Zip Code 48603 — Saginaw, MI

ZIP Code 48603 is associated with Saginaw, MI, in Saginaw County. The listed population estimate is 27,757; estimated density is 588.1 people per square mile. Among records with population estimates, it ranks #2 of 19 in Saginaw County and #104 of 987 in MI.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (43.463320, -84.031150)

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

How 48603 Compares

MetricZIP 48603Saginaw County recordsMI records
Population estimate27,757187,091 (sum)10,077,716 (sum)
Population Density588.1 /sq mi----
County population rank#2 of 19----
State population rank#104 of 987----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in MI

ZIP CodeCityDistancePopulation estimate
ZIP 48638Saginaw3.3 mi12,875
ZIP 48602Saginaw4.1 mi27,127
ZIP 48604Saginaw4.3 mi11,011
ZIP 48724Carrollton5.2 mi1,229
ZIP 48607Saginaw5.3 mi1,614

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 →