Mercer County Flag

Mercer County

State:
West Virginia
County Seat:

Mercer County's estimated 2026 population is 56,556 with a growth rate of -0.85% in the past year according to the most recent United States census data. Mercer County is the 10th largest county in West Virginia. The 2010 population was 62,335 and has seen a growth of -9.27% since that time.

56,556
Total Population
135
Population Density (mi²)
10
Population Rank (State)
-484 -0.85%
Annual Population Growth

Mercer County Population

Demographics

Economics and Income Statistics