Carol Stream, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Carol Stream, Illinois had a total population of 39,460, the 42nd largest village in Illinois, with a median household income of $102,309, which is 23% higher than the state average. The poverty rate is 6.4%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Carol Stream Quick Facts
How Carol Stream 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 | 39,427 | 39,460 | +0.1% |
| Median household income | $105,395 | $102,309 | -2.9% |
| Median home value | $308,700 | $335,000 | +8.5% |
How Carol Stream 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+)
Carol Stream Rankings in Illinois
Explore Illinois Rankings
Other Cities in DuPage County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Aurora | 179,898 | $93,633 | 9.5% | $274,800 |
| Naperville | 150,692 | $155,105 | 4.5% | $540,200 |
| Bolingbrook | 74,096 | $108,400 | 9.2% | $314,700 |
| Wheaton | 53,557 | $120,008 | 5.6% | $455,700 |
| Downers Grove | 50,054 | $115,114 | 5.5% | $449,800 |
| Lombard | 43,619 | $100,362 | 7.2% | $335,700 |
| Addison | 35,489 | $90,431 | 8.7% | $341,300 |
| St. Charles | 32,854 | $114,300 | 4.5% | $377,400 |
| Glendale Heights | 32,808 | $86,545 | 10.3% | $261,700 |
| Glen Ellyn | 28,390 | $140,938 | 6.3% | $544,000 |
Cities Similar to Carol Stream
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Streamwood | 39,001 | $101,218 | $271,200 | 27.8% | 10.2% |
| Crystal Lake | 40,579 | $108,418 | $311,400 | 42.0% | 6.8% |
| Romeoville | 41,152 | $106,325 | $257,100 | 28.3% | 5.5% |
| Lombard | 43,619 | $100,362 | $335,700 | 49.9% | 7.2% |
| Wheeling | 38,433 | $85,205 | $266,200 | 40.8% | 10.0% |
Population Overview
Carol Stream is a mid-sized community located in Illinois, within DuPage County. The total population is 39,460. It ranks as the 42nd most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Carol Stream is 40.4 years. This is 4% higher than the state median of 39.0 years.
Economy, Income & Housing
The median household income in Carol Stream is $102,309. This is 23% higher than the state median of $83,390. It is also 27% higher than the national median of $80,734. The poverty rate stands at 6.4%. This is 45% lower than the state poverty rate of 11.8%. The unemployment rate is 3.9%. This is 33% lower than the state rate of 5.8%. The median home value is $335,000. Housing costs are 27% higher than the state median of $263,300. The home-value-to-income ratio is 3.3x. 67.3% of occupied housing units are owner-occupied.
Race & Ethnicity
The largest racial or ethnic group in Carol Stream is White (non-Hispanic), making up 50.1% of the population. Asian residents account for 19.3%. The Black or African American population (6.3%) is well below the state average of 13.3%. The Asian population is significantly higher than the state average (19.3% vs 5.9%).
Education
42.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 13% 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 89.8%.
Data Sources & Methodology
All demographic data for Carol Stream, 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.
Free data download: Get all Illinois city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of Carol Stream, Illinois?
Carol Stream, Illinois has a population of 39,460 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Carol Stream, IL?
The median household income in Carol Stream is $102,309, which is 27% higher than the national median of $80,734.
What is the poverty rate in Carol Stream, IL?
The poverty rate in Carol Stream is 6.4%. This means approximately 2,527 residents live below the federal poverty line.
What is the racial makeup of Carol Stream, Illinois?
Carol Stream's population is 50.1% White, 6.3% Black, 18.4% Hispanic/Latino, and 19.3% Asian.
What is the median home value in Carol Stream, IL?
The median home value in Carol Stream is $335,000. The home-value-to-income ratio is 3.3x.
How educated is Carol Stream, Illinois?
42.8% of adults (25+) in Carol Stream hold a bachelor's degree or higher, and 13.4% hold a graduate or professional degree.