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Zip Code 22066 — Great Falls, VA

22066 is a ZIP Code associated with Great Falls, VA, located within Fairfax. The postal region supports an estimated population of 17,185 residents across Data Pending housing units, with a population density of 259.4 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.010320, -77.302580)

Data MetricLocal Statistic
Postal / Zip Code22066
Primary CityGreat Falls
State / ProvinceVA
CountyFairfax
Total Population17,185
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density259.4 people/sq mi
TimezoneAmerica/New_York

How 22066 Compares

MetricZIP 22066Fairfax CountyVA State Average
Population17,1851,173,3528,705,380
Median IncomeData PendingN/AN/A
Population Density259.4 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 20194Reston3.0 mi12,275N/A
Zip 20190Reston4.0 mi22,012N/A
Zip 20170Herndon4.7 mi43,866N/A
Zip 20164Sterling5.0 mi43,436N/A
Zip 22182Vienna5.4 mi27,783N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →