119th Congress · IL-11
Illinois's 11th Congressional District
Illinois's 11th Congressional District (IL-11) has a population of 750,921. The median household income is $106,961 and the median age is 39.3.
750,921
Population
817
People / sq mi
$106,961
Median Income
39.3
Median Age
IL-11 covers 919 sq mi of land at 817.4 people per square mile.
Race & Ethnicity
| White | 68.1% |
| Black or African American | 6.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.3% |
Economy & Income
$106,961
Median Household Income
$51,549
Per Capita Income
5.0%
Poverty Rate
3.3%
Unemployment
Housing
$323,800
Median Home Value
$1,589
Median Rent
75.4%
Homeownership
Education
91.9%
High School+
44.8%
Bachelor's+
Other Illinois Congressional Districts
Largest cities in Illinois
Largest counties in Illinois
State rankings
Frequently Asked Questions
Illinois's 11th Congressional District (IL-11) has a population of 750,921 according to the latest Census ACS 5-Year estimates. Each US Congressional District is drawn to be roughly equal in population (~760K people).
The median household income in Illinois's 11th Congressional District is $106,961, with a per capita income of $51,549.
Illinois's 11th Congressional District is 68.1% White, 6.1% Black, 0.0% Asian, and 1.3% Hispanic or Latino, per Census ACS data.
More from Illinois
Data for Illinois's 11th Congressional District (119th Congress) from the American Community Survey 5-Year estimates. Land area from the Census Gazetteer files. Congressional districts are redrawn after each decennial Census; the 119th Congress (current) uses post-2020 boundaries.
The this entity record above pulls directly from the U.S. Census Bureau ACS and decennial files. What follows is the per-entity context — how this entity sits in the broader U.S. population demographics distribution and which underlying factors drive the headline numbers.
Every number on this page links back to the U.S. Census Bureau ACS and decennial files; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. states, metros, cities, and ZIPs. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: U.S. Census Bureau ACS, 2026.