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Zip Code 20120 — Centreville, VA

20120 is a ZIP Code associated with Centreville, VA, located within Fairfax. The postal region supports an estimated population of 42,896 residents across Data Pending housing units, with a population density of 921.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (38.855760, -77.479870)

Data MetricLocal Statistic
Postal / Zip Code20120
Primary CityCentreville
State / ProvinceVA
CountyFairfax
Total Population42,896
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density921.1 people/sq mi
TimezoneAmerica/New_York

How 20120 Compares

MetricZIP 20120Fairfax CountyVA State Average
Population42,8961,173,3528,705,380
Median IncomeData PendingN/AN/A
Population Density921.1 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 20121Centreville2.8 mi27,788N/A
Zip 20151Chantilly3.4 mi22,610N/A
Zip 20152Chantilly3.7 mi36,674N/A
Zip 20143Catharpin4.8 mi1,070N/A
Zip 20109Manassas5.0 mi45,444N/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 →