Tazewell County, Illinois
Located in Illinois, Tazewell County has a population of 130,290 residents and a median age of 41.9 years, making it the #503 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 9.0%. The median home value is $167,500, and the median household income is $77,982, which is 4% above the national median.
Demographics
Tazewell County has a population of 130,290, making it the #503 most populous county in the US. The median age is 41.9 years, which is 7.7% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Tazewell County is $77,982, ranking #674 out of 3,222 counties — 3.8% above the national median. The poverty rate is 9.0% and unemployment stands at 3.6%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Tazewell County is $167,500 (-40.6% vs national). Renters pay a median of $909/mo and the homeownership rate is 78.4%.
Median Home Value Trend
Rankings →Household Type
Education
In Tazewell County, 28.4% of adults age 25+ hold a bachelor's degree or higher, which is 15.8% below the national average, ranking #894 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Tazewell County is 76.6 years. 15.5% of adults report poor or fair health and 5.0% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
14.7% of adults in Tazewell County smoke , 35.2% are obese , and 22.1% report excessive drinking. The drug overdose death rate is 24.3 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Tazewell County is 2.2 per 100,000 and the suicide rate is 14.2 per 100,000. Motor vehicle deaths occur at a rate of 10.5 per 100,000.
Homicide Rate Trend
Families & Children
10.3% of children in Tazewell County live in poverty and the infant mortality rate is 6.2 per 1,000 live births. The teen birth rate is 16.3 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Tazewell County is 68.1%. The mean commute time is 22.8 min, which is 17.4% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Tazewell County voted Republican with a margin of 26.7%. The vote was 35.8% Dem / 62.5% Rep. Compared to 2020, the margin shifted 1.0 toward Republicans .
Vote Share Over Time
About Tazewell County, Illinois
Tazewell County, Illinois has a total population of 130,290, making it the 503rd most populous county in the United States. The median age in Tazewell County is 41.9 years, which is 7.7% above the national median of 38.9 years.
The median household income in Tazewell County is $77,982, which ranks #674 of 3,222 counties nationwide. This is 3.8% above the national median of $75,149. The poverty rate is 9.0%, lower than the national rate of 12.6%. The unemployment rate stands at 3.6%.
The median home value in Tazewell County is $167,500, 40.6% below the national median. Renters in Tazewell County pay a median gross rent of $909 per month. The homeownership rate is 78.4%, compared to the national rate of 64.4%.
In Tazewell County, 28.4% of residents aged 25 and older hold a bachelor's degree or higher, 15.8% below the national average of 33.7%. Health insurance coverage stands at 94.9% of the population. The average commute time for workers is 22.8 min.
Tazewell County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 91.9% of the population, followed by Hispanic or Latino (2.7%) and Two or More Races (2.5%).
All data for Tazewell County, Illinois comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.