Sheridan, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Sheridan, Illinois had a total population of 2,519, the 457th largest village in Illinois, with a median household income of $85,250, which is 2% higher than the state average. The poverty rate is 10.9%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Only 4.9% of adults have a bachelor's degree, well below the national average of 35.7%.
- Housing is very affordable with a home-value-to-income ratio of just 2.2x.
Sheridan Quick Facts
How Sheridan 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 | 2,610 | 2,519 | -3.5% |
| Median household income | $73,214 | $85,250 | +16.4% |
| Median home value | $183,200 | $186,400 | +1.7% |
How Sheridan 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 diverse community with significant representation from multiple racial and ethnic groups.
State average: 61 | National average: 61
Education
Educational Attainment (Adults 25+)
Sheridan Rankings in Illinois
Explore Illinois Rankings
Other Cities in LaSalle County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Ottawa | 18,447 | $71,413 | 17.3% | $154,000 |
| Streator | 12,330 | $57,609 | 20.3% | $94,700 |
| Peru | 9,775 | $74,808 | 9.0% | $154,300 |
| LaSalle | 9,498 | $57,732 | 18.8% | $113,500 |
| Mendota | 6,994 | $51,632 | 14.1% | $134,100 |
| Lake Holiday | 5,641 | $107,875 | 2.9% | $256,400 |
| Marseilles | 4,279 | $58,217 | 21.5% | $142,500 |
| Oglesby | 3,570 | $76,189 | 9.6% | $139,700 |
| Seneca | 2,450 | $86,830 | 22.2% | $227,500 |
| Earlville | 1,942 | $63,553 | 16.5% | $142,200 |
Cities Similar to Sheridan
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Seneca | 2,450 | $86,830 | $227,500 | 14.9% | 22.2% |
| Round Lake Heights | 2,592 | $78,986 | $216,800 | 18.4% | 14.5% |
| Marquette Heights | 2,492 | $75,625 | $123,800 | 25.2% | 3.7% |
| Trenton | 2,664 | $80,795 | $178,200 | 30.7% | 12.4% |
| Heyworth | 2,573 | $96,500 | $210,600 | 30.9% | 6.1% |
Population Overview
Sheridan is a small community located in Illinois, within LaSalle County. The total population is 2,519. It ranks as the 457th most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Sheridan is 36.1 years. This is 7% lower than the state median of 39.0 years. Only 7.6% of residents are under 18, indicating fewer families with children.
Economy, Income & Housing
The median household income in Sheridan is $85,250. This is 2% higher than the state median of $83,390. It is also 6% higher than the national median of $80,734. The poverty rate stands at 10.9%. This is 8% lower than the state poverty rate of 11.8%. The unemployment rate is 8.0%. This is 36% higher than the state rate of 5.8%. The median home value is $186,400. Housing costs are 29% lower than the state median of $263,300. With a home-value-to-income ratio of just 2.2x, Sheridan is one of the most affordable housing markets in the area. 78.8% of occupied housing units are owner-occupied. This homeownership rate is 17% higher than the state average of 67.1%.
Race & Ethnicity
The largest racial or ethnic group in Sheridan is White (non-Hispanic), making up 47.5% of the population. Black or African American residents account for 41.6%. The Black or African American population is significantly higher than the state average (41.6% vs 13.3%). The Hispanic or Latino population (8.6%) is well below the state average of 18.8%.
Education
4.9% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 87% 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 70.6%.
Data Sources & Methodology
All demographic data for Sheridan, 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 Sheridan, Illinois?
Sheridan, Illinois has a population of 2,519 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Sheridan, IL?
The median household income in Sheridan is $85,250, which is 6% higher than the national median of $80,734.
What is the poverty rate in Sheridan, IL?
The poverty rate in Sheridan is 10.9%. This means approximately 97 residents live below the federal poverty line.
What is the racial makeup of Sheridan, Illinois?
Sheridan's population is 47.5% White, 41.6% Black, 8.6% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Sheridan, IL?
The median home value in Sheridan is $186,400. The home-value-to-income ratio is 2.2x.
How educated is Sheridan, Illinois?
4.9% of adults (25+) in Sheridan hold a bachelor's degree or higher, and 1.5% hold a graduate or professional degree.