Columbia County is a county located in the U.S. state of Arkansas. As of the most recent data available, the county has a population of approximately 25,603 people, with a population density of about 33.42 persons per square mile.
The county spans a total land area of 766.00 square miles (1,984.00 square kilometers). The administrative center and county seat is Magnolia, which often serves as a hub for local governance and services. The largest city within the county by population is Magnolia.
Geographically, Columbia County experiences varied elevations, with its highest point at Waldo 360 ft and its lowest point at Taylor 241 ft. The region operates in the UTC-6.