Daylight through the yearLongest day (Jun 21): 15 h 23 min5:27 am – 8:49 pmShortest day (Dec 21): 9 h 0 min7:35 am – 4:34 pm
Sun todaySunrise –Sunset –
People673 residentsin the ZIP code areaMedian age 44.3245 householdsMedian household income $76,250Median home value $246,10092% of homes owner-occupiedMedian property tax $2,859 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting0.0% unemployment rate71% of adults are in the labour force, 365 employedMain industries: retail 39%, professional and business services 17%, education and health care 13%Average commute 20 minutes60% drive alone, 18% car-pool, 6% walk or cycle, 15% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages11% of adults have a bachelor's degree or higher97% finished high school, 0% hold a graduate degreeLanguages at home: English only 100%Source: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month July: highs 83°F, lows 61°FColdest month January: highs 26°F, lows 7°F39 in of rain a year, on about 71 dayswettest month June40 in of snow a year, on about 20 days9 days above 90°F, 162 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Postville station, 5 mi away
Nearby landmarksNorth Fork Yellow Riverriver · 3.3 miWalden Pondlake · 2.4 miSource: USGS Geographic Names Information System
Parks and public landsPostville Trailpark · 2.7 miSilver Springs Parkpark · 6.1 miMontauk State Preservestate conservation land · 6.7 miTrout River Wildlife Management Areastate conservation land · 10.3 mi · 171 acresTrout Run Wildlife Management Areastate conservation land · 13.1 mi · 106 acresVolga River State Recreation Areastate recreation area · 15.2 mi · 5,826 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 LowWinneshiek County, IA, compared with all US countiesHighest-rated hazardsHail Relatively ModerateDrought Relatively ModerateSource: FEMA National Risk Index (county level)
Air quality69% of days had good air in 2025246 of 358 days measured109 moderate, 2 unhealthy for sensitive groups, 1 unhealthy daysMedian index 37, worst day 167main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, nearest monitors: Grant County, WI, 52 mi away
Internet at home94% of households have a broadband subscription67% have cable, fibre or DSL23% rely on a mobile data plan alone1% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterCastalia Water Worksserves 145 people from ground waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation1,242 ft379 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalGundersen Palmer Lutheran Hospital and Clinics12.3 miPost officeCastalia Post Officeunder a mileTown hallPostville City Hall4.9 miPolicePostville Police Department4.9 miFire stationCastalia Fire Departmentunder a mileSource: USGS National Structures Dataset
SchoolsWithin 2 miNo schools listedCollegeNortheast Iowa Community College - Calmar Campus11.4 miSource: USGS National Structures Dataset
Distances in these cards are measured from the centre of the 52133 ZIP area.
