Poinsett 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 25,614 people, with a population density of about 33.79 persons per square mile.
The county spans a total land area of 758.00 square miles (1,963.00 square kilometers). The administrative center and county seat is Harrisburg, which often serves as a hub for local governance and services. The largest city within the county by population is Trumann.
Geographically, Poinsett County experiences varied elevations, with its highest point at Harrisburg 311 ft and its lowest point at Marked Tree 219 ft. The region operates in the UTC-6.