Eldorado, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Eldorado, Illinois had a total population of 3,771, the 390th largest city in Illinois, with a median household income of $37,154, which is 55% lower than the state average. The poverty rate is 22.4%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 55% below the state average, indicating significant economic challenges.
- Housing is very affordable with a home-value-to-income ratio of just 1.8x.
- Near full employment with an unemployment rate of just 1.7%.
Eldorado Quick Facts
How Eldorado Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 3,762 | 3,771 | +0.2% |
| Median household income | $39,766 | $37,154 | -6.6% |
| Median home value | $68,600 | $66,200 | -3.5% |
How Eldorado Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 61 | National average: 61
Education
Educational Attainment (Adults 25+)
Eldorado Rankings in Illinois
Explore Illinois Rankings
Other Cities in Saline County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Harrisburg | 8,372 | $43,415 | 29.0% | $84,100 |
| Carrier Mills | 1,634 | $50,729 | 25.4% | $60,100 |
| Galatia | 913 | $48,258 | 7.3% | $70,200 |
| Raleigh | 235 | $49,167 | 17.4% | $80,000 |
| Muddy | 67 | N/A | 29.0% | N/A |
Cities Similar to Eldorado
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Lawrenceville | 3,941 | $41,005 | $71,300 | 15.5% | 17.4% |
| Fulton | 3,709 | $45,581 | $121,700 | 21.2% | 14.8% |
| Anna | 4,196 | $33,137 | $134,300 | 15.1% | 34.4% |
| Gibson City | 3,434 | $42,955 | $153,800 | 13.8% | 14.3% |
| Johnston City | 3,327 | $42,465 | $88,100 | 19.2% | 17.8% |
Population Overview
Eldorado is a small community located in Illinois, within Saline County. The total population is 3,771. It ranks as the 390th most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Eldorado is 46.6 years. This is 19% higher than the state median of 39.0 years. 11.6% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Eldorado is $37,154. This is 55% lower than the state median of $83,390. It is also 54% lower than the national median of $80,734. The poverty rate stands at 22.4%. This is 90% higher than the state poverty rate of 11.8%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 1.7%. This is 70% lower than the state rate of 5.8%. The median home value is $66,200. Housing costs are 75% lower than the state median of $263,300. With a home-value-to-income ratio of just 1.8x, Eldorado is one of the most affordable housing markets in the area. 62.4% of occupied housing units are owner-occupied. This homeownership rate is 7% lower than the state average of 67.1%.
Race & Ethnicity
Eldorado has a predominantly White (non-Hispanic) population, comprising 90.5% of all residents. Hispanic or Latino residents account for 4.9%. The White (non-Hispanic) population is significantly higher than the state average (90.5% vs 58.1%). The Black or African American population (0.3%) is well below the state average of 13.3%. The Hispanic or Latino population (4.9%) is well below the state average of 18.8%. The Asian population (1.6%) is well below the state average of 5.9%.
Education
16.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 56% lower than the state rate of 37.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 91.4%.
Data Sources & Methodology
All demographic data for Eldorado, Illinois is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Illinois state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,445 Census-designated places in Illinois. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Eldorado, Illinois?
Eldorado, Illinois has a population of 3,771 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Eldorado, IL?
The median household income in Eldorado is $37,154, which is 54% lower than the national median of $80,734.
What is the poverty rate in Eldorado, IL?
The poverty rate in Eldorado is 22.4%. This means approximately 825 residents live below the federal poverty line.
What is the racial makeup of Eldorado, Illinois?
Eldorado's population is 90.5% White, 0.3% Black, 4.9% Hispanic/Latino, and 1.6% Asian.
What is the median home value in Eldorado, IL?
The median home value in Eldorado is $66,200. The home-value-to-income ratio is 1.8x.
How educated is Eldorado, Illinois?
16.6% of adults (25+) in Eldorado hold a bachelor's degree or higher, and 4.9% hold a graduate or professional degree.