Hardin County, Illinois
Located in Illinois, Hardin County has a population of 3,605 residents and a median age of 53.6 years, making it the #2,995 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 11.0%. The median home value is $103,800, and the median household income is $54,271, which is 28% below the national median.
Demographics
Hardin County has a population of 3,605, making it the #2,995 most populous county in the US. The median age is 53.6 years, which is 37.8% 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 Hardin County is $54,271, ranking #2,519 out of 3,222 counties — 27.8% below the national median. The poverty rate is 11.0% and unemployment stands at 2.8%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Hardin County is $103,800 (-63.2% vs national). Renters pay a median of $379/mo and the homeownership rate is 79.5%.
Median Home Value Trend
Rankings →Household Type
Education
In Hardin County, 13.3% of adults age 25+ hold a bachelor's degree or higher, which is 60.6% below the national average, ranking #3,004 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Hardin County is 71.6 years. 20.1% of adults report poor or fair health and 5.7% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
20.7% of adults in Hardin County smoke , 37.8% are obese , and 21.5% report excessive drinking.
Adult Smoking Trend
Safety
. Motor vehicle deaths occur at a rate of 35.4 per 100,000.
Families & Children
28.8% of children in Hardin County live in poverty . The teen birth rate is 20.4 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Hardin County is 64.9%. The mean commute time is 32.3 min, which is 16.9% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Hardin County voted Republican with a margin of 61.8%. The vote was 18.5% Dem / 80.3% Rep. Compared to 2020, the margin shifted 4.4 toward Republicans .
Vote Share Over Time
About Hardin County, Illinois
Hardin County, Illinois has a total population of 3,605, making it the 2,995th most populous county in the United States. The median age in Hardin County is 53.6 years, which is 37.8% above the national median of 38.9 years.
The median household income in Hardin County is $54,271, which ranks #2,519 of 3,222 counties nationwide. This is 27.8% below the national median of $75,149. The poverty rate is 11.0%, lower than the national rate of 12.6%. The unemployment rate stands at 2.8%.
The median home value in Hardin County is $103,800, 63.2% below the national median. Renters in Hardin County pay a median gross rent of $379 per month. The homeownership rate is 79.5%, compared to the national rate of 64.4%.
In Hardin County, 13.3% of residents aged 25 and older hold a bachelor's degree or higher, 60.6% below the national average of 33.7%. Health insurance coverage stands at 96.3% of the population. The average commute time for workers is 32.3 min.
Hardin County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 95.7% of the population, followed by Two or More Races (1.7%) and Black (non-Hispanic) (1.4%).
All data for Hardin 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.