Mahoning County, Ohio - Census Bureau Profile
https://data.census.gov/profile/Mahoning_County,_Ohio?g=0500000US39099
WebMahoning County, Ohio has 411.5 square miles of land area and is the 61st largest county in Ohio by total area. Mahoning County, Ohio is bordered by Portage County, Ohio , Stark County, Ohio , Columbiana County, Ohio , Mercer County, Pennsylvania , Trumbull County, Ohio , and Lawrence County, Pennsylvania .
DA: 60 PA: 93 MOZ Rank: 78