Daylight through the yearLongest day (Jun 21): 15 h 9 min5:25 am – 8:34 pmShortest day (Dec 21): 9 h 13 min7:19 am – 4:32 pm
Sun todaySunrise –Sunset –
People2,743 residentsin the ZIP code areaMedian age 46.21,201 householdsMedian household income $67,404Median home value $118,200Median rent $685 a month74% of homes owner-occupiedMedian property tax $2,613 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting2.5% unemployment rate55% of adults are in the labour force, 1,185 employedMain industries: manufacturing 21%, education and health care 19%, retail 11%Average commute 28 minutes86% drive alone, 3% car-pool, 3% walk or cycle, 9% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages21% of adults have a bachelor's degree or higher93% finished high school, 8% hold a graduate degreeLanguages at home: English only 98%1% speak English less than very wellSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month July: highs 87°F, lows 65°FColdest month January: highs 34°F, lows 18°F38 in of rain a year, on about 73 dayswettest month May25 in of snow a year, on about 19 days29 days above 90°F, 121 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Lacon station, 8 mi away
Nearby landmarksMaupin Lakelake · 2.6 miWeis Lakelake · 5.0 miSource: USGS Geographic Names Information System
Parks and public landsMarshall Putnam Fairgroundsrecreation area · 5.0 miHorseshoe Duck Clubnature preserve · 6.1 mi · 354 acresMarshall State Fish and Wildlife Areastate conservation land · 7.2 mi · 6,430 acresMiller-Anderson Woods State Natural Areastate conservation land · 8.5 mi · 507 acresGeorge S. Park Memorial Woods State Natural Areastate conservation land · 8.9 mi · 81 acresDonnelley State Fish and Wildlife Areastate conservation land · 13.3 mi · 561 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes4 of magnitude 3 or more within 50 miles since 19702 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 4.2 on 28 Jun 200438 mi away, near Dayton, IllinoisMost recent: magnitude 3.6 on 15 Nov 202317 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Very LowMarshall County, IL, compared with all US countiesHighest-rated hazardsDrought Relatively ModerateStrong wind Relatively ModerateSource: FEMA National Risk Index (county level)
Air quality60% of days had good air in 2025214 of 357 days measured139 moderate, 2 unhealthy for sensitive groups, 2 unhealthy daysMedian index 45, worst day 154main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, nearest monitors: Peoria County, IL, 28 mi away
Internet at home87% of households have a broadband subscription64% have cable, fibre or DSL18% rely on a mobile data plan alone9% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterHenryserves 2,230 people from ground waterNo health-based violations since 20211 monitoring or reporting violation since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation655 ft200 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalPerry Memorial Hospital17.1 miPost officePutnam Post Office5.8 miTown hallHenry City Hall6.1 miPoliceHenry Police Department5.5 miFire stationHenry Fire Protection District5.5 miSource: USGS National Structures Dataset
Getting aroundAirportGeneral Wayne A. Downing Peoria International Airport PIA34 miMajor airportChicago Midway International Airport MDW100 miInterstateI-18011 miUS highwayUS 3417 miAmtrakPrinceton, IL PCT18 miCoachOglesby Mcdonald'SGreyhound24 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 61537 ZIP area.
