Unadilla
- County:
- Otoe County
- County Seat:
- No
- Area (mi²):
- 0.319
- State:
- Nebraska
Unadilla is a village located in Otoe County, Nebraska. Unadilla has a 2026 population of 305. Unadilla is currently growing at a rate of 0.66% annually and its population has increased by 3.74% since the most recent census, which recorded a population of 294 in 2020.