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Zip Code 20151 — Chantilly, VA

20151 is a ZIP Code associated with Chantilly, VA, located within Fairfax. The postal region supports an estimated population of 22,610 residents across Data Pending housing units, with a population density of 550.5 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (38.895830, -77.444530)

Data MetricLocal Statistic
Postal / Zip Code20151
Primary CityChantilly
State / ProvinceVA
CountyFairfax
Total Population22,610
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density550.5 people/sq mi
TimezoneAmerica/New_York

How 20151 Compares

MetricZIP 20151Fairfax CountyVA State Average
Population22,6101,173,3528,705,380
Median IncomeData PendingN/AN/A
Population Density550.5 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 20171Herndon3.2 mi51,286N/A
Zip 20120Centreville3.4 mi42,896N/A
Zip 22033Fairfax3.5 mi39,526N/A
Zip 20152Chantilly4.0 mi36,674N/A
Zip 22035Fairfax5.2 miN/AN/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 →