Harrison County is a county located in the U.S. state of Missouri. As of the most recent data available, the county has a population of approximately 8,850 people, with a population density of about 12.21 persons per square mile.
The county spans a total land area of 725.00 square miles (1,878.00 square kilometers). The administrative center and county seat is Bethany, which often serves as a hub for local governance and services. The largest city within the county by population is Bethany.
Geographically, Harrison County experiences varied elevations, with its highest point at Eagleville 1,097 ft and its lowest point at Bethany 0 ft. The region operates in the UTC-6.