Mahoning County is a county located in the U.S. state of Ohio. As of the most recent data available, the county has a population of approximately 257,555 people, with a population density of about 620.61 persons per square mile.
The county spans a total land area of 415.00 square miles (1,075.00 square kilometers). The administrative center and county seat is Youngstown, which often serves as a hub for local governance and services. The largest city within the county by population is Youngstown.
Geographically, Mahoning County experiences varied elevations, with its highest point at New Middletown 1,253 ft and its lowest point at Lowellville 850 ft. The region operates in the UTC-5.