Unadilla is a village in Otoe County, Nebraska, United States.

Unadilla was platted in 1871 when the Midland Pacific Railroad was extended to that point.

[6][7] According to the United States Census Bureau, the village has a total area of 0.31 square miles (0.80 km2), all land.

25.0% of all households were made up of individuals, and 16.7% had someone living alone who was 65 years of age or older.

The racial makeup of the village was 98.54% White, 0.29% Native American, 1.17% from other races.

27.3% of all households were made up of individuals, and 17.3% had someone living alone who was 65 years of age or older.