
Harrisburg
- County:
- Poinsett County
- County Seat:
- Yes
- Area (mi²):
- 2.426
- State:
- Arkansas
Harrisburg is a city located in Poinsett County, Arkansas. Harrisburg has a 2025 population of 2,203. It is also the county seat of Poinsett County. Harrisburg is currently declining at a rate of -0.14% annually and its population has decreased by -0.63% since the most recent census, which recorded a population of 2,217 in 2020.
The average household income in Harrisburg is $60,863 with a poverty rate of 29.67%. The median age in Harrisburg is 38.1 years: 36.4 years for males, and 40.8 years for females.