magnitude 3 or more within 50 miles since 1970Source: USGS Earthquake Catalog
Natural hazardsOverall risk Very LowHarrison County, IA, compared with all US countiesHighest-rated hazardsDrought Relatively ModerateHail Relatively ModerateSource: FEMA National Risk Index (county level)
Air quality83% of days had good air in 2025196 of 236 days measured38 moderate, 2 unhealthy for sensitive groups daysMedian index 39, worst day 119main pollutant: ozoneSource: US EPA Air Quality Index, Harrison County monitors, IA
Internet at home86% of households have a broadband subscription65% have cable, fibre or DSL7% rely on a mobile data plan alone13% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterMondamin Water Supplyserves 339 people from ground waterNo health-based violations since 20212 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation1,024 ft312 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalCHI Health Missouri Valley Hospital13.4 miPost officeMondamin Post Office1.8 miTown hallMondamin Town Hall1.9 miFire stationMondamin Fire and Rescue Association1.7 miSource: USGS National Structures Dataset
SchoolsWithin 2 mi1 school1 otherSchoolWest Harrison Community School1.8 miSource: USGS National Structures Dataset
Getting aroundAirportEppley Airfield OMA30 miInterstateI-292.2 miUS highwayUS 7511 miAmtrakOmaha, NE OMA34 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 51557 ZIP area.
