Menard County Flag

Menard County

State:
Illinois
County Seat:
Petersburg

Menard County's estimated 2026 population is 11,802 with a growth rate of -0.51% in the past year according to the most recent United States census data. Menard County is the 83rd largest county in Illinois. The 2010 population was 12,696 and has seen a growth of -7.04% since that time.

11,802
Total Population
38
Population Density (mi²)
83
Population Rank (State)
-61 -0.51%
Annual Population Growth

Menard County Population

Demographics

Economics and Income Statistics