Mackinaw is a village in Tazewell County, Illinois, United States, and is part of the Peoria, Illinois Metropolitan Statistical Area. Its population was 1,950 at the 2010 census.
Former Mackinaw train depot
Tazewell County, Illinois
Tazewell County is a county in the U.S. state of Illinois. According to the 2020 census, it had a population of 131,343. Its county seat and largest city is Pekin. It is pronounced with a short "a", to rhyme with "razz" rather than "raze."
Tazewell County Courthouse in Pekin