O Cities in New York

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22 New York cities and towns start with O, from Oakfield to Oyster Bay Cove. The largest is Ossining, with an estimated 26,895 people in July 2024, per the US Census Bureau.

Oakfield Ocean Beach Odessa Ogdensburg Old Brookville Old Field Old Westbury Olean Oneida Oneida Castle Oneonta Orchard Park Oriskany Oriskany Falls Ossining Oswego Otego Otisville Ovid Owego Oxford Oyster Bay Cove