Marion County, Illinois

IL · FIPS 17121 · ACS 2024 5-Year Estimates

Key Statistics

Total Population
37,000
Rank #1,284 of 3,222
60th %ile
Median Household Income
$61,240 −18.5% vs nat'l
Rank #1,961 of 3,222
39th %ile
Poverty Rate
15.4% +22.0% vs nat'l
Rank #2,019 of 3,222
37th %ile
Median Home Value
$103,000 −63.5% vs nat'l
Rank #2,949 of 3,222
8th %ile
Bachelor's Degree or Higher
16.8% −50.3% vs nat'l
Rank #2,541 of 3,222
21th %ile
Unemployment Rate
5.9% +10.6% vs nat'l
Rank #2,468 of 3,222
23th %ile

At a Glance

74.7% Homeownership
93.6% Insured
16.8% 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 LatinoOther (non-Hispanic)Asian (non-Hispanic)American Indian (non-Hispanic)Native Hawaiian/Pacific Islander0.0%27.0%54.1%81.1%89.1%4.2%2.9%2.2%0.8%0.7%0.1%0.0%

About Marion County, Illinois

Marion County, Illinois has a total population of 37,000, making it the 1,284th most populous county in the United States. The median age in Marion County is 41.5 years, which is 6.7% above the national median of 38.9 years.

The median household income in Marion County is $61,240, which ranks #1,961 of 3,222 counties nationwide. This is 18.5% below the national median of $75,149. The poverty rate is 15.4%, higher than the national rate of 12.6%. The unemployment rate stands at 5.9%.

The median home value in Marion County is $103,000, 63.5% below the national median. Renters in Marion County pay a median gross rent of $794 per month. The homeownership rate is 74.7%, compared to the national rate of 64.4%.

In Marion County, 16.8% of residents aged 25 and older hold a bachelor's degree or higher, 50.3% below the national average of 33.7%. Health insurance coverage stands at 93.6% of the population. The average commute time for workers is 23.1 min.

Marion County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 89.1% of the population, followed by Two or More Races (4.2%) and Black (non-Hispanic) (2.9%).

All data for Marion 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.