Scioto 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 79,195 people, with a population density of about 129.40 persons per square mile.
The county spans a total land area of 612.00 square miles (1,585.00 square kilometers). The administrative center and county seat is Portsmouth, which often serves as a hub for local governance and services. The largest city within the county by population is Portsmouth.
Geographically, Scioto County experiences varied elevations, with its highest point at South Webster 702 ft and its lowest point at New Boston 520 ft. The region operates in the UTC-5.