Overview
- District ID
- il-hd-056
- State
- Illinois
- Chamber
- Lower chamber
- District Code
- 056
- Land Area
- 39.7 sq mi
- Water Area
- 0.62 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 2 counties
Places
Showing all 12 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 8 | 90,335 | 83.3% | 12.0% | 74.4% |
| IL District 3 | 11,781 | 10.9% | 1.6% | 17.7% |
| IL District 5 | 6,297 | 5.8% | 0.8% | 7.9% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 70,326
- Active Voters
- 67,161 (95.5%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 10,213 (14.5%) | <10 (—) | <10 (—) |
| 2023–2024 | 42,646 (60.6%) | 6,004 (8.5%) | 3,231 (4.6%) |
| 2021–2022 | 27,755 (39.5%) | 6,579 (9.4%) | 4,209 (6.0%) |
| 2019–2020 | 42,099 (59.9%) | 10,828 (15.4%) | 2,746 (3.9%) |
| 2017–2018 | 28,752 (40.9%) | 7,806 (11.1%) | 4,172 (5.9%) |
| 2015–2016 | 32,661 (46.4%) | 11,091 (15.8%) | 7,428 (10.6%) |
| 2013–2014 | 18,624 (26.5%) | 1,527 (2.2%) | 3,890 (5.5%) |
| 2011–2012 | 24,713 (35.1%) | 3,049 (4.3%) | 4,011 (5.7%) |
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
- 106,260 (± 2,591)
- Median Age
- 40.8
- Median Household Income
- $93,657 (± $3,953)
- High School Graduate or Higher (age 25+)
- 90.6%
- Bachelor's Degree or Higher (age 25+)
- 41.5%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 23,720 | 22.3% |
| 18 to 64 | 63,194 | 59.5% |
| 65 and over | 19,346 | 18.2% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 22,173 | 20.9% |
| White, not Hispanic | 56,294 | 53.0% |
| Black, not Hispanic | 5,523 | 5.2% |
| Asian, not Hispanic | 18,037 | 17.0% |
| American Indian / Alaska Native, not Hispanic | 41 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 17 | 0.0% |
| Some other race, not Hispanic | 406 | 0.4% |
| Two or more races, not Hispanic | 3,769 | 3.5% |
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
- 89,821
- Citizen Voting Age Population (CVAP)
- 68,040
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 73,025 | 81.3% |
| Hispanic | 16,793 | 18.7% |
| White | 52,332 | 58.3% |
| Black | 4,756 | 5.3% |
| Asian | 12,898 | 14.4% |
| American Indian / Alaska Native | 65 | 0.1% |
| Native Hawaiian / Pacific Islander | 17 | 0.0% |
| Two or More Races | 456 | 0.5% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 58,489 | 86.0% |
| Hispanic | 9,556 | 14.0% |
| White | 43,446 | 63.9% |
| Black | 3,562 | 5.2% |
| Asian | 10,861 | 16.0% |
| American Indian / Alaska Native | 409 | 0.6% |
| Native Hawaiian / Pacific Islander | 16 | 0.0% |
| Two or More Races | 281 | 0.4% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
