Marion County, Illinois
IL · FIPS 17121 · ACS 2024 5-Year Estimates
| Metric | Value | vs National | Rank | Percentile |
|---|---|---|---|---|
| Total Population | 37,000 | — | #1,284 / 3,222 | |
| Median Household Income | $61,240 | -18.5% | #1,961 / 3,222 | |
| Median Age | 41.5 years | +6.7% | #1,643 / 3,222 | |
| Median Home Value | $103,000 | -63.5% | #2,949 / 3,222 | |
| Median Gross Rent | $794 | -31.7% | #2,144 / 3,222 | |
| Poverty Rate | 15.4% | +22.0% | #2,019 / 3,222 | |
Demographics
Marion County has a population of 37,000, making it the #1,284 most populous county in the US. The median age is 41.5 years, which is 6.7% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Household Type
Economy
The median household income in Marion County is $61,240, ranking #1,961 out of 3,222 counties — 18.5% below the national median. The poverty rate is 15.4% and unemployment stands at 5.9%.
Median Household Income Trend
Rankings →Poverty Rate Trend
Rankings →Housing
The median home value in Marion County is $103,000 (-63.5% vs national). Renters pay a median of $794/mo and the homeownership rate is 74.7%.
Median Home Value Trend
Rankings →Health
93.6% of residents in Marion County have health insurance coverage, which is 2.1% above the national rate.
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.