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Zip Code 48706 — Bay City, MI

48706 is a ZIP Code associated with Bay City, MI, located within Bay. 48706 ranks #1 out of 10 ZIP codes in Bay County by population (and #46 out of 992 in MI). The area supports an estimated population of 38,974 residents across Data Pending housing units, with a population density of 227.0 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (43.599370, -83.956230)

Data MetricLocal Statistic
Postal / Zip Code48706
Primary CityBay City
State / ProvinceMI
CountyBay
Total Population38,974
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density227.0 people/sq mi
TimezoneAmerica/Detroit

How 48706 Compares

MetricZIP 48706Bay CountyMI State Average
Population38,97499,197 (Total)10,077,716 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density227.0 /sq mi----
County Pop Rank#1 of 10----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 48710University Center3.4 miN/AN/A
Zip 48708Bay City6.2 mi25,635N/A
Zip 48631Kawkawlin6.3 mi3,681N/A
Zip 48604Saginaw7.0 mi11,011N/A
Zip 48611Auburn7.2 mi6,093N/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 →