Union 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 25,362 people, with a population density of about 60.97 persons per square mile.
The county spans a total land area of 416.00 square miles (1,077.00 square kilometers). The administrative center and county seat is New Albany, which often serves as a hub for local governance and services. The largest city within the county by population is New Albany.
Geographically, Union County experiences varied elevations, with its highest point at Myrtle 398 ft and its lowest point at New Albany 364 ft. The region operates in the UTC-6.