Oneida is a city in Madison County located east of Canastota, New York, United States. The population was 10,987 at the 2000 census. The city, like both the adjacent county and the nearby silver and china maker, takes its name from the Oneida tribe. Some members of the tribe are still concentrated in the municipal vicinity.
Oneida is located at 43°5′6″N 75°39′12″W / 43.085°N 75.65333°W / 43.085; -75.65333 (43.084961, -75.653375). The city is located between Syracuse and Utica.
According to the United States Census Bureau, the city has a total area of 22.1 square miles (57.2 km²), of which, 22.0 square miles (57.1 km²) of it is land and 0.1 square miles (0.1 km²) of it (0.23%) is water.