Brown County is a county located in the U.S. state of Illinois. As of the most recent data available, the county has a population of approximately 6,950 people, with a population density of about 22.71 persons per square mile.
The county spans a total land area of 306.00 square miles (793.00 square kilometers). The administrative center and county seat is Mount Sterling, which often serves as a hub for local governance and services. The largest city within the county by population is Mount Sterling.
Geographically, Brown County experiences varied elevations, with its highest point at Mount Sterling 742 ft and its lowest point at Versailles 640 ft. The region operates in the UTC-6.