
Poplar Bluff
- County:
- Butler County
- County Seat:
- Yes
- Area (mi²):
- 13.139
- State:
- Missouri
Poplar Bluff is a city located in Butler County, Missouri. Poplar Bluff has a 2025 population of 16,084. It is also the county seat of .Poplar Bluff is currently declining at a rate of -0.15% annually and its population has decreased by -0.74% since the most recent census, which recorded a population of 16,204 in 2020.
The average household income in Poplar Bluff is $55,564 with a poverty rate of 23.53%. The median age in Poplar Bluff is 36.7 years: 34.7 years for males, and 39.5 years for females.