Daylight through the yearLongest day (Jun 21): 14 h 54 min5:44 am – 8:38 pmShortest day (Dec 21): 9 h 26 min7:24 am – 4:50 pm
Sun todaySunrise –Sunset –
People43,866 residentsin the ZIP code areaMedian age 35.213,583 householdsMedian household income $159,466Median home value $647,200Median rent $2,331 a month68% of homes owner-occupiedMedian property tax $6,692 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting4.1% unemployment rate75% of adults are in the labour force, 24,393 employedMain industries: professional and business services 30%, education and health care 15%, retail 8%Average commute 27 minutes56% drive alone, 13% car-pool, 3% take public transport, 2% walk or cycle, 24% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages57% of adults have a bachelor's degree or higher87% finished high school, 25% hold a graduate degreeLanguages at home: English only 54%, Spanish 25%, other Indo-European languages 9%, other Asian or Pacific languages 3%20% speak English less than very wellSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month July: highs 88°F, lows 67°FColdest month January: highs 43°F, lows 25°F43 in of rain a year, on about 74 dayswettest month May21 in of snow a year, on about 10 days33 days above 90°F, 102 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Washington Dc Dulles Ap station, 5 mi away
Nearby landmarksWashington and Old Dominion Railroad Regional Park Herndon Trailheadpark · under a mileWashington and Old Dominion Railroad Regional Park Reston Trailheadpark · 2.3 miLake Newportlake · 2.0 miMason in Loudoun - George Mason University Loudoun Campuscollege · 3.2 miNorthern Virginia Community College - Loudoun Campuscollege · 3.4 miLake Annelake · 2.5 miSource: USGS Geographic Names Information System
Parks and public landsStanton City Parkpark · under a mileRunnymede Parkpark · under a mile · 56 acresISLANDS OF THE POTOMAC Wildlife Management Area - Islands of the Potomac Wildlandsstate conservation land · 5.2 mi · 457 acresMckee Beshers Wmastate conservation land · 5.8 mi · 1,971 acresSeneca Creek State Parkstate park · 8.3 miGeorge Washington Memorial Parkwaynational park · 13.3 miSource: USGS Protected Areas Database (PAD-US)
Earthquakes2 of magnitude 3 or more within 50 miles since 19700 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 3.6 on 16 Jul 201020 mi away, near Barnesville, MarylandMost recent: magnitude 3.0 on 17 Jan 201634 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Very LowFairfax City, VA, compared with all US countiesHighest-rated hazardsHurricane Relatively LowHeat wave Relatively LowSource: FEMA National Risk Index (county level)
Air quality78% of days had good air in 2025284 of 365 days measured80 moderate, 1 unhealthy for sensitive groups daysMedian index 42, worst day 124main pollutant: ozoneSource: US EPA Air Quality Index, Fairfax County monitors, VA
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 waterFairfax County Water Authorityserves 1,121,613 people from surface waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation388 ft118 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalReston Hospital Center1.5 miPost officeHerndon Post Officeunder a mileTown hallHerndon Municipal Centerunder a milePoliceHerndon Police Department1.4 miFire stationFairfax County Fire and Rescue Department Station 4 Herndonunder a mileSource: USGS National Structures Dataset
SchoolsWithin 2 mi13 schools9 elementary, 1 middle, 1 high, 2 otherElementaryMontessori School of Herndonunder a mileElementaryHerndon Elementary Schoolunder a mileHighHerndon High Schoolunder a mileCollegeMason in Loudoun - George Mason University Loudoun Campus3.2 miSource: USGS National Structures Dataset
Getting aroundAirportWashington Dulles International Airport IAD4.8 miInterstateI-668.7 miUS highwayUS 506.9 miAmtrakBurke Centre, VA BCV13 miSubwayHerndon - 570 Herndon PkwyWashington Metro1.8 miCoachDulles Airport, VA (Metrorail station drop-off area near Main Parking Garage #1, Kiss & Fly Stop 2, stall 5. Look for the bus bay marked OurBus)OurBus4.0 miTransit73 stops within a mileFairfax Connector Bus SystemSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 20170 ZIP area.