Overview
- District ID
- il-hd-036
- State
- Illinois
- Chamber
- Lower chamber
- District Code
- 036
- Land Area
- 32.4 sq mi
- Water Area
- 1.2 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 | 32.40 sq mi | 100.0% | 3.4% |
Showing all 1 county
Places
Showing all 9 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 6 | 100,185 | 92.1% | 13.3% | 94.8% |
| IL District 1 | 8,565 | 7.9% | 1.1% | 5.2% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 78,680
- Active Voters
- 76,007 (96.6%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 9,728 (12.4%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 49,273 (62.6%) | 12,747 (16.2%) | 3,867 (4.9%) |
| 2021–2022 | 34,844 (44.3%) | 9,421 (12.0%) | 5,201 (6.6%) |
| 2019–2020 | 48,699 (61.9%) | 19,182 (24.4%) | 2,257 (2.9%) |
| 2017–2018 | 36,646 (46.6%) | 15,581 (19.8%) | 3,846 (4.9%) |
| 2015–2016 | 40,641 (51.7%) | 18,861 (24.0%) | 8,058 (10.2%) |
| 2013–2014 | 26,358 (33.5%) | 4,438 (5.6%) | 4,322 (5.5%) |
| 2011–2012 | 31,401 (39.9%) | 6,228 (7.9%) | 4,434 (5.6%) |
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
- 108,732 (± 1,921)
- Median Age
- 40.1
- Median Household Income
- $85,660 (± $4,174)
- High School Graduate or Higher (age 25+)
- 91.1%
- Bachelor's Degree or Higher (age 25+)
- 35.5%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 25,216 | 23.2% |
| 18 to 64 | 63,586 | 58.5% |
| 65 and over | 19,930 | 18.3% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 19,660 | 18.1% |
| White, not Hispanic | 67,439 | 62.0% |
| Black, not Hispanic | 14,622 | 13.4% |
| Asian, not Hispanic | 1,975 | 1.8% |
| American Indian / Alaska Native, not Hispanic | 117 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 394 | 0.4% |
| Two or more races, not Hispanic | 4,525 | 4.2% |
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
- 102,406
- Citizen Voting Age Population (CVAP)
- 77,576
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 84,701 | 82.7% |
| Hispanic | 17,706 | 17.3% |
| White | 65,515 | 64.0% |
| Black | 14,656 | 14.3% |
| Asian | 1,671 | 1.6% |
| American Indian / Alaska Native | 111 | 0.1% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 142 | 0.1% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 66,493 | 85.7% |
| Hispanic | 11,083 | 14.3% |
| White | 51,584 | 66.5% |
| Black | 12,487 | 16.1% |
| Asian | 1,969 | 2.5% |
| American Indian / Alaska Native | 488 | 0.6% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 58 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
