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 51st most populated county in the country. Indianapolis is the county seat, the state capital, and largest city. Marion County is consolidated with Indianapolis through an arrangement known as Unigov.
Avon is a town in Washington Township, Hendricks County, Indiana, United States. The population was 21,474 at the 2020 census. It is part of the Indianapolis metropolitan area.
Plainfield is a town in Guilford, Liberty, and Washington townships, Hendricks County, Indiana, United States. The population was 27,631 at the 2010 census, and in 2019 the estimated population was 35,287.
Williamsport is a town in Washington Township, Warren County, in the U.S. state of Indiana. The population was 1,898 at the 2010 census. It is the county seat of Warren County and is the largest of the four incorporated towns in the county. Williamsport Falls is located in downtown Williamsport.
Warren Park is a town in Warren Township, Marion County, Indiana. The population was 1,480 at the 2010 census. It has existed as an "included town" since 1970, when it was incorporated into Indianapolis as part of Unigov. It is part of Indianapolis, but retains a functioning town government under IC 36-3-1-11.
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.
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 108,972 at the 2010 census. 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 2010 census, it had a population of 32,388. 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.
Pike Township is one of the nine townships of Marion County, Indiana, United States, North America, located in the northwestern portion of the county. The entire township is administratively part of Indianapolis, although a portion of the included town of Clermont lies in the southwest corner. As of the 2010 census, Pike Township had a population of 77,895 living in an area of approximately 107 km² (41.5 mi²). Pike Township was named for Zebulon Pike.
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 2010 census was 132,049. The first settlement at Washington Township was made in 1819.
Clinton Township is one of twelve townships in Boone County, Indiana. As of the 2010 census, its population was 886 and it contained 351 housing units.
Warren Township is one of fourteen townships in Clinton County, Indiana, United States. As of the 2010 census, its population was 619 and it contained 244 housing units.
Pleasant Township is one of twelve townships in Porter County, Indiana. As of the 2010 census, its population was 4,432.
Portage Township is one of twelve townships in Porter County, Indiana. As of the 2010 census, its population was 47,085. Portage Township was established in 1835.
Washington Township is one of twelve townships in Porter County, Indiana. As of the 2010 census, its population was 4,785.
Center Township is one of nine townships in Marion County, Indiana, in the United States. As of the 2010 census, its population was 142,787 and it contained 76,872 housing units. It is the most populated township in Marion County.
Lawrence Township is one of nine townships in Marion County, Indiana, United States. The population was 118,447 at the 2010 United States Census. Lawrence Township was organized in 1822.
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.
Washington Township is one of nine townships in Decatur County, Indiana. As of the 2010 census, its population was 13,304 and it contained 5,944 housing units.
Buck Creek Township is one of nine townships in Hancock County, Indiana, United States. As of the 2010 census, its population was 8,430 and it contained 3,158 housing units.
