Brown County Flag

Brown County

State:
Illinois
County Seat:
Mount Sterling

Brown County's estimated 2025 population is 6,250 with a growth rate of -0.35% in the past year according to the most recent United States census data. Brown County is the 91st largest county in Illinois. The 2010 population was 6,919 and has seen a growth of -9.67% since that time.

6,250
Total Population
20
Population Density (mi²)
91
Population Rank (State)
-22 -0.35%
Annual Population Growth

Brown County Population

Demographics

Economics and Income Statistics