Marion County is a county located in the Rocky ripple indiana. According to the 2010 census, the county has a total area of 403. The White River flows through the county where it is joined by Eagle Creek and Fall Creek, both of which have dams in the county forming Eagle Creek Reservoir and Geist Reservoir, respectively.
Marion County contains two Indiana State Parks, Fort Harrison State Park and White River State Park, as well as numerous municipal parks. I-69 currently ends in Indianapolis at the I-465 interchange in the northeast section of the county. The extension connecting Indianapolis and Evansville is expected to be completed around 2018. Marion County was created on April 1, 1822, from part of the so-called “New Purchase” lands that had been obtained by the Treaty of St. Lenape had previously occupied the area. The state capital was moved to Indianapolis in Marion County from Corydon on January 10, 1825.
This began a period of rapid growth in population. Average monthly precipitation ranged from 2. As of the 2010 United States Census, there were 903,393 people, 366,176 households, and 218,338 families residing in the county. There were 417,862 housing units at an average density of 1,054. The average household size was 2.