Marion County

Located in the heart of Indiana, Marion County has a 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.

Marion County, Indiana

The low rolling hills of Marion County have been cleared of trees, and the area is completely devoted to municipal development or to agriculture, except for wooded drainages. The highest point (920 feet/279 meters ASL) is a small ridge at the county’s northwest corner. 

According to the 2010 census, the county has an area of 403.01 square miles (1,043.8 km2), of which 396.30 square miles (1,026.4 km2) (or 98.34%) is land and 6.71 square miles (17.4 km2) (or 1.66%) is water.

The White River flows southwestward through the central part of the county; 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 has two Indiana State Parks, Fort Harrison State Park and White River State Park, as well as many municipal parks.

Marion County was created on April 1, 1822, from part of the “New Purchase” lands that had been obtained from its inhabitants, the Lenape, by the Treaty of St. Mary’s. It is named for Francis Marion, a brigadier general from South Carolina in the American Revolutionary War.

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.

Marion County is consolidated with Indianapolis through an arrangement known as Unigov.

Square Miles

Congressional Districts



Marion County Cities

There are a number of cities in the county where Polaris Property Management is the responsible party for both residential and commercial leases.  The most prominent city is Indianapolis.

Polaris Property Management

We provide property management services to Individuals and Group Owners of single-family homes, condos, townhomes, and commercial properties in Carmel, Zionsville, Noblesville, Westfield, Indianapolis, Fishers, Avon, Brownsburg, Plainfield, Greenwood, Center Grove, McCordsville, Whitestown and Whiteland, Indiana.

With our rapid and accurate communication with owners and tenants, our reputation for excellence continues to expand amongst owners and investors. Our focus is elementary in nature but large in scope:

    • Maximize rental revenue for each property owner.
    • Minimize vacancy expense for each property owner.
    • Frequent and consistent communication with your tenants.
    • Frequent and consistent communication with owners.
Property Management