By Whereig Editors, Reviewed by Mukesh Kumar| Updated On: May 02, 2026 | 20:16 ET
Map of Ohio County - Ohio County is a county located in the U.S. state of Indiana. Ohio County Map showing cities, highways, important places and water bodies. Get Where is Ohio County located in the map, major cities in Ohio county, population, areas, and places of interest.
Map of Ohio County, Indiana
About Ohio County Map, North Dakota: The map showing the county boundary, county seat, major cities, highways, water bodies and neighbouring counties.
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About Ohio County, Indiana
Posey County is a county located in the U.S. state of Indiana. It`s county seat is Mount Vernon. As per 2020 census, the population of Posey County was 25116 and population density of Posey was square miles. According to the United States Census Bureau, the county has a total area of 410 sq mi (1,062 km2). Posey County was established on -31095.
Ohio County Facts
| Continent | North America |
| Country | United States |
| State | Indiana |
| County Seat | Rising Sun |
| Largest City/Town | Rising Sun |
| Established | 1844 |
| Total Area | 87 sq mi |
| Land Area | 86 sq mi |
| Water Area | 1.0 sq mi |
| Population | 5,940 (Census 2020) |
| Population Density | 69 people per sq mi |
| Time Zone | Eastern Time Zone (ET) |
| Major Highways | IN-56, IN-156, IN-262 |
| Neighboring Counties | Dearborn County (north), Switzerland County (west), Boone County, KY (south), Gallatin County, KY (southeast) |
| Famous For | Smallest county in Indiana, Ohio River views, Rising Sun |
| Top Attractions | Rising Star Casino Resort, Ohio County Courthouse, Ohio River Scenic Byway |
| Official Website | https://ohiocounty.in.gov/ |
Cities and Towns in Ohio County, Indiana
- Rising Sun (county seat) – 2,248 (Census 2020)
Roads and Highways in Ohio County, Indiana
Ohio County is served by a few key highways that connect it to southeastern Indiana and nearby Kentucky.
- Indiana State Road 56 – runs along the Ohio River connecting Rising Sun to Madison and Aurora
- Indiana State Road 156 – east-west route linking Rising Sun to Patriot and Switzerland County
- Indiana State Road 262 – connects Rising Sun to Dillsboro and U.S. Route 50
Neighboring Counties of Ohio County
- Dearborn County (north)
- Switzerland County (west)
- Boone County, Kentucky (south)
- Gallatin County, Kentucky (southeast)
Top Attractions in Ohio County, Indiana
Ohio County offers scenic river views, gaming, and historic charm in a small-town setting.
- Rising Star Casino Resort – entertainment and gaming along the Ohio River
- Ohio County Courthouse – historic courthouse in Rising Sun
- Ohio River Scenic Byway – picturesque drive with river views
- Rising Sun Downtown – charming historic district with shops and dining
- Riverfront Park – park with walking areas and river access
- Stratton Karst area (nearby) – natural features and outdoor exploration
Distance from Ohio County to Nearby Cities
- Ohio County to Cincinnati – 40 mi (64 km)
- Ohio County to Louisville – 90 mi (145 km)
- Ohio County to Indianapolis – 120 mi (193 km)
- Ohio County to Lexington – 100 mi (161 km)
- Ohio County to Dayton – 70 mi (113 km)
FAQs about Ohio County
Ohio County is located in southeastern Indiana along the Ohio River.
The county seat is Rising Sun, which is also the largest town in the county.
It is known for being the smallest county in Indiana and for its scenic river views.
Yes, Ohio County is the smallest county in Indiana by area.
The county is served by Indiana state roads including IN-56, IN-156, and IN-262.
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