By Whereig Editors, Reviewed by Mukesh Kumar| Updated On: May 02, 2026 | 20:16 ET
Map of Marion County - Marion County is a county located in the U.S. state of Indiana. Marion County Map showing cities, highways, important places and water bodies. Get Where is Marion County located in the map, major cities in Marion county, population, areas, and places of interest.
Map of Marion County, Indiana
About Marion County Map, Alabama: The map showing the county boundary, county seat, major cities, highways, water bodies and neighbouring counties.
Related Indiana Maps
About Marion County, Indiana
Newton County is a county located in the U.S. state of Indiana. It`s county seat is Kentland. As per 2020 census, the population of Newton County was 13808 and population density of Newton was square miles. According to the United States Census Bureau, the county has a total area of 402 sq mi (1,041 km2). Newton County was established on Dec 8, 1859[17].
Marion County Facts
| Continent | North America |
| Country | United States |
| State | Indiana |
| County Seat | Indianapolis |
| Largest City/Town | Indianapolis |
| Established | 1822 |
| Total Area | 403 sq mi |
| Land Area | 396 sq mi |
| Water Area | 7.1 sq mi |
| Population | 977,203 (Census 2020) |
| Population Density | 2,467 people per sq mi |
| Time Zone | Eastern Time Zone (ET) |
| Major Highways | I-65, I-69, I-70, I-74, I-465, US-31, US-36, US-40, US-52 |
| Neighboring Counties | Hamilton County (north), Hancock County (east), Shelby County (southeast), Johnson County (south), Morgan County (southwest), Hendricks County (west), Boone County (northwest) |
| Famous For | Indianapolis, Indy 500, sports, state capital |
| Top Attractions | Indianapolis Motor Speedway, White River State Park, Indianapolis Zoo |
| Official Website | https://www.indy.gov/ |
Cities and Towns in Marion County, Indiana
- Indianapolis (county seat) – 887,642 (Census 2020)
- Beech Grove – 14,192 (Census 2020)
- Lawrence – 49,370 (Census 2020)
- Southport – 1,712 (Census 2020)
- Speedway – 13,952 (Census 2020)
Roads and Highways in Marion County, Indiana
Marion County has one of the most extensive highway systems in Indiana, centered around Indianapolis as a major transportation hub.
- Interstate 65 (I-65) – north-south route connecting Indianapolis to Chicago and Louisville
- Interstate 69 (I-69) – connects Indianapolis to Fort Wayne and northeastern Indiana
- Interstate 70 (I-70) – east-west route linking Indianapolis to Ohio and Illinois
- Interstate 74 (I-74) – connects Indianapolis to Cincinnati and western Indiana
- Interstate 465 (I-465) – beltway surrounding Indianapolis
- US Route 31 – north-south route through Indianapolis
- US Route 36 – east-west route connecting Indianapolis to surrounding cities
- US Route 40 – historic National Road through Indianapolis
- US Route 52 – connects Indianapolis to Lafayette and Cincinnati
Neighboring Counties of Marion County
- Hamilton County (north)
- Hancock County (east)
- Shelby County (southeast)
- Johnson County (south)
- Morgan County (southwest)
- Hendricks County (west)
- Boone County (northwest)
Top Attractions in Marion County, Indiana
Marion County is home to Indiana’s capital city and offers major attractions, cultural sites, and sports venues.
- Indianapolis Motor Speedway – home of the Indianapolis 500
- White River State Park – downtown park with museums and trails
- Indianapolis Zoo – large zoo with animals and aquarium exhibits
- Lucas Oil Stadium – home of the Indianapolis Colts
- Children’s Museum of Indianapolis – one of the largest children’s museums in the world
- Indiana State Museum – exhibits on state history and culture
- Monument Circle – iconic landmark in downtown Indianapolis
Distance from Marion County to Nearby Cities
- Marion County to Chicago – 180 mi (290 km)
- Marion County to Louisville – 110 mi (177 km)
- Marion County to Cincinnati – 110 mi (177 km)
- Marion County to Fort Wayne – 120 mi (193 km)
- Marion County to St. Louis – 240 mi (386 km)
FAQs about Marion County
Marion County is located in central Indiana and includes the city of Indianapolis.
