Callaway 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 40,766 people, with a population density of about 48.59 persons per square mile.
The county spans a total land area of 839.00 square miles (2,173.00 square kilometers). The administrative center and county seat is Fulton, which often serves as a hub for local governance and services. The largest city within the county by population is Fulton.
Geographically, Callaway County experiences varied elevations, with its highest point at Auxvasse 870 ft and its lowest point at Fulton 770 ft. The region operates in the UTC-6.