Overview
- District ID
- il-hd-086
- State
- Illinois
- Chamber
- Lower chamber
- District Code
- 086
- Land Area
- 144.6 sq mi
- Water Area
- 5.85 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 |
|---|
| Will County | 144.55 sq mi | 100.0% | 17.3% |
Showing all 1 county
Places
Showing all 15 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 | 95,194 | 87.7% | 12.6% | 63.6% |
| IL District 1 | 13,378 | 12.3% | 1.8% | 36.4% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 64,973
- Active Voters
- 62,136 (95.6%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 8,456 (13.0%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 41,547 (63.9%) | 4,793 (7.4%) | 3,700 (5.7%) |
| 2021–2022 | 29,274 (45.1%) | 5,968 (9.2%) | 5,365 (8.3%) |
| 2019–2020 | 41,018 (63.1%) | 11,153 (17.2%) | 3,400 (5.2%) |
| 2017–2018 | 29,528 (45.4%) | 7,320 (11.3%) | 4,056 (6.2%) |
| 2015–2016 | 33,160 (51.0%) | 11,765 (18.1%) | 7,360 (11.3%) |
| 2013–2014 | 21,189 (32.6%) | 2,677 (4.1%) | 3,932 (6.1%) |
| 2011–2012 | 26,700 (41.1%) | 2,792 (4.3%) | 4,075 (6.3%) |
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
- 107,329 (± 1,925)
- Median Age
- 37.9
- Median Household Income
- $77,926 (± $4,437)
- High School Graduate or Higher (age 25+)
- 83.5%
- Bachelor's Degree or Higher (age 25+)
- 21.4%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 24,087 | 22.4% |
| 18 to 64 | 66,740 | 62.2% |
| 65 and over | 16,502 | 15.4% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 39,131 | 36.5% |
| White, not Hispanic | 47,225 | 44.0% |
| Black, not Hispanic | 16,080 | 15.0% |
| Asian, not Hispanic | 1,277 | 1.2% |
| American Indian / Alaska Native, not Hispanic | 31 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 602 | 0.6% |
| Two or more races, not Hispanic | 2,983 | 2.8% |
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
- 96,716
- Citizen Voting Age Population (CVAP)
- 73,088
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 67,584 | 69.9% |
| Hispanic | 29,132 | 30.1% |
| White | 47,775 | 49.4% |
| Black | 16,020 | 16.6% |
| Asian | 1,133 | 1.2% |
| American Indian / Alaska Native | 31 | 0.0% |
| Native Hawaiian / Pacific Islander | 2 | 0.0% |
| Two or More Races | 372 | 0.4% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 55,220 | 75.6% |
| Hispanic | 17,872 | 24.5% |
| White | 40,058 | 54.8% |
| Black | 13,469 | 18.4% |
| Asian | 1,212 | 1.7% |
| American Indian / Alaska Native | 552 | 0.8% |
| Native Hawaiian / Pacific Islander | 1 | 0.0% |
| Two or More Races | 175 | 0.2% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
