Daylight through the yearLongest day (Jun 21): 15 h 12 min5:37 am – 8:49 pmShortest day (Dec 21): 9 h 10 min7:34 am – 4:44 pm
Sun todaySunrise –Sunset –
People1,365 residentsin the ZIP code areaMedian age 35.9518 householdsMedian household income $91,061Median home value $186,200Median rent $831 a month82% of homes owner-occupiedMedian property tax $2,053 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting3.1% unemployment rate70% of adults are in the labour force, 709 employedMain industries: manufacturing 24%, education and health care 17%, construction 13%Average commute 20 minutes82% drive alone, 7% car-pool, 3% walk or cycle, 6% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages22% of adults have a bachelor's degree or higher97% finished high school, 3% 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 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, 12 mi away
Nearby landmarksLake Pla-Morlake · 7.8 miSource: USGS Geographic Names Information System
Parks and public landsBeyer's Bridge Skunk River Accespark · 5.7 mi · 139 acresRock Creek State Parkstate park · 9.0 mi · 460 acresMillgrove Accessstate recreation area · 9.8 mi · 168 acresKellogg Wildlife Management Areastate conservation land · 9.0 mi · 70 acresLake Red Rockstate recreation area · 13.0 mi · 161 acresLandmark Exhibitstate historic site · 13.5 miSource: USGS Protected Areas Database (PAD-US)
EarthquakesNone of magnitude 3 or more within 50 miles since 1970Source: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively LowJasper 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, 37 mi away
Internet at home89% of households have a broadband subscription82% have cable, fibre or DSL6% rely on a mobile data plan alone9% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterSully Muni Water Worksserves 900 people from ground water purchasedNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation884 ft269 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalPella Regional Health and Medical Center10.8 miPost officeSully Post Office1.4 miTown hallSully City Hall1.4 miFire stationSully Rural Fire Department and Ambulance1.4 miSource: USGS National Structures Dataset
Getting aroundAirportDes Moines International Airport DSM41 miInterstateI-808.1 miUS highwayUS 69.5 miAmtrakOttumwa, IA OTM45 miCoachGrinnellGreyhound12 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 50251 ZIP area.
