Map of Ohio Counties

Ohio is divided into 88 counties, each functioning as an individual administrative region within the state. Download free maps or learn more about creating a custom map of Ohio below.

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

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

Create Custom 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