Overview
- District ID
- il-hd-075
- State
- Illinois
- Chamber
- Lower chamber
- District Code
- 075
- Land Area
- 518.2 sq mi
- Water Area
- 4.37 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 5 counties
Places
Showing all 19 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 14 | 85,825 | 79.0% | 11.4% | 79.7% |
| IL District 16 | 22,828 | 21.0% | 3.0% | 20.3% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 86,069
- Active Voters
- 78,669 (91.4%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 13,244 (15.4%) | <10 (—) | 1,498 (1.7%) |
| 2023–2024 | 56,538 (65.7%) | 3,675 (4.3%) | 8,493 (9.9%) |
| 2021–2022 | 40,821 (47.4%) | 4,464 (5.2%) | 11,856 (13.8%) |
| 2019–2020 | 50,908 (59.1%) | 9,619 (11.2%) | 7,866 (9.1%) |
| 2017–2018 | 37,776 (43.9%) | 6,199 (7.2%) | 7,715 (9.0%) |
| 2015–2016 | 40,127 (46.6%) | 8,560 (9.9%) | 13,766 (16.0%) |
| 2013–2014 | 25,003 (29.0%) | 978 (1.1%) | 8,045 (9.3%) |
| 2011–2012 | 30,032 (34.9%) | 1,622 (1.9%) | 7,510 (8.7%) |
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
- 112,746 (± 1,996)
- Median Age
- 37.7
- Median Household Income
- $102,090 (± $3,857)
- High School Graduate or Higher (age 25+)
- 94.3%
- Bachelor's Degree or Higher (age 25+)
- 30.7%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 27,788 | 24.6% |
| 18 to 64 | 68,627 | 60.9% |
| 65 and over | 16,331 | 14.5% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 17,606 | 15.6% |
| White, not Hispanic | 83,347 | 73.9% |
| Black, not Hispanic | 5,272 | 4.7% |
| Asian, not Hispanic | 1,870 | 1.7% |
| American Indian / Alaska Native, not Hispanic | 195 | 0.2% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 240 | 0.2% |
| Two or more races, not Hispanic | 4,216 | 3.7% |
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
- 110,539
- Citizen Voting Age Population (CVAP)
- 82,810
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 93,942 | 85.0% |
| Hispanic | 16,595 | 15.0% |
| White | 84,027 | 76.0% |
| Black | 5,179 | 4.7% |
| Asian | 1,527 | 1.4% |
| American Indian / Alaska Native | 195 | 0.2% |
| Native Hawaiian / Pacific Islander | 3 | 0.0% |
| Two or More Races | 346 | 0.3% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 72,581 | 87.6% |
| Hispanic | 10,232 | 12.4% |
| White | 64,973 | 78.5% |
| Black | 4,716 | 5.7% |
| Asian | 1,786 | 2.2% |
| American Indian / Alaska Native | 1,031 | 1.2% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 125 | 0.2% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
