Daylight through the yearLongest day (Jun 21): 15 h 12 min5:23 am – 8:36 pmShortest day (Dec 21): 9 h 9 min7:21 am – 4:30 pm
Sun todaySunrise –Sunset –
People404 residentsin the ZIP code areaMedian age 39.8164 householdsMedian household income $70,833Median home value $153,600Median rent $796 a month73% of homes owner-occupiedMedian property tax $2,500 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting1.6% unemployment rate69% of adults are in the labour force, 244 employedMain industries: manufacturing 36%, retail 18%, education and health care 12%Average commute 23 minutes71% drive alone, 3% walk or cycle, 26% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages12% of adults have a bachelor's degree or higher98% finished high school, 2% hold a graduate degreeLanguages at home: English only 98%, German or Dutch 2%Source: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month July: highs 83°F, lows 63°FColdest month January: highs 29°F, lows 13°F37 in of rain a year, on about 66 dayswettest month June36 in of snow a year, on about 14 days14 days above 90°F, 136 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Walnut station, 10 mi away
Nearby landmarksGoose Lakelake · 4.4 miCrystal Lakelake · 8.0 miSauk Valley Community Collegecollege · 8.8 miDeer Grove (historical)woods · 8.4 miLittle Deer Grove (historical)woods · 8.6 miSource: USGS Geographic Names Information System
Parks and public landsGreen River State Wildlife Areastate conservation land · 3.4 mi · 2,529 acresCentennial Parkpark · 8.1 miSinnissippi Parkpark · 8.5 mi · 76 acresSprings Sloughstate conservation land · 9.4 mi · 455 acresMaytown State Habitat Areastate conservation land · 9.6 mi · 154 acresProphetstown State Recreation Areastate recreation area · 18.8 mi · 57 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes5 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 3.1 on 15 Jul 202444 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively LowLee County, IL, compared with all US countiesHigher-risk hazardsStrong wind Relatively HighSource: FEMA National Risk Index (county level)
Air quality69% of days had good air in 2025244 of 355 days measured105 moderate, 5 unhealthy for sensitive groups, 1 unhealthy daysMedian index 40, worst day 169main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, nearest monitors: Winnebago County, IL, 49 mi away
Internet at home93% of households have a broadband subscription43% have cable, fibre or DSL35% rely on a mobile data plan alone6% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterHarmonserves 111 people from ground waterNo health-based violations since 20219 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation676 ft206 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalCGH Medical Center10.3 miPost officeHarmon Post Office1.9 miTown hallRock Falls City Hall8.9 miPoliceRock Falls Police Department8.9 miFire stationHarmon Fire Department2.0 miSource: USGS National Structures Dataset
SchoolsWithin 2 miNo schools listedCollegeSauk Valley Community College8.8 miSource: USGS National Structures Dataset
Getting aroundAirportChicago Rockford International Airport RFD42 miMajor airportChicago O'Hare International Airport ORD87 miInterstateI-885.5 miUS highwayUS Route 305.5 miAmtrakPrinceton, IL PCT22 miCoachDixon Reagan Transit CenterGreyhound9.4 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 61042 ZIP area.
