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Zip Code 48118 — Chelsea, MI

48118 is a ZIP Code associated with Chelsea, MI, located within Washtenaw. The postal region supports an estimated population of 13,246 residents across Data Pending housing units, with a population density of 59.3 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (42.311510, -84.038350)

Data Metric	Local Statistic
Postal / Zip Code	48118
Primary City	Chelsea
State / Province	MI
County	Washtenaw
Total Population	13,246
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	59.3 people/sq mi
Timezone	America/Detroit

How 48118 Compares

Metric	ZIP 48118	Washtenaw County	MI State Average
Population	13,246	355,280	10,077,716
Median Income	Data Pending	N/A	N/A
Population Density	59.3 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 48130	Dexter	7.5 mi	16,986	N/A
Zip 49240	Grass Lake	7.6 mi	8,863	N/A
Zip 48137	Gregory	10.5 mi	4,157	N/A
Zip 48103	Ann Arbor	10.6 mi	55,054	N/A
Zip 48158	Manchester	10.8 mi	7,770	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 →