Boone County, Illinois
Located in Illinois, Boone County has a population of 53,230 residents and a median age of 39.7 years, making it the #972 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 9.9%. The median home value is $216,900, and the median household income is $84,571, which is 13% above the national median.
Demographics
Boone County has a population of 53,230, making it the #972 most populous county in the US. The median age is 39.7 years, which is 2.1% 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 Boone County is $84,571, ranking #433 out of 3,222 counties — 12.5% above the national median. The poverty rate is 9.9% and unemployment stands at 7.4%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Boone County is $216,900 (-23.1% vs national). Renters pay a median of $1,041/mo and the homeownership rate is 81.8%.
Median Home Value Trend
Rankings →Household Type
Education
In Boone County, 23.6% of adults age 25+ hold a bachelor's degree or higher, which is 29.8% below the national average, ranking #1,411 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Boone County is 78.3 years. 19.2% of adults report poor or fair health and 6.7% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
17.4% of adults in Boone County smoke , 39.5% are obese , and 20.9% report excessive drinking. The drug overdose death rate is 17.0 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 10.4 per 100,000. Motor vehicle deaths occur at a rate of 11.5 per 100,000.
Suicide Rate Trend
Families & Children
15.8% of children in Boone County live in poverty . The teen birth rate is 11.3 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Boone County is 66.9%. The mean commute time is 29.0 min, which is 5.1% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Boone County voted Republican with a margin of 14.5%. The vote was 42% Dem / 56.5% Rep. Compared to 2020, the margin shifted 1.1 toward Republicans .
Vote Share Over Time
About Boone County, Illinois
Boone County, Illinois has a total population of 53,230, making it the 972nd most populous county in the United States. The median age in Boone County is 39.7 years, which is 2.1% above the national median of 38.9 years.
The median household income in Boone County is $84,571, which ranks #433 of 3,222 counties nationwide. This is 12.5% above the national median of $75,149. The poverty rate is 9.9%, lower than the national rate of 12.6%. The unemployment rate stands at 7.4%.
The median home value in Boone County is $216,900, 23.1% below the national median. Renters in Boone County pay a median gross rent of $1,041 per month. The homeownership rate is 81.8%, compared to the national rate of 64.4%.
In Boone County, 23.6% of residents aged 25 and older hold a bachelor's degree or higher, 29.8% below the national average of 33.7%. Health insurance coverage stands at 94.4% of the population. The average commute time for workers is 29.0 min.
Boone County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 68.0% of the population, followed by Hispanic or Latino (25.6%) and Two or More Races (2.8%).
All data for Boone 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.