Buffalo-Niagara Falls metropolitan area

The Buffalo-Niagara Falls metropolitan area is the second-largest metropolitan area in New York, located in the Western New York region. The Buffalo-Niagara Falls, NY Metropolitan Statistical Area is defined by the United States Census as Erie County and Niagara County; as of 2006 its population is 1,137,520, and its principal cities are considered Buffalo (24% of the population), Cheektowaga (8%), Tonawanda (6%) and Niagara Falls (5%). The broader Buffalo-Niagara-Cattaraugus, NY Combined Statistical Area also includes the Olean, NY Micropolitan Statistical Area, which is contiguous with Cattaraugus County, and under this definition the metropolitan population is 1,219,054.
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