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 most populous county in the state and 51st most populated county in the country. Indianapolis is the county seat, the state capital, and most populous city. Marion County is consolidated with Indianapolis through an arrangement known as Unigov. Marion County is the central county of the Indianapolis–Carmel–Anderson MSA in Central Indiana.
Pike County is a county in the U.S. state of Illinois. It is located between the Mississippi River and the Illinois River in western Illinois. According to the 2020 United States Census, it had a population of 14,739. Its county seat is Pittsfield.
Lawrence is a city in Marion County, Indiana, United States. It is one of four "excluded cities" in Marion County. The city is home to Fort Benjamin Harrison within Fort Harrison State Park. The population was 49,370 at the 2020 census. The city is on the northeast side of Indianapolis.
Franklin Township is one of the nine townships of Marion County, Indiana, United States. Located in the southeast corner of the county, it has been subsumed into the city of Indianapolis along with most of the rest of the county. It contains the communities of Acton, Wanamaker, and the eastern portion of the excluded city of Beech Grove.
Harlan Township is one of the eleven townships of Warren County, Ohio, United States. It is located in the southeast corner of the county. The population was 4,929 as of the 2020 census.
Hamilton Township is one of the eleven townships of Warren County, Ohio, United States. It is located in the south central portion of the county. The population was 30,587 at the 2020 census.
Perry Township is one of the nine townships of Marion County, Indiana, United States, located in the south central part of the county. It was laid out in 1822 by the U.S. Army Corps of Engineers and named after Oliver Hazard Perry – a War of 1812 hero. The township population was 121,768 at the 2020 census, up from 108,972 at 2010. This includes the largest community of Burmese-Americans in the United States, numbering over 24,000. Through the White River, Perry and Decatur townships share the only water boundary among Marion County's townships.
Decatur Township is one of the nine townships in Marion County, Indiana, United States, and part of the consolidated city of Indianapolis. As of the 2020 census, it had a population of 36,951. Located in the southwest corner of the county, the township is home to the Indianapolis International Airport main terminal. It is one of the most rural sections of the county, but has seen many new residential and commercial developments. AmeriPlex, one of the largest industrial parks in Indiana, is in Decatur Township. Through the White River, Decatur and Perry townships share the only water boundary among Marion County's townships.
Washington Township is one of the nine townships of Marion County, Indiana, located in the northern part of the county. The township is entirely within the city of Indianapolis. The population as of the 2020 census was 138,678, up from 132,049 at the 2010 census. The first settlement at Washington Township was made in 1819.
Pike Township is one of the sixteen townships of Brown County, Ohio, United States. The 2020 census found 4,134 people in the township.
Tate Township is one of the fourteen townships of Clermont County, Ohio, United States. The population was 9,162 at the 2020 census.
Cain Township is one of eleven townships in Fountain County, Indiana. As of the 2010 census, its population was 1,142 and it contained 488 housing units.
Lincoln Township is one of twelve townships in Hendricks County, Indiana, United States. As of the 2010 census, its population was 28,665.
Sugar Creek Township is one of fourteen townships in Clinton County, Indiana. As of the 2020 census, its population was 456 and it contained 207 housing units. The township is named for the stream that flows southwest through it.
Veale Township is one of ten townships in Daviess County, Indiana. As of the 2020 census, its population was 1,130 and it contained 449 housing units.
Madison Township is one of twelve townships in Dubois County, Indiana. As of the 2010 census, its population was 2,696 and it contained 935 housing units.
Lawrence Township is one of nine townships in Marion County, Indiana, United States. The population was 122,321 at the 2020 census, up from 118,447 at the 2010 United States Census. Lawrence Township was organized in 1822.
Warren Township is one of nine townships in Marion County, Indiana. As of the 2020 census, its population was 106,191, up from 99,433 at 2010. Warren Township was named for Joseph Warren.
Wayne Township is one of nine townships in Marion County, Indiana. As of the 2010 census, its population was 136,828. The school district is Metropolitan School District of Wayne Township.
Clermont is a town in Pike and Wayne townships of Marion County, Indiana, United States. The population was 1,384 at the 2020 census. It has existed as an "included town" since 1970, when it was incorporated into Indianapolis as part of Unigov. It is legally part of Indianapolis, while retaining a town government under IC 36-3-2-5. The city is known for hosting Lucas Oil Raceway at Indianapolis, consisting of one of the nation's premier short-track ovals and also the premier American drag racing event, the NHRA U.S. Nationals.
