
Buffalo
- County:
- Guernsey County
- County Seat:
- No
- Area (mi²):
- 0.49
- State:
- Ohio
Buffalo is a CDP located in Guernsey County, Ohio. Buffalo has a 2025 population of 892. Buffalo is currently growing at a rate of 3.72% annually and its population has increased by 40.25% since the most recent census, which recorded a population of 636 in 2020.
The average household income in Buffalo is $77,422 with a poverty rate of 13.77%. The median age in Buffalo is 21.7 years: 17.9 years for males, and 38.7 years for females.