Champaign County Flag

Champaign County

State:
Illinois
County Seat:
Urbana

Champaign County's 2026 population is estimated at 217,496, reflecting a 1.19% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Champaign County is the 10th largest county in Illinois. The 2010 population was 201,558 and has grown 7.91% since 2010.

217,496
Total Population
218
Population Density (mi²)
10
Population Rank (State)
2.6K 1.19%
Annual Population Growth

Champaign County Population

Demographics

Economics and Income Statistics