Scott County, Illinois
Located in Illinois, Scott County has a population of 4,937 residents and a median age of 46.0 years, making it the #2,904 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 11.5%. The median home value is $96,400, and the median household income is $66,705, which is 11% below the national median.
Demographics
Scott County has a population of 4,937, making it the #2,904 most populous county in the US. The median age is 46.0 years, which is 18.3% 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 Scott County is $66,705, ranking #1,454 out of 3,222 counties — 11.2% below the national median. The poverty rate is 11.5% and unemployment stands at 2.7%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Scott County is $96,400 (-65.8% vs national). Renters pay a median of $689/mo and the homeownership rate is 79.0%.
Median Home Value Trend
Rankings →Household Type
Education
In Scott County, 21.5% of adults age 25+ hold a bachelor's degree or higher, which is 36.1% below the national average, ranking #1,728 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Scott County is 75.6 years. 14.6% of adults report poor or fair health and 4.9% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
13.7% of adults in Scott County smoke , 35.0% are obese , and 22.1% report excessive drinking.
Adult Smoking Trend
Safety
. Motor vehicle deaths occur at a rate of 29.0 per 100,000.
Families & Children
17.0% of children in Scott County live in poverty . The teen birth rate is 14.1 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Scott County is 70.5%. The mean commute time is 26.8 min, which is 2.9% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Scott County voted Republican with a margin of 61.2%. The vote was 18.9% Dem / 80.1% Rep. Compared to 2020, the margin shifted 5.0 toward Republicans .
Vote Share Over Time
About Scott County, Illinois
Scott County, Illinois has a total population of 4,937, making it the 2,904th most populous county in the United States. The median age in Scott County is 46.0 years, which is 18.3% above the national median of 38.9 years.
The median household income in Scott County is $66,705, which ranks #1,454 of 3,222 counties nationwide. This is 11.2% below the national median of $75,149. The poverty rate is 11.5%, lower than the national rate of 12.6%. The unemployment rate stands at 2.7%.
The median home value in Scott County is $96,400, 65.8% below the national median. Renters in Scott County pay a median gross rent of $689 per month. The homeownership rate is 79.0%, compared to the national rate of 64.4%.
In Scott County, 21.5% of residents aged 25 and older hold a bachelor's degree or higher, 36.1% below the national average of 33.7%. Health insurance coverage stands at 94.5% of the population. The average commute time for workers is 26.8 min.
Scott County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 95.4% of the population, followed by Hispanic or Latino (1.6%) and Two or More Races (1.4%).
All data for Scott 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.