Olean Flag

Olean

County Seat:
No
Area (mi²):
5.9
State:
New York

Olean is a city located in Cattaraugus County, New York. Olean has a 2026 population of 13,614. Olean is currently declining at a rate of -0.38% annually and its population has decreased by -2.11% since the most recent census, which recorded a population of 13,907 in 2020.

13.6K
Total Population
2,308
Density (mi²)
-52 -0.38%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)