Octa
- County:
- Fayette County
- County Seat:
- No
- Area (mi²):
- 0.29
- State:
- Ohio
Octa is a village located in Fayette County, Ohio. Octa has a 2026 population of 57. Octa is currently declining at a rate of 0% annually and its population has increased by 1.79% since the most recent census, which recorded a population of 56 in 2020.
The median household income in Octa is $27,750 with a poverty rate of 76.19%. The median age in Octa is 29.6 years: 18.8 years for males, and 30.8 years for females. For every 100 females there are 186.4 males.