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Zip Code 20170 — Herndon, VA

20170 is a ZIP Code associated with Herndon, VA, located within Fairfax. The postal region supports an estimated population of 43,866 residents across Data Pending housing units, with a population density of 1,934.5 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (38.980750, -77.380420)

Data MetricLocal Statistic
Postal / Zip Code20170
Primary CityHerndon
State / ProvinceVA
CountyFairfax
Total Population43,866
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1,934.5 people/sq mi
TimezoneAmerica/New_York

How 20170 Compares

MetricZIP 20170Fairfax CountyVA State Average
Population43,8661,173,3528,705,380
Median IncomeData PendingN/AN/A
Population Density1,934.5 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 20194Reston2.0 mi12,275N/A
Zip 20164Sterling2.3 mi43,436N/A
Zip 20190Reston2.7 mi22,012N/A
Zip 20191Reston3.6 mi31,011N/A
Zip 20171Herndon4.0 mi51,286N/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 →