Logan County, Illinois
Located in Illinois, Logan County has a population of 27,713 residents and a median age of 41.1 years, making it the #1,555 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 13.1%. The median home value is $134,400, and the median household income is $66,358, which is 12% below the national median.
Demographics
Logan County has a population of 27,713, making it the #1,555 most populous county in the US. The median age is 41.1 years, which is 5.7% 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 Logan County is $66,358, ranking #1,484 out of 3,222 counties — 11.7% below the national median. The poverty rate is 13.1% and unemployment stands at 4.0%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Logan County is $134,400 (-52.3% vs national). Renters pay a median of $829/mo and the homeownership rate is 68.5%.
Median Home Value Trend
Rankings →Household Type
Education
In Logan County, 20.9% of adults age 25+ hold a bachelor's degree or higher, which is 38.0% below the national average, ranking #1,839 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Logan County is 76.7 years. 18.2% of adults report poor or fair health and 5.4% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
18.0% of adults in Logan County smoke , 38.8% are obese , and 21.2% report excessive drinking. The drug overdose death rate is 14.3 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 12.5 per 100,000. Motor vehicle deaths occur at a rate of 14.0 per 100,000.
Suicide Rate Trend
Families & Children
17.1% of children in Logan County live in poverty . The teen birth rate is 18.4 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Logan County is 57.7%. The mean commute time is 22.9 min, which is 17.1% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Logan County voted Republican with a margin of 41.5%. The vote was 28.2% Dem / 69.7% Rep. Compared to 2020, the margin shifted 1.7 toward Republicans .
Vote Share Over Time
About Logan County, Illinois
Logan County, Illinois has a total population of 27,713, making it the 1,555th most populous county in the United States. The median age in Logan County is 41.1 years, which is 5.7% above the national median of 38.9 years.
The median household income in Logan County is $66,358, which ranks #1,484 of 3,222 counties nationwide. This is 11.7% below the national median of $75,149. The poverty rate is 13.1%, higher than the national rate of 12.6%. The unemployment rate stands at 4.0%.
The median home value in Logan County is $134,400, 52.3% below the national median. Renters in Logan County pay a median gross rent of $829 per month. The homeownership rate is 68.5%, compared to the national rate of 64.4%.
In Logan County, 20.9% of residents aged 25 and older hold a bachelor's degree or higher, 38.0% below the national average of 33.7%. Health insurance coverage stands at 97.4% of the population. The average commute time for workers is 22.9 min.
Logan County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 85.9% of the population, followed by Black (non-Hispanic) (5.4%) and Two or More Races (4.6%).
All data for Logan 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.