Tazewell County's estimated 2026 population is 130,116 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 -3.96% since that time.
Data after 2023 is projected based on recent change
Overall: 41.9 years
Female: 43 years
Male: 41.1 years
There are 101,706 adults, (25,882 of whom are seniors) in Tazewell County.
Female: 65,669 (50.4%)
Male: 64,621 (49.6%)
The racial composition of Tazewell County includes 93.13% White, and smaller percentages for Black or African American, Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 121,337 | 93.13% |
| Two or more races | 4,715 | 3.62% |
| Black or African American | 2,101 | 1.61% |
| Asian | 1,283 | 0.98% |
| Other race | 650 | 0.5% |
| Native American | 171 | 0.13% |
| Native Hawaiian or Pacific Islander | 33 | 0.03% |
Tazewell County's average per capita income is $51,352. Household income levels show a median of $77,982. The poverty rate stands at 9.02%.
Name | Median | Mean |
|---|---|---|
| Married Families | $113,991 | $132,434 |
| Families | $100,755 | $119,451 |
| Households | $77,982 | $97,832 |
| Non Families | $45,650 | $59,163 |
Average Income
Median Household Income
Poverty Rate
