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City ZIP codes · Michigan

Ann Arbor, MI ZIP Codes

8 ZIP codes use the postal name Ann Arbor, Michigan (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 5 residential and 3 for PO boxes or a single organization. Median household income runs from $89,355 in 48108 to $116,194 in 48103, 1.3 times as much (Census Bureau, ACS 2020-2024). Ann Arbor's most populous ZIP code is 48103, with 55,054 people (ACS 2020-2024); 13% of its land is in the city of Ann Arbor.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Ann Arbor's ZIP codes?

48103: $116k median household income48104: $64k median household income48105: $95k median household income48108: $89k median household income48109: $14k median household income481034810548108481044810948103: $116k median household income48104: $64k median household income48105: $95k median household income48108: $89k median household income48109: $14k median household income481034810548108481044810948103: $116k median household income48104: $64k median household income48105: $95k median household income48108: $89k median household income48109: $14k median household income48103481054810848104
The 5 residential ZIP codes named Ann Arbor, 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 Ann Arbor's ZIP codes?

The highest median household income is in 48103 ($116,194), the lowest in 48108 ($89,355). Home values run from $406,700 in 48108 to $503,100 in 48105.

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

All 5 residential ZIP codes of Ann Arbor

Residential ZIP codes with the postal name Ann Arbor, MI, largest first (ACS 2020-2024); sort by any column
County
48103 Washtenaw County 55,054 828 $116k $472k
48104 Washtenaw County 43,979 5,642 $64k $491k
48105 Washtenaw County 37,048 748 $95k $503k
48108 Washtenaw County 27,666 1,649 $89k $407k
48109 Washtenaw County 5,939 4,257 $14k –

Download the 8 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 Ann Arbor

3 ZIP codes named Ann Arbor 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.

Ann Arbor, MI: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
48106Washtenaw County
48107Washtenaw County
48113Washtenaw County

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

Which counties do Ann Arbor's ZIP codes reach?

Ann Arbor's residential ZIP codes lie in Washtenaw County.

Which places do Ann Arbor's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Ann Arbor's residential ZIP codes cover Ann Arbor itself and 1 other place, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

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

Which first three digits do Ann Arbor'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 Ann Arbor starts with 481.

Three-digit prefixes of Ann Arbor'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 Ann Arbor's
PrefixSectional centerHereAll codes
481 Detroit, MI (SCF 481) 8 82

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