ZIP Codes Box

St. Clair County, Michigan ZIP codes

23ZIP codes
22Cities and towns
161,718People in ZIP areas
226, 519, 548Area codes

St. Clair County is in Michigan and the Eastern Time zone. ZIP codes don’t follow county lines exactly, so a ZIP code listed here can reach into a neighboring county.

All ZIP codes in St. Clair County

ZIP codeCityTypePopulationMedian income
48001AlgonacStandard11,224$69,160
48002AllentonStandard3,120$93,948
48004AnchorvillePO Box only––
48006AvocaStandard3,889$71,385
48014CapacStandard4,294$66,800
48022EmmettStandard2,530$96,809
48023Fair HavenStandard5,031$70,469
48027GoodellsStandard3,187$90,417
48028Harsens IslandStandard1,272$109,730
48032JeddoStandard1,871$96,875
48039Marine CityStandard7,437$82,755
48040MarysvilleStandard9,925$66,901
48041MemphisStandard4,302$75,677
48049North StreetStandard5,468$84,028
48054East ChinaStandard7,188$83,241
48059Fort GratiotStandard15,499$80,062
48060Port HuronStandard39,342$53,018
48061Port HuronPO Box only––
48063ColumbusStandard4,206$93,844
48064CascoStandard4,180$87,538
48074Smiths CreekStandard9,624$71,047
48079Saint ClairStandard12,711$79,891
48097YaleStandard5,418$63,659

Cities and towns in St. Clair County

Area codes in St. Clair County

Questions

How many ZIP codes are in St. Clair County, MI?
St. Clair County has 23 ZIP codes, 21 of them standard ZIP codes for street addresses.
What cities are in St. Clair County?
St. Clair County ZIP codes cover Port Huron, Algonac, Allenton, Anchorville, Avoca, Capac, Casco and Columbus and 14 other places.
What area code is St. Clair County, MI?
St. Clair County uses area codes 226, 519, 548, 586 and 810.
What time zone is St. Clair County in?
St. Clair County is in Eastern Time.

Other Michigan counties