Columbia County is a county located in the U.S. state of Florida. As of the most recent data available, the county has a population of approximately 56,513 people, with a population density of about 70.91 persons per square mile.
The county spans a total land area of 797.00 square miles (2,064.00 square kilometers). The administrative center and county seat is Lake City, which often serves as a hub for local governance and services. The largest city within the county by population is Lake City.
Geographically, Columbia County experiences varied elevations, with its highest point at Watertown 191 ft and its lowest point at Fort White 72 ft. The region operates in the UTC-5.