Marion 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 16,140 people, with a population density of about 26.99 persons per square mile.
The county spans a total land area of 598.00 square miles (1,549.00 square kilometers). The administrative center and county seat is Yellville, which often serves as a hub for local governance and services. The largest city within the county by population is Bull Shoals.
Geographically, Marion County experiences varied elevations, with its highest point at Summit 858 ft and its lowest point at Yellville 625 ft. The region operates in the UTC-6.