Overview
- District ID
- il-hd-001
- State
- Illinois
- Chamber
- Lower chamber
- District Code
- 001
- Land Area
- 11.2 sq mi
- Water Area
- 0.18 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
| County | Overlap | Share of district land | Share of county land |
|---|
| Cook County | 11.18 sq mi | 100.0% | 1.2% |
Showing all 1 county
Places
Showing all 3 places
Overlapping Congressional Districts
| Congressional district | Population in both | Share of this district's population | Share of the congressional district's population | Share of this district's land |
|---|
| IL District 4 | 100,137 | 92.4% | 13.3% | 94.9% |
| IL District 6 | 4,410 | 4.1% | 0.6% | 3.3% |
| IL District 7 | 3,871 | 3.6% | 0.5% | 1.8% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 49,941
- Active Voters
- 47,373 (94.9%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 291 (0.6%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 25,260 (50.6%) | 5,965 (11.9%) | 1,215 (2.4%) |
| 2021–2022 | 13,872 (27.8%) | 4,343 (8.7%) | 840 (1.7%) |
| 2019–2020 | 25,787 (51.6%) | 11,366 (22.8%) | 576 (1.2%) |
| 2017–2018 | 17,387 (34.8%) | 9,530 (19.1%) | 600 (1.2%) |
| 2015–2016 | 22,508 (45.1%) | 14,404 (28.8%) | 1,360 (2.7%) |
| 2013–2014 | 10,535 (21.1%) | 2,909 (5.8%) | 539 (1.1%) |
| 2011–2012 | 14,788 (29.6%) | 3,890 (7.8%) | 565 (1.1%) |
Turnout counts today's registered voters with a counted ballot in the cycle's elections (the odd and even year), as a share of today's registered voters. Voters who have since left the rolls are not counted.
Browse the voter list for this district (premium access; sign-in required)
Source: Civitech voter file snapshot as of 12/15/2025. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".
Demographics
- Total Population
- 103,934 (± 4,694)
- Median Age
- 37.0
- Median Household Income
- $67,157 (± $4,869)
- High School Graduate or Higher (age 25+)
- 70.5%
- Bachelor's Degree or Higher (age 25+)
- 17.5%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 24,930 | 24.0% |
| 18 to 64 | 64,698 | 62.2% |
| 65 and over | 14,306 | 13.8% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 82,216 | 79.1% |
| White, not Hispanic | 11,503 | 11.1% |
| Black, not Hispanic | 5,979 | 5.8% |
| Asian, not Hispanic | 3,415 | 3.3% |
| American Indian / Alaska Native, not Hispanic | 100 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 48 | 0.0% |
| Some other race, not Hispanic | 165 | 0.2% |
| Two or more races, not Hispanic | 508 | 0.5% |
Source: U.S. Census Bureau, American Community Survey 2020-2024 ACS 5-year estimates (tables B01001, B01002, B01003, B03002, B15003, B19013) for this state legislative district. Estimates are survey-based; ± figures are 90% margins of error.
Citizen Voting Age Population
- Total Citizen Population
- 80,768
- Citizen Voting Age Population (CVAP)
- 56,491
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 20,089 | 24.9% |
| Hispanic | 60,681 | 75.1% |
| White | 10,872 | 13.5% |
| Black | 5,898 | 7.3% |
| Asian | 2,713 | 3.4% |
| American Indian / Alaska Native | 101 | 0.1% |
| Native Hawaiian / Pacific Islander | 50 | 0.1% |
| Two or More Races | 80 | 0.1% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 17,056 | 30.2% |
| Hispanic | 39,429 | 69.8% |
| White | 9,851 | 17.4% |
| Black | 4,539 | 8.0% |
| Asian | 2,397 | 4.2% |
| American Indian / Alaska Native | 270 | 0.5% |
| Native Hawaiian / Pacific Islander | 48 | 0.1% |
| Two or More Races | 80 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).