Daylight through the yearLongest day (Jun 21): 15 h 8 min5:25 am – 8:32 pmShortest day (Dec 21): 9 h 14 min7:18 am – 4:32 pm
Sun todaySunrise –Sunset –
People4,112 residentsin the ZIP code areaMedian age 50.21,873 householdsMedian household income $102,950Median home value $395,900Median rent $2,424 a month71% of homes owner-occupiedMedian property tax $6,736 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting0.8% unemployment rate67% of adults are in the labour force, 2,340 employedMain industries: education and health care 27%, transport, warehousing and utilities 12%, professional and business services 11%Average commute 28 minutes84% drive alone, 3% car-pool, 4% take public transport, 9% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages47% of adults have a bachelor's degree or higher97% finished high school, 18% hold a graduate degreeLanguages at home: English only 77%, Spanish 7%, Russian or other Slavic 7%, Arabic 4%9% speak English less than very wellSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month July: highs 84°F, lows 64°FColdest month January: highs 38°F, lows 20°F48 in of rain a year, on about 79 dayswettest month June28 in of snow a year, on about 8 days14 days above 90°F, 121 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Wanaque Raymond Dam station, 4 mi away; snow from Oak Ridge Rsvr
Nearby landmarksPines Lakelake · 2.6 miEast Lakelake · 2.6 miPassaic County Community College - Wanaque Academic Centercollege · 1.8 miWanaque Riverriver · 1.3 miFederal Hillpeak · under a milePequannock Riverriver · 2.4 miSource: USGS Geographic Names Information System
Parks and public landsFreedom and Independence Parksrecreation area · under a mileAquatic Parkpark · 1.2 miDivision of Parks and Forestry Parkstate park · 3.8 miPyramid Mountain State Parkstate park · 4.1 mi · 73 acresBuck Mountainstate park · 5.1 mi · 880 acresDivision of Parks and Forestry Conservation Areastate conservation land · 3.9 miSource: USGS Protected Areas Database (PAD-US)
Earthquakes12 of magnitude 3 or more within 50 miles since 19701 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 4.8 on 5 Apr 202431 mi away, 2024 Tewksbury, New JerseyMost recent: magnitude 3.0 on 3 Aug 202517 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 home95% of households have a broadband subscription84% have cable, fibre or DSL9% rely on a mobile data plan alone3% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterMountain Lakes Water Depserves 4,012 people from ground waterNo health-based violations since 20218 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation314 ft96 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalChilton Medical Center2.6 miPost officeRiverdale Post Officeunder a mileTown hallRiverdale Borough Hallunder a milePoliceRiverdale Police Departmentunder a mileFire stationRiverdale Volunteer Fire Departmentunder a mileSource: USGS National Structures Dataset
SchoolsWithin 2 mi14 schools3 elementary, 2 middle, 4 high, 5 otherSchoolRiverdale Public Schoolunder a mileSchoolSamuel R Donald School1.2 miMiddleRichard Butler Middle School1.2 miCollegePassaic County Community College - Wanaque Academic Center1.8 miSource: USGS National Structures Dataset
Getting aroundAirportTeterboro Airport TEB17 miMajor airportNewark Liberty International Airport EWR23 miInterstateI-287under a mileUS highwayUS 2021.8 miAmtrakPenn Station NWK20 miRailLINCOLN PARKNJ TRANSIT5.0 miCoachYawpo Rd & Raritan Rd Park and RideShortLine Hudson4.3 miTransit27 stops within a mileNJ TRANSITSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 07457 ZIP area.