Gratis
- County:
- Preble County
- County Seat:
- No
- Area (mi²):
- 0.97
- State:
- Ohio
Gratis is a village located in Preble County, Ohio. Gratis has a 2026 population of 835. Gratis is currently growing at a rate of 0.6% annually but its population has decreased by -0.6% since the most recent census, which recorded a population of 840 in 2020.