Allegany County Flag

Allegany County

State:
Maryland
County Seat:
Cumberland

Allegany County's estimated 2026 population is 66,712 with a growth rate of -0.2% in the past year according to the most recent United States census data. Allegany County is the 16th largest county in Maryland. The 2010 population was 74,968 and has seen a growth of -11.01% since that time.

66,712
Total Population
158
Population Density (mi²)
16
Population Rank (State)
-136 -0.2%
Annual Population Growth

Allegany County Population

Demographics

Economics and Income Statistics