- Population
The population count of Columbus Metro Area (OH) was 2,054,062 in 2018. The population count of Kansas City Metro Area (MO-KS) was 2,106,632 in 2018. The population count of Seattle Metro Area (WA) was 3,809,717 in 2018.
Population
Population Change
Above charts are based on data from the U.S. Census American Community Survey | ODN Dataset | API -