 | Mackinaw, IL 61755 Post Office Location: 110 South Main Street; Mackinaw, IL Year Post Office built: Town(s) Served: Mackinaw Acceptable City Names: Mackinaw Not Acceptable City Names: Lilly Sectional Service Facility: Bloomington County(ies): Tazewell Info on Mackinaw: The Village of Mackinaw is located in Northeastern Tazewell County. This sits along Illinois 9. It was a hub for the Illinois Terminal Railroad at one time. Mackinaw was the count seat for Tazewell County at one time. It is named for the Mackinaw River. |
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