Map of Ohio Counties
Ohio is divided into 88 counties, each functioning as an individual administrative region within the state. Use the interactive maps below to explore counties and their boundaries. Download free maps or learn more about creating a custom map of Ohio to visualize your own data.
Interactive Map of Ohio Counties
Ohio Counties: Key Facts
- Total number of counties: 88 (13th highest among all U.S. states)
- Most populous county: Franklin County (Columbus)
- Least populous county: Vinton County
- Largest county by land area: Ashtabula County - 702 square miles
- Smallest by area: Lake County - 228 square miles
- Counties with major urban centers: Cuyahoga (Cleveland), Franklin (Columbus), Hamilton (Cincinnati)
- State capital location: Franklin County (Columbus)
- Bordering states: Michigan, Indiana, Kentucky, West Virginia, and Pennsylvania
- Most counties formed in early to mid-1800s
Free Downloads
Colored Map of Ohio Counties with Surrounding Areaspng751 KB
Labeled Map of Ohio Counties with Surrounding Areaspng711 KB
You can download free blank Map of Ohio Counties and other maps in high resolution PNG, SVG and PDF formats from the blank maps section of the site: Download Blank Map of Ohio Counties
Custom Map Features
This map supports labels.
This map supports surrounding areas. New
This map is divided into 88 counties.
Updates
Aug 27, 2025:
- Improved map quality
- Added support for surrounding areas and lakes
Aug 26, 2024:
- Added map of Ohio Counties
