Jefferson County, Illinois

IL · FIPS 17081 · ACS 2024 5-Year Estimates

Key Statistics

Total Population
36,550
Rank #1,304 of 3,222
60th %ile
Median Household Income
$63,118 −16.0% vs nat'l
Rank #1,783 of 3,222
45th %ile
Poverty Rate
13.5% +7.4% vs nat'l
Rank #1,653 of 3,222
49th %ile
Median Home Value
$126,000 −55.3% vs nat'l
Rank #2,560 of 3,222
20th %ile
Bachelor's Degree or Higher
18.2% −46.1% vs nat'l
Rank #2,330 of 3,222
28th %ile
Unemployment Rate
5.8% +8.9% vs nat'l
Rank #2,423 of 3,222
25th %ile

At a Glance

71.7% Homeownership
92.8% Insured
18.2% Bachelor's+

Age & Sex Distribution

MaleFemale
0-910-1920-2930-3940-4950-5960-6970-7980+10%5%0%5%10%

Race & Ethnicity

White (non-Hispanic)Two or More RacesBlack (non-Hispanic)Hispanic or LatinoAsian (non-Hispanic)Other (non-Hispanic)American Indian (non-Hispanic)0.0%13.7%27.4%41.0%54.7%68.4%82.1%83.6%6.0%5.8%2.8%1.0%0.4%0.3%

About Jefferson County, Illinois

Jefferson County, Illinois has a total population of 36,550, making it the 1,304th most populous county in the United States. The median age in Jefferson County is 41.2 years, which is 5.9% above the national median of 38.9 years.

The median household income in Jefferson County is $63,118, which ranks #1,783 of 3,222 counties nationwide. This is 16.0% below the national median of $75,149. The poverty rate is 13.5%, higher than the national rate of 12.6%. The unemployment rate stands at 5.8%.

The median home value in Jefferson County is $126,000, 55.3% below the national median. Renters in Jefferson County pay a median gross rent of $885 per month. The homeownership rate is 71.7%, compared to the national rate of 64.4%.

In Jefferson County, 18.2% of residents aged 25 and older hold a bachelor's degree or higher, 46.1% below the national average of 33.7%. Health insurance coverage stands at 92.8% of the population. The average commute time for workers is 21.8 min.

Jefferson County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 83.6% of the population, followed by Two or More Races (6.0%) and Black (non-Hispanic) (5.8%).

All data for Jefferson 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.

About this data

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.