Overview
- District ID
- il-hd-088
- State
- Illinois
- Chamber
- Lower chamber
- District Code
- 088
- Land Area
- 1,535.9 sq mi
- Water Area
- 10.7 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 5 counties
Places
Showing top 25 of 35 places
Overlapping Congressional Districts
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 83,215
- Active Voters
- 79,252 (95.2%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 18,325 (22.0%) | <10 (—) | <10 (—) |
| 2023–2024 | 58,802 (70.7%) | 3,698 (4.4%) | 10,602 (12.7%) |
| 2021–2022 | 45,887 (55.1%) | 4,189 (5.0%) | 14,713 (17.7%) |
| 2019–2020 | 54,155 (65.1%) | 8,885 (10.7%) | 9,959 (12.0%) |
| 2017–2018 | 42,253 (50.8%) | 6,798 (8.2%) | 11,645 (14.0%) |
| 2015–2016 | 44,847 (53.9%) | 8,463 (10.2%) | 19,487 (23.4%) |
| 2013–2014 | 30,881 (37.1%) | 1,964 (2.4%) | 11,244 (13.5%) |
| 2011–2012 | 36,021 (43.3%) | 2,120 (2.5%) | 11,022 (13.2%) |
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
- 107,558 (± 2,043)
- Median Age
- 41.3
- Median Household Income
- $93,631 (± $3,489)
- High School Graduate or Higher (age 25+)
- 95.3%
- Bachelor's Degree or Higher (age 25+)
- 41.1%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 26,294 | 24.4% |
| 18 to 64 | 60,820 | 56.5% |
| 65 and over | 20,444 | 19.0% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 3,811 | 3.5% |
| White, not Hispanic | 88,664 | 82.4% |
| Black, not Hispanic | 5,559 | 5.2% |
| Asian, not Hispanic | 5,587 | 5.2% |
| American Indian / Alaska Native, not Hispanic | 58 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 54 | 0.1% |
| Some other race, not Hispanic | 342 | 0.3% |
| Two or more races, not Hispanic | 3,483 | 3.2% |
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
- 103,424
- Citizen Voting Age Population (CVAP)
- 77,670
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 100,456 | 97.1% |
| Hispanic | 2,972 | 2.9% |
| White | 89,122 | 86.2% |
| Black | 5,516 | 5.3% |
| Asian | 2,810 | 2.7% |
| American Indian / Alaska Native | 55 | 0.1% |
| Native Hawaiian / Pacific Islander | 63 | 0.1% |
| Two or More Races | 291 | 0.3% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 76,043 | 97.9% |
| Hispanic | 1,624 | 2.1% |
| White | 69,527 | 89.5% |
| Black | 3,898 | 5.0% |
| Asian | 1,828 | 2.4% |
| American Indian / Alaska Native | 564 | 0.7% |
| Native Hawaiian / Pacific Islander | 62 | 0.1% |
| Two or More Races | 192 | 0.2% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).