Cattaraugus County, New York

Cattaraugus County
Location within the U.S. state of New York
New York's location within the U.S.
Coordinates: 42°13′49″N 78°38′18″W / 42.230316°N 78.638206°W / 42.230316; -78.638206
Country United States
State New York
FoundedMarch 28, 1817
SeatLittle Valley
Largest cityOlean
Area
  Total
1,322 sq mi (3,420 km2)
  Land1,308 sq mi (3,390 km2)
  Water14 sq mi (40 km2)  1.1%
Population
 (2020)
  Total
77,042
  Estimate 
(2024)
75,475
  Density57.7/sq mi (22.3/km2)
Time zoneUTC−5 (Eastern)
  Summer (DST)UTC−4 (EDT)
Congressional district23rd
Websitewww.cattco.org

Cattaraugus County (locally known as Catt County) is a county in Western New York, with one side bordering Pennsylvania. As of the United States 2020 census, the population was 77,042. The county seat is Little Valley. The county was created in 1808 and later organized in 1817. The county is part of the Western New York region of the state.

Cattaraugus County comprises the Olean, NY Micropolitan Statistical Area, which is included in the Buffalo-Cheektowaga-Olean, NY Combined Statistical Area. Within its boundaries are the Allegany Indian Reservation of the Seneca Nation of New York, and the Allegany State Park. The Allegheny River runs through the county.