Darke 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 53,309 people, with a population density of about 88.85 persons per square mile.
The county spans a total land area of 600.00 square miles (1,554.00 square kilometers). The administrative center and county seat is Greenville, which often serves as a hub for local governance and services. The largest city within the county by population is Greenville.
Geographically, Darke County experiences varied elevations, with its highest point at Hollansburg 1,170 ft and its lowest point at Rossburg 0 ft. The region operates in the UTC-5.