Trumbull 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 225,116 people, with a population density of about 365.45 persons per square mile.
The county spans a total land area of 616.00 square miles (1,595.00 square kilometers). The administrative center and county seat is Warren, which often serves as a hub for local governance and services. The largest city within the county by population is Warren.
Geographically, Trumbull County experiences varied elevations, with its highest point at Hartford 1,170 ft and its lowest point at Howland Center 0 ft. The region operates in the UTC-5.