Plain

City ZIP codes · Oregon

Hillsboro, OR ZIP Codes

3 ZIP codes use the postal name Hillsboro, Oregon (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 2 residential and 1 for PO boxes or a single organization. Median household income runs from $109,985 in 97123 to $110,067 in 97124 (Census Bureau, ACS 2020-2024). Hillsboro's most populous ZIP code is 97124, with 54,357 people (ACS 2020-2024); 32% of its land is in the city of Hillsboro.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Hillsboro's ZIP codes?

97123: $110k median household income97124: $110k median household income971239712497123: $110k median household income97124: $110k median household income971239712497123: $110k median household income97124: $110k median household income9712397124
The 2 residential ZIP codes named Hillsboro, 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 Hillsboro's ZIP codes?

The highest median household income is in 97124 ($110,067), the lowest in 97123 ($109,985). Home values run from $538,500 in 97123 to $556,300 in 97124.

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

All 2 residential ZIP codes of Hillsboro

Residential ZIP codes with the postal name Hillsboro, OR, largest first (ACS 2020-2024); sort by any column
County
97124 Washington County 54,357 1,204 $110k $556k
97123 Washington County 48,410 870 $110k $539k

Download the 3 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 Hillsboro

1 ZIP code named Hillsboro has 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.

Hillsboro, OR: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
97129Washington County

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

Which counties do Hillsboro's ZIP codes reach?

Hillsboro's residential ZIP codes lie in 3 counties: Washington County (2 ZIP codes mainly there), Yamhill County (part of a ZIP code), Multnomah County (part of a ZIP code).

Which first three digits do Hillsboro'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 Hillsboro starts with 971.

Three-digit prefixes of Hillsboro'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 Hillsboro's
PrefixSectional centerHereAll codes
971 Portland, OR (SCF 970) 3 43

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