There are 21 zip codes in St. Clair County, Michigan. The most populated is 48060, located in Port Huron. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Zip Code
City
Population
48060Port Huron39,644
48059Fort Gratiot15,314
48079Saint Clair12,572
48001Algonac11,691
48040Marysville9,973
48074Smiths Creek9,594
48039Marine City7,486
48054East China7,204
48049North Street5,509
48097Yale5,333
48023Fair Haven4,993
48041Memphis4,415
48014Capac4,334
48063Columbus4,093
48064Casco4,001
48006Avoca3,945
48027Goodells3,187
48002Allenton3,121
48022Emmett2,527
48032Jeddo1,864
48028Harsens Island961

St. Clair County, Michigan Zip Codes by Population (2024)