- Population
The population count of Columbus Metro Area (OH) was 2,054,062 in 2018. The population count of Detroit Metro Area (MI) was 4,317,179 in 2018. The population count of Milwaukee Metro Area (WI) was 1,575,907 in 2018.
Population
Population Change
Above charts are based on data from the U.S. Census American Community Survey | ODN Dataset | API -