Onondaga County is a county in the U.S. state of New York. As of the 2020 census, the population was 476,516. The county seat is Syracuse. The county is part of the Central New York region of the state.
AdJust type in a name and explore your family's heritage. Make amazing discoveries. Grow your family tree and explore billions of historical records with a 14-day free trial.
Save
Share
More