Map of US Counties

Ashland County is a county located in the northeastern portion of the U.S. state of Ohio. As of the 2020 census, the population was 52,447. Its county seat and largest city is Ashland. The county is named for “Ashland”, the home of Senator Henry Clay near Lexington, Kentucky. It was formed in 1846 from parts ... Read more

Darke County is a county in the U.S. state of Ohio. As of the 2020 census, the population was 51,881. Its county seat and largest city is Greenville. The county was created in 1809 and later organized in 1817. It is named for William Darke, an officer in the American Revolutionary War. Darke County comprises ... Read more

Henry County is a county located in the U.S. state of Ohio. As of the 2020 census, the population was 27,662. Its county seat is Napoleon. The county was created in 1820 and later organized in 1834. It is named for American Founding Father Patrick Henry, the Virginian famous for his “give me liberty, or ... Read more

Mahoning County is a county in the U.S. state of Ohio. As of the 2020 census, the population was 228,614. Its county seat and largest city is Youngstown. The county is named after the Mahoning River and was formed on March 1, 1846; the 83rd county in Ohio. Until 1846, the area that is now ... Read more