Deerfield, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Deerfield, Illinois had a total population of 19,518, the 125th largest village in Illinois, with a median household income of $181,660, which is 118% higher than the state average. The poverty rate is 2.8%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 118% above the state average — one of the wealthiest communities in Illinois.
- An exceptionally low poverty rate of 2.8% — among the lowest in Illinois.
- 82.1% of adults hold a bachelor's degree or higher — top 10% in Illinois.
Deerfield Quick Facts
How Deerfield 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 | 19,185 | 19,518 | +1.7% |
| Median household income | $189,705 | $181,660 | -4.2% |
| Median home value | $608,600 | $623,400 | +2.4% |
How Deerfield 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+)
Deerfield Rankings in Illinois
Explore Illinois Rankings
Other Cities in Cook County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Chicago | 2,711,226 | $77,902 | 16.8% | $334,100 |
| Elgin | 114,934 | $90,282 | 9.8% | $273,000 |
| Cicero | 82,797 | $70,842 | 14.6% | $249,400 |
| Schaumburg | 76,868 | $97,514 | 5.7% | $330,400 |
| Evanston | 76,340 | $96,434 | 11.8% | $481,200 |
| Arlington Heights | 76,005 | $116,723 | 6.0% | $414,500 |
| Palatine | 66,293 | $97,819 | 8.2% | $355,600 |
| Skokie | 66,219 | $95,337 | 9.7% | $387,200 |
| Des Plaines | 59,156 | $97,875 | 6.0% | $335,600 |
| Orland Park | 57,916 | $98,910 | 7.3% | $367,200 |
Cities Similar to Deerfield
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Libertyville | 20,525 | $165,667 | $512,000 | 71.0% | 4.2% |
| Lake Forest | 19,416 | $235,081 | $938,300 | 80.5% | 3.5% |
| Frankfort | 20,651 | $154,375 | $481,200 | 59.3% | 3.2% |
| Lake Zurich | 19,832 | $135,968 | $435,300 | 60.7% | 3.4% |
| Geneva | 21,258 | $144,341 | $441,400 | 63.8% | 3.8% |
Population Overview
Deerfield is a small city located in Illinois, within Cook County. The total population is 19,518. It ranks as the 125th most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Deerfield is 44.5 years. This is 14% higher than the state median of 39.0 years. 10.1% 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 Deerfield is $181,660. This is 118% higher than the state median of $83,390. It is also 125% higher than the national median of $80,734. The poverty rate stands at 2.8%. This is 76% lower than the state poverty rate of 11.8%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 2.7%. This is 54% lower than the state rate of 5.8%. The median home value is $623,400. Housing costs are 137% higher than the state median of $263,300. The home-value-to-income ratio is 3.4x. 82.5% of occupied housing units are owner-occupied. This homeownership rate is 23% higher than the state average of 67.1%.
Race & Ethnicity
Deerfield has a predominantly White (non-Hispanic) population, comprising 86.1% of all residents. Asian residents account for 5.7%. The Black or African American population (0.2%) is well below the state average of 13.3%. The Hispanic or Latino population (5.4%) is well below the state average of 18.8%.
Education
82.1% of residents aged 25 and older hold a bachelor's degree or higher. This places Deerfield in the top 10% of all cities in the state for educational attainment. This is 117% higher 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 98.7%. Notably, 41.3% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Deerfield, 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 Deerfield, Illinois?
Deerfield, Illinois has a population of 19,518 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Deerfield, IL?
The median household income in Deerfield is $181,660, which is 125% higher than the national median of $80,734.
What is the poverty rate in Deerfield, IL?
The poverty rate in Deerfield is 2.8%. This means approximately 552 residents live below the federal poverty line.
What is the racial makeup of Deerfield, Illinois?
Deerfield's population is 86.1% White, 0.2% Black, 5.4% Hispanic/Latino, and 5.7% Asian.
What is the median home value in Deerfield, IL?
The median home value in Deerfield is $623,400. The home-value-to-income ratio is 3.4x.
How educated is Deerfield, Illinois?
82.1% of adults (25+) in Deerfield hold a bachelor's degree or higher, and 41.3% hold a graduate or professional degree.