Grant 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 16,464 people, with a population density of about 26.05 persons per square mile.
The county spans a total land area of 632.00 square miles (1,637.00 square kilometers). The administrative center and county seat is Sheridan, which often serves as a hub for local governance and services. The largest city within the county by population is Sheridan.
Geographically, Grant County experiences varied elevations, with its highest point at Tull 353 ft and its lowest point at Poyen 231 ft. The region operates in the UTC-6.