Darien city, Illinois Demographics & Population 2026
As of 2026, Darien city, Illinois has a total population of 21,855, the 110th largest city in Illinois, with a median household income of $109,354, which is 34% higher than the state average. The poverty rate is 3.8%.
Key Takeaways
- Household income is 34% above the state average — one of the wealthiest communities in Illinois.
- An exceptionally low poverty rate of 3.8% — among the lowest in Illinois.
- 51.7% of adults hold a bachelor's degree or higher — top 10% in Illinois.
Darien city Quick Facts
How Darien city Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 60 | National average: 60
Education
Educational Attainment (Adults 25+)
Darien city Rankings in Illinois
Explore Illinois Rankings
Cities Similar to Darien city
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Yorkville city | 22,350 | $108,775 | $314,200 | 40.7% | 3.1% |
| Roselle village | 22,731 | $109,118 | $318,000 | 41.8% | 3.6% |
| Grayslake village | 20,707 | $113,697 | $293,900 | 59.1% | 5.6% |
| Bloomingdale village | 22,388 | $98,891 | $363,100 | 43.7% | 6.8% |
| Lisle village | 23,413 | $106,173 | $407,000 | 62.4% | 5.7% |
Population Overview
Darien city is a small city located in Illinois. The total population is 21,855. It ranks as the 110th most populous out of 1,445 cities and towns in Illinois.
Age Demographics
The median age in Darien city is 44.8 years. This is 15% higher than the state median of 38.9 years.
Economy, Income & Housing
The median household income in Darien city is $109,354. This is 34% higher than the state median of $81,702. Compared to the national median of $78,538, household income here is 39% higher. The poverty rate stands at 3.8%. This is 67% lower than the state poverty rate of 11.7%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 3.9%. This is 32% lower than the state rate of 5.8%. The median home value is $386,400. Housing costs are 54% higher than the state median of $250,500. The home-value-to-income ratio is 3.5x. 78.5% of occupied housing units are owner-occupied. This homeownership rate is 17% higher than the state average of 66.8%.
Race & Ethnicity
The largest racial or ethnic group in Darien city is White (non-Hispanic), making up 73.6% of the population. Asian residents account for 11.1%. The Black or African American population (2.7%) is well below the state average of 13.6%. The Hispanic or Latino population (8.6%) is well below the state average of 18.5%. The Asian population is significantly higher than the state average (11.1% vs 5.8%).
Education
51.7% of residents aged 25 and older hold a bachelor's degree or higher. This places Darien city in the top 10% of all cities in the state for educational attainment. This is 39% higher than the state rate of 37.2%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.1%. Notably, 19.9% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Darien city, Illinois is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. 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. For official data, visit data.census.gov.
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Frequently Asked Questions
What is the population of Darien city, Illinois?
Darien city, Illinois has a population of 21,855 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Darien city, IL?
The median household income in Darien city is $109,354, which is 39% higher the national median of $78,538.
What is the poverty rate in Darien city, IL?
The poverty rate in Darien city is 3.8%. This means approximately 836 residents live below the federal poverty line.
What is the racial makeup of Darien city, Illinois?
Darien city's population is 73.6% White, 2.7% Black, 8.6% Hispanic/Latino, and 11.1% Asian.
What is the median home value in Darien city, IL?
The median home value in Darien city is $386,400. The home-value-to-income ratio is 3.5x.
How educated is Darien city, Illinois?
51.7% of adults (25+) in Darien city hold a bachelor's degree or higher, and 19.9% hold a graduate or professional degree.