Daylight through the yearLongest day (Jun 21): 14 h 55 min5:43 am – 8:38 pmShortest day (Dec 21): 9 h 26 min7:24 am – 4:50 pm
Sun todaySunrise –Sunset –
People17,185 residentsin the ZIP code areaMedian age 45.55,678 householdsMedian household income $250,001Median home value $1,310,200Median rent $3,500+ a month95% of homes owner-occupiedMedian property tax $10,000+ a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting3.7% unemployment rate63% of adults are in the labour force, 7,947 employedMain industries: professional and business services 35%, education and health care 18%, finance, insurance and real estate 11%Average commute 33 minutes49% drive alone, 3% car-pool, 2% take public transport, 43% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages86% of adults have a bachelor's degree or higher99% finished high school, 51% hold a graduate degreeLanguages at home: English only 71%, other Indo-European languages 11%, Chinese 8%, Spanish 3%5% speak English less than very wellSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month July: highs 84°F, lows 67°FColdest month January: highs 42°F, lows 23°F44 in of rain a year, on about 77 dayswettest month May19 in of snow a year, on about 8 days13 days above 90°F, 99 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Vienna station, 8 mi away
Nearby landmarksGreat Fallsrapids · 2.7 miLake Werowancelake · 1.8 miLowes Islandisland · 4.2 miGreat Falls Park Visitor Centervisitor center · 2.7 miGreat Falls Tavernvisitor center · 3.0 miClagett Islandisland · 2.3 miSource: USGS Geographic Names Information System
Parks and public landsLexington Estates City Parkpark · 1.0 mi · 56 acresWindermerepark · 1.3 miISLANDS OF THE POTOMAC Wildlife Management Area - Islands of the Potomac Wildlandsstate conservation land · 2.5 mi · 457 acresGeorge Washington Memorial Parkwaynational park · 10.4 miSeneca Creek State Parkstate park · 5.8 miMckee Beshers Wmastate conservation land · 5.8 mi · 1,971 acresSource: 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 201018 mi away, near Barnesville, MarylandMost recent: magnitude 3.0 on 17 Jan 201635 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 home99% of households have a broadband subscription94% have cable, fibre or DSL4% rely on a mobile data plan alone1% 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 in the county
Elevation372 ft113 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalReston Hospital Center4.8 miPost officeGreat Falls Post Office1.2 miTown hallHerndon Municipal Center5.3 miPoliceLoudoun County Sheriff's Office Eastern Loudoun Station4.6 miFire stationFairfax County Fire and Rescue Department Station 12 Great Falls1.1 miSource: USGS National Structures Dataset
SchoolsWithin 2 mi3 schools3 elementaryElementaryGreat Falls Elementary Schoolunder a mileElementarySiena Academy1.9 miElementaryForestville Elementary School1.9 miCollegeMason in Loudoun - George Mason University Loudoun Campus4.8 miSource: USGS National Structures Dataset
Getting aroundAirportWashington Dulles International Airport IAD9.5 miInterstateI-4957.0 miUS highwayUS 299.9 miAmtrakBurke Centre, VA BCV15 miSubwayWiehle-Reston East - Wiehle Ave & Reston Station Blvd EntranceWashington Metro4.9 miCoachTysons, VA (Embassy Suites by Hilton Tysons Corner, Leesburg Pike, Vienna, VA)OurBus6.8 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 22066 ZIP area.
