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City ZIP codes · Virginia

Sterling, VA ZIP Codes

5 ZIP codes use the postal name Sterling, Virginia (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 3 residential and 2 for PO boxes or a single organization. Median household income runs from $133,401 in 20166 to $183,076 in 20165, 1.4 times as much (Census Bureau, ACS 2020-2024). Sterling's most populous ZIP code is 20164, with 43,436 people (ACS 2020-2024); 67% of its land is in the city of Sterling.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Sterling's ZIP codes?

20164: $136k median household income20165: $183k median household income20166: $133k median household income20166201652016420164: $136k median household income20165: $183k median household income20166: $133k median household income20166201652016420164: $136k median household income20165: $183k median household income20166: $133k median household income201662016520164
The 3 residential ZIP codes named Sterling, 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 Sterling's ZIP codes?

The highest median household income is in 20165 ($183,076), the lowest in 20166 ($133,401). Home values run from $544,300 in 20164 to $704,800 in 20165.

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

All 3 residential ZIP codes of Sterling

Residential ZIP codes with the postal name Sterling, VA, largest first (ACS 2020-2024); sort by any column
County
20164 Loudoun County 43,436 5,710 $136k $544k
20165 Loudoun County 34,088 3,461 $183k $705k
20166 Loudoun County 14,949 550 $133k $619k

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 Sterling

2 ZIP codes named Sterling 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.

Sterling, 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
20163Loudoun County
20167Loudoun County

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

Which counties do Sterling's ZIP codes reach?

Sterling's residential ZIP codes lie in Loudoun County.

Which places do Sterling's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Sterling's residential ZIP codes cover Sterling itself and 9 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

  • Arcola census-designated 20166
  • Ashburn census-designated 20166
  • Cascades census-designated 20165
  • Countryside census-designated 20165
  • Dulles Town Center census-designated 20166
  • Kincora census-designated 20166
  • Lowes Island census-designated 20165
  • Oak Grove census-designated 20166
  • Sugarland Run census-designated 20164

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Sterling starts with 201.

Three-digit prefixes of Sterling'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 Sterling's
PrefixSectional centerHereAll codes
201 Dulles, VA (SCF 201) 5 80

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