Champaign County Flag

Champaign County

State:
Illinois
County Seat:
Urbana

Champaign County's estimated 2026 population is 217,496 with a growth rate of 1.19% in the past year according to the most recent United States census data. Champaign County is the 10th largest county in Illinois. The 2010 population was 201,558 and has seen a growth of 7.91% since that time.

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