Delavan, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Delavan, Illinois had a total population of 1,489, the 586th largest city in Illinois, with a median household income of $62,841, which is 25% lower than the state average. The poverty rate is 11.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Housing is very affordable with a home-value-to-income ratio of just 2.0x.
Delavan Quick Facts
How Delavan 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 | 1,600 | 1,489 | -6.9% |
| Median household income | $69,038 | $62,841 | -9.0% |
| Median home value | $118,400 | $123,600 | +4.4% |
How Delavan 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+)
Delavan Rankings in Illinois
Explore Illinois Rankings
Other Cities in Tazewell County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| East Peoria | 22,324 | $71,833 | 11.8% | $163,500 |
| Morton | 16,595 | $94,402 | 6.5% | $239,400 |
| Washington | 15,919 | $95,179 | 5.1% | $221,900 |
| Creve Coeur | 4,621 | $47,993 | 17.7% | $85,500 |
| Marquette Heights | 2,492 | $75,625 | 3.7% | $123,800 |
| Tremont | 2,366 | $79,810 | 5.1% | $187,400 |
| Mackinaw | 1,979 | $67,292 | 8.2% | $158,300 |
| North Pekin | 1,571 | $80,224 | 7.7% | $125,600 |
| Heritage Lake | 1,522 | $133,048 | 7.8% | $207,300 |
| Minier | 1,102 | $88,542 | 6.3% | $148,400 |
Cities Similar to Delavan
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Toulon | 1,485 | $59,167 | $95,500 | 19.9% | 11.3% |
| Mount Pulaski | 1,507 | $66,176 | $110,500 | 23.4% | 5.9% |
| Palestine | 1,430 | $62,850 | $81,300 | 12.0% | 15.0% |
| Mount Carroll | 1,501 | $58,500 | $86,600 | 21.5% | 14.1% |
| East Dubuque | 1,470 | $67,891 | $144,000 | 23.6% | 12.3% |
Population Overview
Delavan is a small community located in Illinois, within Tazewell County. The total population is 1,489. It ranks as the 586th most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Delavan is 38.1 years. This is 2% lower than the state median of 39.0 years. With 28.0% of the population under 18, Delavan has a notably young demographic profile, suggesting a family-oriented community. 11.1% 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 Delavan is $62,841. This is 25% lower than the state median of $83,390. It is also 22% lower than the national median of $80,734. The poverty rate stands at 11.0%. This is 7% lower than the state poverty rate of 11.8%. The unemployment rate is 5.8%. The median home value is $123,600. Housing costs are 53% lower than the state median of $263,300. With a home-value-to-income ratio of just 2.0x, Delavan is one of the most affordable housing markets in the area. 75.3% of occupied housing units are owner-occupied. This homeownership rate is 12% higher than the state average of 67.1%.
Race & Ethnicity
Delavan has a predominantly White (non-Hispanic) population, comprising 91.1% of all residents. Hispanic or Latino residents account for 4.9%. The White (non-Hispanic) population is significantly higher than the state average (91.1% vs 58.1%). The Hispanic or Latino population (4.9%) is well below the state average of 18.8%.
Education
19.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 50% 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 91.2%.
Data Sources & Methodology
All demographic data for Delavan, 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 Delavan, Illinois?
Delavan, Illinois has a population of 1,489 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Delavan, IL?
The median household income in Delavan is $62,841, which is 22% lower than the national median of $80,734.
What is the poverty rate in Delavan, IL?
The poverty rate in Delavan is 11.0%. This means approximately 163 residents live below the federal poverty line.
What is the racial makeup of Delavan, Illinois?
Delavan's population is 91.1% White, 0.0% Black, 4.9% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Delavan, IL?
The median home value in Delavan is $123,600. The home-value-to-income ratio is 2.0x.
How educated is Delavan, Illinois?
19.1% of adults (25+) in Delavan hold a bachelor's degree or higher, and 2.5% hold a graduate or professional degree.