There are 23 zip codes in Genesee County, Michigan. The most populated is 48439, located in Grand Blanc. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
City
Population
48439Grand Blanc52,012
48423Davison33,601
48507Flint29,357
48433Flushing25,824
48506Flint24,837
48504Flint23,941
48503Flint22,891
48473Swartz Creek22,586
48420Clio21,019
48532Flint20,531
48458Mount Morris19,109
48505Flint17,809
48451Linden15,416
48509Burton9,354
48457Montrose8,876
48519Burton8,577
48529Burton8,164
48438Goodrich7,511
48463Otisville4,440
48436Gaines4,139
48502Flint1,323
48437Genesee348
48411Atlas30

Genesee County, Michigan Zip Codes by Population (2024)