Bridgeport is a hamlet located partly in the town of Sullivan in Madison County, New York and partly in the town of Cicero in Onondaga County, New York. The population was 1,490 at the 2010 census.Bridgeport is located at 43°9′16″N 75°58′30″W / 43.15444°N 75.97500°W / 43.15444; -75.97500.According to the United States Census Bureau, the hamlet's total area is 1.724 square miles.Bridgeport straddles the northward-flowing Chittenango Creek, which serves as the boundary between Onondaga County's town of Cicero on the west side of the creek and Madison County's town of Sullivan on the east side of the creek. The hamlet's namesake bridge spans the creek, which empties into Oneida Lake 2.25 linear miles approximately north-northwest of the bridge. There is no other bridge across Chittenango Creek north of Bridgeport, nor one within several linear miles to the south.