Daylight through the yearLongest day (Jun 21): 15 h 7 min5:26 am – 8:34 pmShortest day (Dec 21): 9 h 14 min7:19 am – 4:33 pm
Sun todaySunrise –Sunset –
People8,380 residentsin the ZIP code areaMedian age 44.73,427 householdsMedian household income $117,298Median home value $438,600Median rent $1,734 a month91% of homes owner-occupiedMedian property tax $9,818 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting1.1% unemployment rate67% of adults are in the labour force, 4,493 employedMain industries: education and health care 26%, professional and business services 13%, manufacturing 13%Average commute 32 minutes79% drive alone, 5% car-pool, 3% take public transport, 13% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages48% of adults have a bachelor's degree or higher96% finished high school, 17% hold a graduate degreeLanguages at home: English only 86%, Spanish 6%, other Indo-European languages 4%, Russian or other Slavic 1%5% speak English less than very wellSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month July: highs 84°F, lows 62°FColdest month January: highs 36°F, lows 19°F49 in of rain a year, on about 84 dayswettest month July28 in of snow a year, on about 8 days11 days above 90°F, 127 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Andover Aeroflex Ap station, 7 mi away; snow from Oak Ridge Rsvr
Parks and public landsHopatcong State Parkstate park · 1.7 miLakeside Fieldsrecreation area · under a mileLiffy Islandpark · under a mileRockaway River Wildlife Management Areastate conservation land · 1.5 mi · 93 acresWeldon Brook Wildlife Management Areastate conservation land · 2.1 mi · 57 acresBerkshire Valley Wildlife Management Areastate conservation land · 2.1 miSource: USGS Protected Areas Database (PAD-US)
Earthquakes10 of magnitude 3 or more within 50 miles since 19701 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 4.8 on 5 Apr 202420 mi away, 2024 Tewksbury, New JerseyMost recent: magnitude 3.0 on 3 Aug 202530 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively ModerateMorris County, NJ, compared with all US countiesHigher-risk hazardsWinter weather Very HighStrong wind Relatively HighRiver flooding Relatively HighCold wave Relatively HighSource: FEMA National Risk Index (county level)
Air quality84% of days had good air in 2025275 of 326 days measured48 moderate, 3 unhealthy for sensitive groups daysMedian index 39, worst day 129main pollutant: ozoneSource: US EPA Air Quality Index, Morris County monitors, NJ
Internet at home97% of households have a broadband subscription85% have cable, fibre or DSL11% rely on a mobile data plan alone3% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterJefferson Twp W U Lk Hopserves 8,500 people from ground water8 health-based violations since 2021latest Jan 2025: lead and copper, treatment technique59 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation926 ft282 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalKindred Hospital New Jersey - Morris County5.8 miPost officeLake Hopatcong Post Officeunder a mileTown hallMount Arlington Borough Hall2.5 miPoliceNew Jersey State Police-Marine Services Bureau, Lake Hopatcong Station1.5 miFire stationJefferson Township Fire Company 2under a mileSource: USGS National Structures Dataset
SchoolsWithin 2 mi2 schools2 elementaryElementaryEllen T Briggs Elementary Schoolunder a mileElementaryArthur Stanlick Elementary School1.3 miCollegeJoe Kubert School of Cartoon and Graphic Art6.2 miSource: USGS National Structures Dataset
Getting aroundAirportTeterboro Airport TEB30 miMajor airportNewark Liberty International Airport EWR30 miInterstateI-803.9 miUS highwayUS 465.6 miAmtrakPenn Station NWK28 miRailMOUNT ARLINGTONNJ TRANSIT4.8 miCoachRockaway ExpressFullington Trailways4.7 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 07849 ZIP area.