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City ZIP codes · Virginia

Herndon, VA ZIP Codes

5 ZIP codes use the postal name Herndon, Virginia (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 2 residential and 3 for PO boxes or a single organization. Median household income runs from $159,466 in 20170 to $171,372 in 20171 (Census Bureau, ACS 2020-2024). Herndon's most populous ZIP code is 20171, with 51,286 people (ACS 2020-2024); 0% of its land is in the city of Herndon.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Herndon's ZIP codes?

20170: $160k median household income20171: $171k median household income201712017020170: $160k median household income20171: $171k median household income201712017020170: $160k median household income20171: $171k median household income2017120170
The 2 residential ZIP codes named Herndon, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are Herndon's ZIP codes?

The highest median household income is in 20171 ($171,372), the lowest in 20170 ($159,466). Home values run from $647,200 in 20170 to $797,200 in 20171.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 2 residential ZIP codes of Herndon

Residential ZIP codes with the postal name Herndon, VA, largest first (ACS 2020-2024); sort by any column
County
20171 Fairfax County 51,286 4,415 $171k $797k
20170 Fairfax County 43,866 5,010 $160k $647k

Download the 5 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

PO Box and single-organization ZIP codes in Herndon

3 ZIP codes named Herndon have no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

Herndon, VA: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
20172Fairfax County
20192Fairfax County
22095Fairfax County

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do Herndon's ZIP codes reach?

Herndon's residential ZIP codes lie in Fairfax County.

Which places do Herndon's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Herndon's residential ZIP codes cover Herndon itself and 7 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

  • Difficult Run census-designated 20171
  • Dranesville census-designated 20170
  • Floris census-designated 20171
  • Franklin Farm census-designated 20171
  • Hutchison census-designated 20170
  • McNair census-designated 20171
  • Sully Square census-designated 20171

Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).

Which first three digits do Herndon's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Herndon's ZIP codes use 2 prefixes: 201 and 220.

Three-digit prefixes of Herndon's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Herndon's
PrefixSectional centerHereAll codes
201 Dulles, VA (SCF 201) 4 80
220 Northern, VA (SCF 220) 1 30

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.