McKean County Flag

McKean County

State:
Pennsylvania
County Seat:
Smethport

McKean County's estimated 2026 population is 38,679 with a growth rate of -0.78% in the past year according to the most recent United States census data. McKean County is the 53rd largest county in Pennsylvania. The 2010 population was 43,347 and has seen a growth of -10.77% since that time.

38,679
Total Population
39
Population Density (mi²)
53
Population Rank (State)
-305 -0.78%
Annual Population Growth

McKean County Population

Demographics

Economics and Income Statistics