
Bluffton
- County:
- Allen County
- County Seat:
- No
- Area (mi²):
- 3.695
- State:
- Ohio
Bluffton is a village located in Allen County, Ohio. Bluffton has a 2025 population of 3,863. Bluffton is currently declining at a rate of -0.52% annually and its population has decreased by -2.5% since the most recent census, which recorded a population of 3,962 in 2020.
The average household income in Bluffton is $92,023 with a poverty rate of 1.63%. The median age in Bluffton is 35.4 years: 39 years for males, and 33 years for females.