Miller County is a county located in the U.S. state of Missouri. As of the most recent data available, the county has a population of approximately 23,564 people, with a population density of about 39.80 persons per square mile.
The county spans a total land area of 592.00 square miles (1,533.00 square kilometers). The administrative center and county seat is Tuscumbia, which often serves as a hub for local governance and services. The largest city within the county by population is Eldon.
Geographically, Miller County experiences varied elevations, with its highest point at Eldon 933 ft and its lowest point at Lake Ozark 703 ft. The region operates in the UTC-6.