Olean Sheriff Department, City of Olean information For the City of Olean, the Census 2010 estimated total population is 14,452. The name is derived from the Latin word "oleum" due to the discovery of crude oil in nearby Ischua. Olean is the largest city in the county and serves as its financial, transportation, and business center. City Information 101 East State Street, PO Box 668 Olean, NY 14760 (716) 376-5600 TDD 711 office hours Monday – Friday 8:00am - 5:00pm Saturday, Sunday - Closed quick links May 5, 2026 · Olean’s events and attractions, while varied, may have specific schedules or seasonal hours, so checking ahead ensures you make the most of your visit. 1 day ago · OLEAN — The Olean High School Alumni Association proudly invites lifelong Huskies to come reminisce about their high school days with fellow classmate Read More Nov 2, 2024 · One of these places is Olean, situated in Cattaraugus County, New York, and its capital city, Olean City. Sep 10, 2021 · Olean is a city in Cattaraugus County, New York, United States. It has been used in the preparation of otherwise high-fat foods, thereby lowering or eliminating their fat content. Discover Olean’s rich history through its historic buildings and the Bartlett House / Olean Point Museum. Learn about the city’s heritage, visit local exhibits, and attend community events celebrating Olean’s past and culture. It is one of the principal cities of the Southern Tier region of Western New York. ra9hhtk, 3vvwht, ak, uyyjzx9vx, hws, t6vwr, hoq, kccklp14, 3g6gpix, hmvuh,