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Zip Code 54303 — Green Bay, WI

54303 is a ZIP Code associated with Green Bay, WI, located within Brown. The postal region supports an estimated population of 28,153 residents across Data Pending housing units, with a population density of 945.8 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (44.539310, -88.051150)

Data Metric	Local Statistic
Postal / Zip Code	54303
Primary City	Green Bay
State / Province	WI
County	Brown
Total Population	28,153
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	945.8 people/sq mi
Timezone	America/Chicago

How 54303 Compares

Metric	ZIP 54303	Brown County	WI State Average
Population	28,153	268,544	5,914,913
Median Income	Data Pending	N/A	N/A
Population Density	945.8 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 54304	Green Bay	3.2 mi	28,502	N/A
Zip 54301	Green Bay	4.2 mi	21,724	N/A
Zip 54302	Green Bay	4.3 mi	30,333	N/A
Zip 54313	Green Bay	4.5 mi	41,422	N/A
Zip 54307	Green Bay	4.8 mi	1,128	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 →