
Fort Seneca
- County:
- Seneca County
- County Seat:
- No
- Area (mi²):
- 0.627
- State:
- Ohio
Fort Seneca is a CDP located in Seneca County, Ohio. Fort Seneca has a 2025 population of 84. Fort Seneca is currently declining at a rate of -11.58% annually and its population has decreased by -17.65% since the most recent census, which recorded a population of 102 in 2020.
The average household income in Fort Seneca is $64,442 with a poverty rate of 0%. The median age in Fort Seneca is 63.4 years: 60.9 years for males, and 63.6 years for females.