Fulton County Flag

Fulton County

State:
Illinois
County Seat:
Lewistown

Fulton County's 2026 population is estimated at 32,202, reflecting a -0.48% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Fulton County is the 45th largest county in Illinois. The 2010 population was 37,076 and has grown -13.15% since 2010.

32,202
Total Population
37
Population Density (mi²)
45
Population Rank (State)
-154 -0.48%
Annual Population Growth

Fulton County Population

Demographics

Economics and Income Statistics