The Buffalo–Niagara Falls Metropolitan Statistical Area is a metropolitan area, designated by the United States Census Bureau, encompassing two counties - Erie and Niagara - in the state of New York. It has a population of over 1.1 million people and is the second-largest metropolitan area in the state. As of the 2020 U S. census, the metropolitan statistical area (MSA) had a population of 1,166,902. The larger Buffalo Niagara Region is an economic zone consisting of eight counties in Western New York.

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Buffalo–Niagara Falls Metropolitan Area
Metropolitan Statistical Area
Buffalo–Cheektowaga, NY Metropolitan Statistical Area
Buffalo skyline
Map of Buffalo–Cheektowaga–Olean, NY CSA   Buffalo–Cheektowaga MSA   Olean µSA   City of Buffalo   City of Niagara Falls
Coordinates: 42°54′N 78°51′W
Country	United States
State	New York
Largest city	Buffalo
Other cities	- Niagara Falls  - Tonawanda  - North Tonawanda  - Lackawanna  - Lockport  - Olean
Area
• Total	1,567 sq mi (4,060 km2)
Population  (2020)[1]
• Total	1,166,902
• Rank	49th in the U.S.
• Density	718/sq mi (277/km2)
GDP [2]
• MSA	$84.673 billion (2022)

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In 2010, the Buffalo–Niagara Falls metropolitan statistical area was ranked the 10th best place in the U.S. for working mothers by ForbesWoman magazine.^[3]

• Erie
• Niagara
• Orleans
• Cattaraugus (part of CSA)

As of the 2020 Census^[5] there were 1,166,902 people residing in the MSA. It was 74.5% White, 13.0% Black or African American, 0.7% American Indian or Alaska Native, 4.2% Asian, <0.1% Pacific Islander, 2.1% Other and 5.5% two or more Races. 5.8% of the population identified as Hispanic or Latino.

The Buffalo–Cheektowaga–Olean combined statistical area (CSA), which includes the Buffalo–Niagara Falls MSA and adds Cattaraugus County, had a population of 1,215,826 inhabitants. It is part of the Great Lakes Megalopolis, which contains an estimated 54 million people.

• Metropolitan Statistical Areas (MSAs)
  • Buffalo–Cheektowaga (Erie and Niagara counties)
• Micropolitan Statistical Areas (μSAs)
  • Olean (Cattaraugus County)

• New York census statistical areas
• Buffalo Niagara Region
• Great Lakes region