Harrisburg is a city located in Poinsett County, in the state of Arkansas (AR), United States. Nestled in the West South Central division of the South region, it covers an area of 2.1 square miles (5.0 km²) and sits at an elevation of 311 ft. With a population of approximately 2,192 residents, Harrisburg offers a peaceful, rural atmosphere.
The town's population is composed of about 47.49% males and 52.51% females, and it has a population density of 48.80 people per square mile (404.95/km²). Harrisburg lies at a latitude of 35.56 and a longitude of -90.72, operating in the UTC-6.
Locals reflect a blend of American ancestry, with roots primarily in United States (20.7%), followed by English (3.7%), German (6.9%), and Scotch-Irish (1%) heritage. The town is identified by the ZIP code 72432.