
Harrisburg
- County:
- Boone County
- County Seat:
- No
- Area (mi²):
- 0.796
- State:
- Missouri
Harrisburg is a town located in Boone County, Missouri. Harrisburg has a 2025 population of 297. Harrisburg is currently growing at a rate of 2.06% annually and its population has increased by 10.41% since the most recent census, which recorded a population of 269 in 2020.
The average household income in Harrisburg is $67,227 with a poverty rate of 11.18%. The median age in Harrisburg is 28.9 years: 20 years for males, and 40 years for females.