Marion County Is Located In The U.s. State Of Indiana. The 2020 United States Census Reported A Population Of 977,203, Making It The Largest County In The State And 55th Most Populated County In The Country. Indianapolis Is The County Seat, The State Capital, And Largest City. Wikipedia: What You Need To Know

Is Marion County the largest county in Indiana? Below are the 92 Indiana counties sorted by population from 1 to 92 ….Looking for a list of cities, counties or zips in Indiana? Rank County Population 1 Marion County 957,337 2 Lake...