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Zip Code 53203 — Milwaukee, WI

53203 is a ZIP Code associated with Milwaukee, WI, located within Milwaukee. 53203 ranks #35 out of 36 ZIP codes in Milwaukee County by population (and #437 out of 783 in WI). The area supports an estimated population of 2,357 residents across Data Pending housing units, with a population density of 2,047.7 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (43.038280, -87.916030)

Data MetricLocal Statistic
Postal / Zip Code53203
Primary CityMilwaukee
State / ProvinceWI
CountyMilwaukee
Total Population2,357
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density2,047.7 people/sq mi
TimezoneAmerica/Chicago

How 53203 Compares

MetricZIP 53203Milwaukee CountyWI State Average
Population2,357926,469 (Total)5,914,913 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density2,047.7 /sq mi----
County Pop Rank#35 of 36----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 53233Milwaukee0.9 mi14,497N/A
Zip 53202Milwaukee1.0 mi25,861N/A
Zip 53205Milwaukee1.4 mi9,265N/A
Zip 53204Milwaukee1.5 mi39,996N/A
Zip 53212Milwaukee2.5 mi28,938N/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 →