Local servicesHospitalMayo Clinic Health System Cannon Falls6.3 miPost officeDennison Post Office2.8 miTown hallLeon Town Hall7.8 miPoliceCannon Falls Police Department7.8 miFire stationNerstrand Fire and Rescue6.6 miSource: USGS National Structures Dataset
Daylight through the yearLongest day (Jun 21): 15 h 33 min5:27 am – 9:00 pmShortest day (Dec 21): 8 h 50 min7:44 am – 4:35 pm
Sun todaySunrise –Sunset –
People931 residentsin the ZIP code areaMedian age 50.3398 householdsMedian household income $91,071Median home value $316,300Median rent $1,337 a month87% of homes owner-occupiedMedian property tax $2,951 a yearSource: US Census Bureau, American Community Survey 2019-2023
Work and commuting3.6% unemployment rate67% of adults are in the labour force, 506 employedMain industries: education and health care 20%, farming, forestry and mining 15%, manufacturing 11%Average commute 32 minutes82% drive alone, 2% car-pool, 15% work from homeSource: US Census Bureau, American Community Survey 2019-2023, ZIP area
Education and languages28% of adults have a bachelor's degree or higher92% finished high school, 7% hold a graduate degreeLanguages at home: English only 99%, Tagalog 1%Source: US Census Bureau, American Community Survey 2019-2023, ZIP area
ClimateWarmest month July: highs 82°F, lows 61°FColdest month January: highs 23°F, lows 5°F35 in of rain a year, on about 66 dayswettest month June43 in of snow a year, on about 21 days9 days above 90°F, 168 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Faribault station, 16 mi away
Nearby landmarksLake Byllesbylake · 7.0 miLake Fredricksonlake · 7.1 miLittle Cannon Riverriver · 7.8 miCarleton Collegecollege · 9.1 miCannon River Reservoirreservoir · 9.5 miSource: USGS Geographic Names Information System
Parks and public landsWarsaw State Wildlife Management Areastate conservation land · 1.7 mi · 231 acresNerstrand Big Woods State Parkstate park · 7.1 mi · 1,630 acresPrairie Creek Woods State Scientific and Natural Areastate conservation land · 6.8 mi · 80 acresLake Byllesby Parkpark · 6.8 mi · 69 acresGemini State Aquatic Management Area (Goodhue)state conservation land · 7.6 mi · 82 acresHannahs Bend Parkpark · 7.7 miSource: USGS Protected Areas Database (PAD-US)
EarthquakesNone of magnitude 3 or more within 50 miles since 1970Source: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively LowGoodhue County, MN, compared with all US countiesHighest-rated hazardsStrong wind Relatively ModerateHail Relatively ModerateSource: FEMA National Risk Index (county level)
Air quality90% of days had good air in 2025214 of 239 days measured25 moderate daysMedian index 38, worst day 97main pollutant: ozoneSource: US EPA Air Quality Index, Goodhue County monitors, MN
Internet at home85% of households have a broadband subscription39% have cable, fibre or DSL22% rely on a mobile data plan alone12% have no internet at homeSource: US Census Bureau, American Community Survey 2019-2023
Drinking waterDennisonserves 220 people from ground water3 health-based violations since 2021latest Oct 2025: Gross Alpha, Excl. Radon and U, maximum contaminant level3 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation1,129 ft344 m above sea levelSource: USGS 3D Elevation Program
