Overview
- District ID
- il-hd-079
- State
- Illinois
- Chamber
- Lower chamber
- District Code
- 079
- Land Area
- 490.8 sq mi
- Water Area
- 5.57 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 4 counties
Places
Showing top 25 of 33 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 2 | 72,101 | 66.5% | 9.6% | 62.4% |
| IL District 1 | 34,395 | 31.7% | 4.6% | 34.1% |
| IL District 16 | 1,979 | 1.8% | 0.3% | 3.5% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 73,064
- Active Voters
- 69,243 (94.8%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 13,466 (18.4%) | <10 (—) | 0 (0.0%) |
| 2023–2024 | 46,685 (63.9%) | 4,998 (6.8%) | 5,358 (7.3%) |
| 2021–2022 | 34,512 (47.2%) | 5,550 (7.6%) | 6,874 (9.4%) |
| 2019–2020 | 44,851 (61.4%) | 10,906 (14.9%) | 5,697 (7.8%) |
| 2017–2018 | 33,078 (45.3%) | 7,159 (9.8%) | 4,433 (6.1%) |
| 2015–2016 | 37,111 (50.8%) | 11,768 (16.1%) | 9,730 (13.3%) |
| 2013–2014 | 25,401 (34.8%) | 4,976 (6.8%) | 5,202 (7.1%) |
| 2011–2012 | 30,075 (41.2%) | 3,829 (5.2%) | 4,287 (5.9%) |
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
- 106,542 (± 1,738)
- Median Age
- 38.0
- Median Household Income
- $71,063 (± $3,090)
- High School Graduate or Higher (age 25+)
- 91.5%
- Bachelor's Degree or Higher (age 25+)
- 22.0%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 23,916 | 22.4% |
| 18 to 64 | 65,675 | 61.6% |
| 65 and over | 16,951 | 15.9% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 11,724 | 11.0% |
| White, not Hispanic | 62,308 | 58.5% |
| Black, not Hispanic | 27,297 | 25.6% |
| Asian, not Hispanic | 1,102 | 1.0% |
| American Indian / Alaska Native, not Hispanic | 21 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 7 | 0.0% |
| Some other race, not Hispanic | 272 | 0.3% |
| Two or more races, not Hispanic | 3,811 | 3.6% |
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
- 103,385
- Citizen Voting Age Population (CVAP)
- 79,769
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 93,937 | 90.9% |
| Hispanic | 9,452 | 9.1% |
| White | 63,149 | 61.1% |
| Black | 27,127 | 26.2% |
| Asian | 923 | 0.9% |
| American Indian / Alaska Native | 19 | 0.0% |
| Native Hawaiian / Pacific Islander | 5 | 0.0% |
| Two or More Races | 218 | 0.2% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 74,155 | 93.0% |
| Hispanic | 5,616 | 7.0% |
| White | 51,909 | 65.1% |
| Black | 20,825 | 26.1% |
| Asian | 962 | 1.2% |
| American Indian / Alaska Native | 317 | 0.4% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 169 | 0.2% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
