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Zip Code 48103 — Ann Arbor, MI

48103 is a ZIP Code associated with Ann Arbor, MI, located within Washtenaw. The postal region supports an estimated population of 55,054 residents across Data Pending housing units, with a population density of 319.5 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (42.258100, -83.843330)

Data Metric	Local Statistic
Postal / Zip Code	48103
Primary City	Ann Arbor
State / Province	MI
County	Washtenaw
Total Population	55,054
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	319.5 people/sq mi
Timezone	America/Detroit

How 48103 Compares

Metric	ZIP 48103	Washtenaw County	MI State Average
Population	55,054	355,280	10,077,716
Median Income	Data Pending	N/A	N/A
Population Density	319.5 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 48108	Ann Arbor	6.2 mi	27,666	N/A
Zip 48109	Ann Arbor	6.3 mi	5,939	N/A
Zip 48104	Ann Arbor	6.4 mi	43,979	N/A
Zip 48130	Dexter	7.3 mi	16,986	N/A
Zip 48176	Saline	7.6 mi	23,451	N/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 →