119th Congress · IL-1
Illinois's 1st Congressional District
Illinois's 1st Congressional District (IL-1) has a population of 748,580. The median household income is $71,207 and the median age is 39.8.
748,580
Population
1224
People / sq mi
$71,207
Median Income
39.8
Median Age
IL-1 covers 612 sq mi of land at 1224.1 people per square mile.
Race & Ethnicity
| White | 39.2% |
| Black or African American | 48.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.1% |
Economy & Income
$71,207
Median Household Income
$38,648
Per Capita Income
11.3%
Poverty Rate
6.2%
Unemployment
Housing
$256,900
Median Home Value
$1,142
Median Rent
62.0%
Homeownership
Education
91.3%
High School+
32.1%
Bachelor's+
Other Illinois Congressional Districts
Largest cities in Illinois
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State rankings
Frequently Asked Questions
Illinois's 1st Congressional District (IL-1) has a population of 748,580 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 1st Congressional District is $71,207, with a per capita income of $38,648.
Illinois's 1st Congressional District is 39.2% White, 48.8% Black, 0.0% Asian, and 1.1% Hispanic or Latino, per Census ACS data.
More from Illinois
Data for Illinois's 1st 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 poverty rate is what most separates Illinois's 1st Congressional District from the typical congressional district: 11.3% of residents live below the federal poverty line, against 12.4% nationally. Illinois's 1st Congressional District is a congressional district in Illinois with a population of 748,580.
Median household income is $71,207, below the US median of $78,538. The poverty rate is 11.3%, below the national 12.4%. The typical home is valued at $256,900, with typical rent around $1,142.
32.1% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%.
The elevated poverty rate is the context for the rest of the profile in Illinois's 1st Congressional District: it pulls on median income, housing tenure, and the share of residents with a college degree.
Source: U.S. Census Bureau ACS, 2026.