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Zip Code 48603 — Saginaw, MI

48603 is a ZIP Code associated with Saginaw, MI, located within Saginaw. 48603 ranks #2 out of 19 ZIP codes in Saginaw County by population (and #104 out of 992 in MI). The area supports an estimated population of 27,757 residents across Data Pending housing units, with a population density of 588.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (43.463320, -84.031150)

Data MetricLocal Statistic
Postal / Zip Code48603
Primary CitySaginaw
State / ProvinceMI
CountySaginaw
Total Population27,757
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density588.1 people/sq mi
TimezoneAmerica/Detroit

How 48603 Compares

MetricZIP 48603Saginaw CountyMI State Average
Population27,757187,091 (Total)10,077,716 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density588.1 /sq mi----
County Pop Rank#2 of 19----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 48638Saginaw3.3 mi12,875N/A
Zip 48602Saginaw4.1 mi27,127N/A
Zip 48604Saginaw4.3 mi11,011N/A
Zip 48724Carrollton5.2 mi1,229N/A
Zip 48607Saginaw5.3 mi1,614N/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 →