Blair County Flag

Blair County

State:
Pennsylvania
County Seat:
Hollidaysburg

Blair County's estimated 2026 population is 119,031 with a growth rate of -0.43% in the past year according to the most recent United States census data. Blair County is the 28th largest county in Pennsylvania. The 2010 population was 127,049 and has seen a growth of -6.31% since that time.

119,031
Total Population
227
Population Density (mi²)
28
Population Rank (State)
-510 -0.43%
Annual Population Growth

Blair County Population

Demographics

Economics and Income Statistics