Newton County is a county located in the U.S. state of Mississippi. As of the most recent data available, the county has a population of approximately 21,838 people, with a population density of about 37.78 persons per square mile.
The county spans a total land area of 578.00 square miles (1,497.00 square kilometers). The administrative center and county seat is Decatur, which often serves as a hub for local governance and services. The largest city within the county by population is Newton.
Geographically, Newton County experiences varied elevations, with its highest point at Conehatta 520 ft and its lowest point at Union 0 ft. The region operates in the UTC-6.