Tazewell County Flag

Tazewell County

State:
Illinois
County Seat:
Pekin

Tazewell County's estimated 2025 population is 129,403 with a growth rate of -0.05% in the past year according to the most recent United States census data. Tazewell County is the 16th largest county in Illinois. The 2010 population was 135,487 and has seen a growth of -4.49% since that time.

129,403
Total Population
200
Population Density (mi²)
16
Population Rank (State)
-69 -0.05%
Annual Population Growth

Tazewell County Population

Demographics

Economics and Income Statistics