Cleveland is a city in the U.S. state of Ohio and the county seat of Cuyahoga County. Located along the southern shore of Lake Erie, it is situated across the lake from Ontario, Canada, and is approximately 60 miles west of the Ohio–Pennsylvania state line. Cleveland is the most populous city on Lake Erie and second-most populous city in Ohio, with a population of 372,624 at the 2020 census. The Cleveland metropolitan area, with an estimated 2.17 million residents, is the 34th-largest metropolitan area in the United States.