Skip to content
Marion County

File:City-County_Building_(Indianapolis)_exterior.jpg · Wikimedia Commons · See Wikimedia Commons

EntityQ506230· pop 47· linked from 965 articles

Marion County

Sign in to save

Also known as Marion County, Indiana, Marion County, IN

county in Indiana, United States

Key facts

Country
United States
State
Indiana
Founded
April 1, 1822
Named after
Francis Marion
Seat
Indianapolis
Largest city
Indianapolis
Total
403.01 sq mi (1,043.8 km )
Land
396.30 sq mi (1,026.4 km )
Water
6.71 sq mi (17.4 km )
Estimate 2025
992,196
Density
2,465.8/sq mi (952.06/km )
Time zone
UTC−5 ( Eastern )
Summer dst
UTC−4 ( EDT )
Congressional districts
6th , 7th
Website
www .indy .gov /eGov /County

via Wikipedia infobox

~11 min read

Encyclopedic overview

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 54th-most populous county in the U.S., the most populous county in the state, and the main population center of the 11-county Indianapolis–Carmel–Greenwood MSA in central Indiana. Indianapolis is the county seat, the state capital, and most populous city. Marion County is consolidated with Indianapolis through an entity known as Unigov.

Geography

Excerpted from Wikipedia’s “Marion County” article, available under the CC BY-SA 4.0 licence.

Gallery (3)

On the map