Daylight through the yearLongest day (Jun 21): 15 h 8 min5:26 am – 8:33 pmShortest day (Dec 21): 9 h 13 min7:19 am – 4:32 pm
Sun todaySunrise –Sunset –
People11,160 residentsin the ZIP code areaMedian age 46.54,391 householdsMedian household income $123,271Median home value $436,900Median rent $1,387 a month86% of homes owner-occupiedMedian property tax $10,000+ a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting5.2% unemployment rate70% of adults are in the labour force, 6,171 employedMain industries: education and health care 29%, professional and business services 13%, construction 9%Average commute 42 minutes77% drive alone, 7% car-pool, 2% take public transport, 1% walk or cycle, 13% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages43% of adults have a bachelor's degree or higher95% finished high school, 15% hold a graduate degreeLanguages at home: English only 91%, Spanish 5%, Russian or other Slavic 3%, other Indo-European languages 1%3% speak English less than very wellSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month July: highs 83°F, lows 61°FColdest month January: highs 36°F, lows 19°F52 in of rain a year, on about 79 dayswettest month October28 in of snow a year, on about 8 days10 days above 90°F, 138 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Charlotteburg Rsvr station, 5 mi away; snow from Oak Ridge Rsvr
Nearby landmarksWhite Rock Lakelake · under a mileLake Hartunglake · 1.0 miMount Paulpeak · 1.3 miBowling Green Mountainpeak · 2.1 miOak Ridge Reservoirreservoir · 2.2 miSchaffers Pondsreservoir · 3.4 miSource: USGS Geographic Names Information System
Parks and public landsKittatinny Valley State Parkstate park · under a mile · 1,169 acresFarny State Parkstate park · 3.6 mi · 231 acresRockaway River Wildlife Management Areastate conservation land · 1.9 miBerkshire Valley Golf Courserecreation area · 1.5 mi · 525 acresWawayanda State Parkstate park · 4.2 miSparta Mountain Wildlife Management Areastate conservation land · 2.4 mi · 51 acresSource: 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 202426 mi away, 2024 Tewksbury, New JerseyMost recent: magnitude 3.0 on 3 Aug 202527 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively HighPassaic County, NJ, compared with all US countiesHigher-risk hazardsStrong wind Very HighLightning Very HighWinter weather Very HighRiver flooding Relatively HighSource: FEMA National Risk Index (county level)
Air quality74% of days had good air in 2025268 of 364 days measured92 moderate, 4 unhealthy for sensitive groups daysMedian index 41, worst day 115main pollutant: ozoneSource: US EPA Air Quality Index, Passaic County monitors, NJ
Internet at home97% of households have a broadband subscription88% have cable, fibre or DSL8% rely on a mobile data plan alone2% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterOak Ridge Mobile Home Parkserves 100 people from ground water1 health-based violation since 2021latest Apr 2025: lead and copper, treatment technique3 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation848 ft258 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalSaint Clare's Hospital Denville Campus9.8 miPost officeJefferson Post Officeunder a mileTown hallJefferson Township Municipal Building1.5 miPoliceJefferson Township Police Department1.5 miFire stationJefferson Township Fire Department Company 1under a mileSource: USGS National Structures Dataset
SchoolsWithin 2 mi4 schools2 elementary, 1 middle, 1 highElementaryWhite Rock Elementary Schoolunder a mileElementaryCozy Lake Elementary School1.3 miHighJefferson Township High School1.8 miCollegeJoe Kubert School of Cartoon and Graphic Art10.0 miSource: USGS National Structures Dataset
Getting aroundAirportTeterboro Airport TEB27 miMajor airportNewark Liberty International Airport EWR30 miInterstateI-808.2 miUS highwayUS 469.3 miAmtrakPenn Station NWK28 miRailDOVERNJ TRANSIT10 miCoachRockaway, NJ (Rockaway Mall, Parking lot near pole 33, which is roughly between Macys and the Hilton Garden Inn.)OurBus8.7 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 07438 ZIP area.
