Wabash County Flag

Wabash County

State:
Illinois
County Seat:
Mount Carmel

Wabash County's 2026 population is estimated at 10,873, reflecting a -0.49% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Wabash County is the 86th largest county in Illinois. The 2010 population was 11,916 and has grown -8.75% since 2010.

10,873
Total Population
49
Population Density (mi²)
86
Population Rank (State)
-53 -0.49%
Annual Population Growth

Wabash County Population

Demographics

Economics and Income Statistics