The Diocese of Syracuse is headquartered in what county?
Roman Catholic Diocese of Syracuse The Diocese of Syracuse is a Catholic diocese headquartered in Syracuse, New York, United States. The current bishop is the Most Rev. Robert J. Cunningham. The Roman Catholic Diocese of Syracuse includes 237,546 Catholics residing in seven counties of Central and South Central New York State. The seven counties are Broome, Chenango, Cortland, Madison, Oneida, Onondaga and Oswego.
Oswego, New York Oswego is a city in Oswego County, New York, United States. The population was 18,142 at the 2010 census. Oswego is located on Lake Ontario in north-central New York and promotes itself as "The Port City of Central New York". It is the county seat of Oswego County.