The county seat is Indianapolis, which is also the largest city in the county.
It is known for Indianapolis, the Indy 500, and being the state capital.
Yes, it is highly urban and includes most of Indianapolis.
The county is served by multiple interstates including I-65, I-69, I-70, and I-74.
- Adams County Map, IN
- Allen County Map, IN
- Bartholomew County Map, IN
- Benton County Map, IN
- Blackford County Map, IN
- Boone County Map, IN
- Brown County Map, IN
- Carroll County Map, IN
- Cass County Map, IN
- Clark County Map, IN
- Clay County Map, IN
- Clinton County Map, IN
- Crawford County Map, IN
- Daviess County Map, IN
- Dearborn County Map, IN
- Decatur County Map, IN
- DeKalb County Map, IN
- Delaware County Map, IN
- Dubois County Map, IN
- Elkhart County Map, IN
- Fayette County Map, IN
- Floyd County Map, IN
- Fountain County Map, IN
- Franklin County Map, IN
- Fulton County Map, IN
- Gibson County Map, IN
- Grant County Map, IN
- Greene County Map, IN
- Hamilton County Map, IN
- Hancock County Map, IN
- Harrison County Map, IN
- Hendricks County Map, IN
- Henry County Map, IN
- Howard County Map, IN
- Huntington County Map, IN
- Jackson County Map, IN
- Jasper County Map, IN
- Jay County Map, IN
- Jefferson County Map, IN
- Jennings County Map, IN
- Johnson County Map, IN
- Knox County Map, IN
- Kosciusko County Map, IN
- LaGrange County Map, IN
- Lake County Map, IN
- LaPorte County Map, IN
- Lawrence County Map, IN
- Madison County Map, IN
- Marion County Map, IN
- Marshall County Map, IN
- Martin County Map, IN
- Miami County Map, IN
- Monroe County Map, IN
- Montgomery County Map, IN
- Morgan County Map, IN
- Newton County Map, IN
- Noble County Map, IN
- Ohio County Map, IN
- Orange County Map, IN
- Owen County Map, IN
- Parke County Map, IN
- Perry County Map, IN
- Pike County Map, IN
- Porter County Map, IN
- Posey County Map, IN
- Pulaski County Map, IN
- Putnam County Map, IN
- Randolph County Map, IN
- Ripley County Map, IN
- Rush County Map, IN
- St Joseph County Map, IN
- Scott County Map, IN
- Shelby County Map, IN
- Spencer County Map, IN
- Starke County Map, IN
- Steuben County Map, IN
- Sullivan County Map, IN
- Switzerland County Map, IN
- Tippecanoe County Map, IN
- Tipton County Map, IN
- Union County Map, IN
- Vanderburgh County Map, IN
- Vermillion County Map, IN
- Vigo County Map, IN
- Wabash County Map, IN
- Warren County Map, IN
- Warrick County Map, IN
- Washington County Map, IN
- Wayne County Map, IN
- Wells County Map, IN
- White County Map, IN
- Whitley County Map, IN
- Alabama Counties
- Alaska boroughs
- Arizona Counties
- Arkansas Counties
- California County Map
- Colorado Counties
- Connecticut Counties
- Delaware Counties
- Florida County Map
- Georgia County Map
- Hawaii Counties
- Idaho Counties
- Illinois Counties
- Indiana Counties
- Iowa Counties
- Kansas Counties
- Kentucky Counties
- Louisiana Counties
- Maine Counties
- Maryland Counties
- Massachusetts Counties
- Michigan County Map
- Minnesota Counties
- Mississippi Counties
- Missouri Counties
- Montana Counties
- Nebraska Counties
- Nevada Counties
- New York Counties
- New Hampshire Counties
- New Jersey Counties
- New Mexico Counties
- North Carolina Counties
- North Dakota Counties
- Ohio County Map
- Oklahoma Counties
- Oregon Counties
- Pennsylvania Counties
- Rhode Island Counties
- South Carolina Counties
- South Dakota Counties
- Map of Tennessee
- Texas County Map
- Utah Counties
- Vermont Counties
- Virginia Counties
- Washington Counties
- West Virginia Counties
- Wisconsin Counties
- Wyoming Counties