Daylight through the yearLongest day (Jun 21): 15 h 9 min5:47 am – 8:57 pmShortest day (Dec 21): 9 h 12 min7:42 am – 4:54 pm
Sun todaySunrise –Sunset –
People1,697 residentsin the ZIP code areaMedian age 50.4740 householdsMedian household income $76,371Median home value $152,300Median rent $950 a month79% of homes owner-occupiedMedian property tax $1,780 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting0.9% unemployment rate60% of adults are in the labour force, 840 employedMain industries: education and health care 27%, retail 10%, farming, forestry and mining 10%Average commute 23 minutes73% drive alone, 7% car-pool, 4% walk or cycle, 15% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages23% of adults have a bachelor's degree or higher95% finished high school, 9% 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 64°FColdest month January: highs 30°F, lows 12°F36 in of rain a year, on about 59 dayswettest month May28 in of snow a year, on about 17 days20 days above 90°F, 148 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Oakland station, 14 mi away
Nearby landmarksCold Springslake · 5.0 miSource: USGS Geographic Names Information System
Parks and public landsCocklin Fish Farmpark · 1.8 miCold Springs State Parkpark · 4.7 mi · 107 acresViking Lake State Parkstate park · 17.4 mi · 1,093 acresLake Anita State Parkstate park · 22.1 mi · 934 acresPrairie Rose State Parkstate park · 25.8 mi · 728 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 3.5 on 16 Jul 200447 mi away, near Riverton, IowaMost recent: magnitude 3.5 on 16 Jul 200447 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively LowCass County, IA, compared with all US countiesHigher-risk hazardsDrought Relatively HighSource: FEMA National Risk Index (county level)
Air quality69% of days had good air in 2025253 of 365 days measured111 moderate, 1 unhealthy for sensitive groups daysMedian index 43, worst day 133main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, nearest monitors: Montgomery County, IA, 14 mi away
Internet at home84% of households have a broadband subscription75% have cable, fibre or DSL8% rely on a mobile data plan alone10% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterGriswold Water Supplyserves 1,008 people from ground waterNo health-based violations since 20214 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation1,105 ft337 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalCass County Memorial Hospital14.0 miPost officeGriswold Post Officeunder a mileTown hallGriswold City Hall1.0 miFire stationGriswold Volunteer Fire and Rescueunder a mileSource: USGS National Structures Dataset
SchoolsWithin 2 mi1 school1 middleMiddleGriswold Middle / High School1.0 miCollegeSouthwestern Community College - Red Oak Center14.7 miSource: USGS National Structures Dataset
Getting aroundAirportEppley Airfield OMA40 miInterstateI-8019 miUS highwayUS 485.7 miAmtrakCreston, IA CRN42 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 51535 ZIP area.
