Calhoun County, Illinois
Located in Illinois, Calhoun County has a population of 4,330 residents and a median age of 48.8 years, making it the #2,944 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 6.3%. The median home value is $190,900, and the median household income is $93,203, which is 24% above the national median.
Demographics
Calhoun County has a population of 4,330, making it the #2,944 most populous county in the US. The median age is 48.8 years, which is 25.4% 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 Calhoun County is $93,203, ranking #249 out of 3,222 counties — 24.0% above the national median. The poverty rate is 6.3% and unemployment stands at 3.2%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Calhoun County is $190,900 (-32.3% vs national). Renters pay a median of $583/mo and the homeownership rate is 88.7%.
Median Home Value Trend
Rankings →Household Type
Education
In Calhoun County, 20.1% of adults age 25+ hold a bachelor's degree or higher, which is 40.3% below the national average, ranking #1,977 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Calhoun County is 74.7 years. 14.5% of adults report poor or fair health and 5.4% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
15.0% of adults in Calhoun County smoke , 34.6% are obese , and 23.1% report excessive drinking.
Adult Smoking Trend
Safety
.
Families & Children
13.8% of children in Calhoun County live in poverty . The teen birth rate is 11.8 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Calhoun County is 73.1%. The mean commute time is 49.1 min, which is 77.9% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Calhoun County voted Republican with a margin of 55.9%. The vote was 20.9% Dem / 76.8% Rep. Compared to 2020, the margin shifted 6.5 toward Republicans .
Vote Share Over Time
About Calhoun County, Illinois
Calhoun County, Illinois has a total population of 4,330, making it the 2,944th most populous county in the United States. The median age in Calhoun County is 48.8 years, which is 25.4% above the national median of 38.9 years.
The median household income in Calhoun County is $93,203, which ranks #249 of 3,222 counties nationwide. This is 24.0% above the national median of $75,149. The poverty rate is 6.3%, lower than the national rate of 12.6%. The unemployment rate stands at 3.2%.
The median home value in Calhoun County is $190,900, 32.3% below the national median. Renters in Calhoun County pay a median gross rent of $583 per month. The homeownership rate is 88.7%, compared to the national rate of 64.4%.
In Calhoun County, 20.1% of residents aged 25 and older hold a bachelor's degree or higher, 40.3% below the national average of 33.7%. Health insurance coverage stands at 97.6% of the population. The average commute time for workers is 49.1 min.
Calhoun County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 94.3% of the population, followed by Two or More Races (3.2%) and Black (non-Hispanic) (1.5%).
All data for Calhoun 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.