Local servicesHospitalGrinnell Regional Medical Center1.3 miPost officeGrinnell Post Office1.0 miTown hallGrinnell City Hall1.1 miPoliceGrinnell Police Department1.2 miFire stationGrinnell Fire Department1.2 miSource: USGS National Structures Dataset
SchoolsWithin 2 mi6 schools3 elementary, 1 middle, 1 high, 1 otherMiddleGrinnell - Newburg Middle Schoolunder a mileElementaryDavis Elementary Schoolunder a mileElementaryFairview Elementary School1.1 miCollegeGrinnell College1.2 miSource: USGS National Structures Dataset
Getting aroundAirportDes Moines International Airport DSM51 miInterstateI-803.8 miUS highwayUS 61.4 miAmtrakOttumwa, IA OTM52 miCoachGrinnellGreyhound2.4 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 50112 ZIP area.
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Local Information
Distances in these cards are measured from the centre of the 50112 ZIP area.
Daylight through the yearLongest day (Jun 21): 15 h 13 min5:36 am – 8:49 pmShortest day (Dec 21): 9 h 9 min7:34 am – 4:43 pm
Sun todaySunrise –Sunset –
People11,776 residentsin the ZIP code areaMedian age 39.54,752 householdsMedian household income $64,707Median home value $198,100Median rent $863 a month69% of homes owner-occupiedMedian property tax $2,619 a yearSource: US Census Bureau, American Community Survey 2019-2023
Work and commuting4.4% unemployment rate60% of adults are in the labour force, 5,712 employedMain industries: education and health care 38%, manufacturing 14%, retail 10%Average commute 16 minutes64% drive alone, 4% car-pool, 19% walk or cycle, 12% work from homeSource: US Census Bureau, American Community Survey 2019-2023, ZIP area
Education and languages38% of adults have a bachelor's degree or higher96% finished high school, 17% hold a graduate degreeLanguages at home: English only 94%, Spanish 2%, other Indo-European languages 1%1% speak English less than very wellSource: US Census Bureau, American Community Survey 2019-2023, ZIP area
ClimateWarmest month July: highs 83°F, lows 62°FColdest month January: highs 28°F, lows 10°F38 in of rain a year, on about 69 dayswettest month June31 in of snow a year, on about 20 days11 days above 90°F, 157 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Grinnell 3 Sw station, 2 mi away
Nearby landmarksGrinnell Collegecollege · 1.2 miLake Arborlake · 1.1 miRock Creek Lakelake · 7.0 miSource: USGS Geographic Names Information System
Parks and public landsMiller Parkpark · under a mileArbor Lake Parkpark · under a mile · 81 acresRock Creek State Parkstate park · 6.3 mi · 1,302 acresRock Creek Wildlife Management Areastate conservation land · 6.7 mi · 849 acresKellogg Wildlife Management Areastate conservation land · 8.7 mi · 70 acresMillgrove Accessstate recreation area · 13.9 mi · 168 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 LowPoweshiek County, IA, compared with all US countiesHigher-risk hazardsDrought Relatively HighSource: FEMA National Risk Index (county level)
Air quality61% of days had good air in 2025224 of 365 days measured139 moderate, 2 unhealthy for sensitive groups daysMedian index 44, worst day 136main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, nearest monitors: Polk County, IA, 44 mi away
Internet at home84% of households have a broadband subscription69% have cable, fibre or DSL13% rely on a mobile data plan alone9% have no internet at homeSource: US Census Bureau, American Community Survey 2019-2023
Drinking waterGrinnell Water Departmentserves 9,564 people from ground water13 health-based violations since 2021latest Jan 2026: Combined Radium (-226 and -228), maximum contaminant level5 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation1,012 ft308 m above sea levelSource: USGS 3D Elevation Program
