Mahoning County, Ohio

Mahoning County is a county located in the U.S. state of Ohio. As of the 2010 census, the population was 238,823. Its county seat is Youngstown. The county is named for an Indian word meaning "salt lick". Mahoning County was formed on March 1, 1846; the 83rd county in Ohio. Until 1846, the area that is now Mahoning County was part of Trumbull and Columbiana counties, when the counties in the area were redefined and Mahoning County emerged as a new county.

Mahoning County is part of the Youngstown-Warren-Boardman, OH-PA Metropolitan Statistical Area.

Geography

According to the U.S. Census Bureau, the county has a total area of 425 square miles (1,100 km²), of which 412 square miles (1,070 km²) is land and 14 square miles (36 km²) (3.2%) is water.

Adjacent counties

Demographics

2000 census

As of the census of 2000, there were 257,555 people, 102,587 households, and 68,835 families residing in the county. The population density was 620 people per square mile (239/km²). There were 111,762 housing units at an average density of 269 per square mile (104/km²). The racial makeup of the county was 81.04% White, 15.87% Black or African American, 0.17% Native American, 0.47% Asian, 0.02% Pacific Islander, 1.03% from other races, and 1.38% from two or more races. 2.97% of the population were Hispanic or Latino of any race.