Daylight through the yearLongest day (Jun 21): 15 h 17 min5:34 am – 8:51 pmShortest day (Dec 21): 9 h 5 min7:37 am – 4:41 pm
Sun todaySunrise –Sunset –
People3,441 residentsin the ZIP code areaMedian age 38.41,361 householdsMedian household income $85,223Median home value $185,20082% of homes owner-occupiedMedian property tax $2,492 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting1.2% unemployment rate64% of adults are in the labour force, 1,692 employedMain industries: education and health care 28%, manufacturing 16%, construction 12%Average commute 25 minutes79% drive alone, 10% car-pool, 3% walk or cycle, 9% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages27% of adults have a bachelor's degree or higher95% finished high school, 6% hold a graduate degreeLanguages at home: English only 99%Source: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month July: highs 83°F, lows 62°FColdest month January: highs 26°F, lows 9°F37 in of rain a year, on about 67 dayswettest month June32 in of snow a year, on about 19 days11 days above 90°F, 155 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Grundy Ctr station, 2 mi away
Parks and public landsPioneer Trailpark · 3.4 mi · 131 acresComet Trailpark · 9.6 mi · 67 acresPine Lake State Parkstate park · 13.5 mi · 687 acresUnion Grove State Parkstate park · 15.6 mi · 309 acresFallen Rock State Preservestate conservation land · 14.7 mi · 116 acresRuby Woodlandstate recreation area · 16.7 miSource: USGS Protected Areas Database (PAD-US)
EarthquakesNone of magnitude 3 or more within 50 miles since 1970Source: USGS Earthquake Catalog
Natural hazardsOverall risk Very LowGrundy County, IA, compared with all US countiesHighest-rated hazardsDrought Relatively ModerateHail Relatively LowSource: FEMA National Risk Index (county level)
Air quality53% of days had good air in 2025195 of 365 days measured168 moderate, 1 unhealthy for sensitive groups, 1 unhealthy daysMedian index 49, worst day 158main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, nearest monitors: Black Hawk County, IA, 27 mi away
Internet at home92% of households have a broadband subscription74% have cable, fibre or DSL13% rely on a mobile data plan alone6% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterGrundy Center Water Supplyserves 2,796 people from ground water purchasedNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation1,037 ft316 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalGrundy County Memorial Hospital1.7 miPost officeGrundy Center Post Officeunder a mileTown hallGrundy Center City Hall1.2 miPoliceGrundy County Sheriff's Office1.1 miFire stationGrundy Center Fire Department1.3 miSource: USGS National Structures Dataset
SchoolsWithin 2 mi2 schools1 elementary, 1 middleMiddleGrundy Center Middle / High Schoolunder a mileElementaryGrundy Center Elementary School1.0 miSource: USGS National Structures Dataset
Getting aroundAirportWaterloo Regional Airport ALO24 miMajor airportDes Moines International Airport DSM72 miInterstateI-38026 miUS highwayUS 2011 miCoachWaterloo (Love's)Jefferson Lines21 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 50638 ZIP area.
