Olean
Market InsightsOlean is a city in Cattaraugus County, New York, United States. Olean is the largest city in Cattaraugus County and serves as its financial, business, transportation and entertainment center. It is one of the principal cities of the Southern Tier region of New York.The city is surrounded by the town of Olean and is located in the southeastern part of the county. The population was 14,452 at the 2010 census.