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 code | City | Type | Population | Median income |
|---|---|---|---|---|
| 48001 | Algonac | Standard | 11,224 | $69,160 |
| 48002 | Allenton | Standard | 3,120 | $93,948 |
| 48004 | Anchorville | PO Box only | – | – |
| 48006 | Avoca | Standard | 3,889 | $71,385 |
| 48014 | Capac | Standard | 4,294 | $66,800 |
| 48022 | Emmett | Standard | 2,530 | $96,809 |
| 48023 | Fair Haven | Standard | 5,031 | $70,469 |
| 48027 | Goodells | Standard | 3,187 | $90,417 |
| 48028 | Harsens Island | Standard | 1,272 | $109,730 |
| 48032 | Jeddo | Standard | 1,871 | $96,875 |
| 48039 | Marine City | Standard | 7,437 | $82,755 |
| 48040 | Marysville | Standard | 9,925 | $66,901 |
| 48041 | Memphis | Standard | 4,302 | $75,677 |
| 48049 | North Street | Standard | 5,468 | $84,028 |
| 48054 | East China | Standard | 7,188 | $83,241 |
| 48059 | Fort Gratiot | Standard | 15,499 | $80,062 |
| 48060 | Port Huron | Standard | 39,342 | $53,018 |
| 48061 | Port Huron | PO Box only | – | – |
| 48063 | Columbus | Standard | 4,206 | $93,844 |
| 48064 | Casco | Standard | 4,180 | $87,538 |
| 48074 | Smiths Creek | Standard | 9,624 | $71,047 |
| 48079 | Saint Clair | Standard | 12,711 | $79,891 |
| 48097 | Yale | Standard | 5,418 | $63,659 |
Cities and towns in St. Clair County
- Port Huron 2 ZIPs
- Algonac 1 ZIP
- Allenton 1 ZIP
- Anchorville 1 ZIP
- Avoca 1 ZIP
- Capac 1 ZIP
- Casco 1 ZIP
- Columbus 1 ZIP
- East China 1 ZIP
- Emmett 1 ZIP
- Fair Haven 1 ZIP
- Fort Gratiot 1 ZIP
- Goodells 1 ZIP
- Harsens Island 1 ZIP
- Jeddo 1 ZIP
- Marine City 1 ZIP
- Marysville 1 ZIP
- Memphis 1 ZIP
- North Street 1 ZIP
- Saint Clair 1 ZIP
- Smiths Creek 1 ZIP
- Yale 1 ZIP
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
- Alcona County
- Alger County
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