
Columbus Grove
- County:
- Putnam County
- County Seat:
- No
- Area (mi²):
- 1.228
- State:
- Ohio
Columbus Grove is a village located in Putnam County, Ohio. Columbus Grove has a 2025 population of 2,118. Columbus Grove is currently declining at a rate of -0.28% annually and its population has decreased by -1.49% since the most recent census, which recorded a population of 2,150 in 2020.
The average household income in Columbus Grove is $83,477 with a poverty rate of 10.17%. The median age in Columbus Grove is 34.3 years: 33.8 years for males, and 35.3 years for females.