- Population
The population count of Cincinnati Metro Area (OH-KY-IN) was 2,168,825 in 2018. The population count of Louisville/Jefferson County Metro Area (KY-IN) was 1,285,270 in 2018. The population count of Tulsa Metro Area (OK) was 985,233 in 2018.
Population
Population Change
Above charts are based on data from the U.S. Census American Community Survey | ODN Dataset | API -