Casco, MI ZIP Codes, Coordinates & Counties
Casco, Michigan has 1 ZIP code in St. Clair county. The approximate center of Casco is 42.767, -82.672. Casco has about 20,503 known street addresses.
ZIP codes in Casco, MI
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 48064 | St. Clair | 42.767 | -82.672 |
Counties Casco spans
St. Clair
Most common streets in Casco
Church, Palms, Saint Clair, Lindsey, Division, County Line, Americana, Park, Bart, 1st
Frequently asked questions
What ZIP codes are in Casco, MI?
Casco, Michigan has 1 ZIP code, ranging from 48064 to 48064. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Casco, MI in?
Casco is in St. Clair county.
What are the latitude and longitude of Casco, MI?
The approximate center of Casco, Michigan is latitude 42.767, longitude -82.672. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Casco, MI have?
Casco has 1 ZIP code.
How many addresses are in Casco, MI?
Casco, Michigan has about 20,503 known street addresses in the sthan.io US address database.
What are the most common streets in Casco, MI?
Some of the most common street names in Casco are Church, Palms, Saint Clair, Lindsey, Division, County Line.
What cities are near Casco, MI?
Cities near Casco include Fair Haven (5 mi), Columbus (6 mi), East China (6 mi), New Haven (6 mi), Marine City (8 mi).
Cities near Casco
Fair Haven, MI (5 mi) Columbus, MI (6 mi) East China, MI (6 mi) New Haven, MI (6 mi) Marine City, MI (8 mi) New Baltimore, MI (9 mi) Richmond, MI (9 mi) Saint Clair, MI (9 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database