Unadilla is a very small village located in the state of New York. With a population of 1,087 people and three associated neighborhoods, Unadilla is the 747th largest community in New York. Much of the housing stock in Unadilla was built prior to World War II, making it one of the older and more historic villages in the country.

The percentage of people in Unadilla who are college-educated is somewhat higher than the average US community of 21.84%: 25.45% of adults in Unadilla have at least a bachelor's degree.

The per capita income in Unadilla in 2022 was $27,021, which is low income relative to New York, and lower middle income relative to the rest of the US. This equates to an annual income of $108,084 for a family of four. However, Unadilla contains both very wealthy and poor people as well.

Unadilla is a somewhat ethnically-diverse village. The people who call Unadilla home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Unadilla residents report their race to be White, followed by Asian. Important ancestries of people in Unadilla include English, German, Irish, Italian, and Dutch.

The most common language spoken in Unadilla is English. Other important languages spoken here include Italian and Polish.