Overview
- District ID
- il-sd-024
- State
- Illinois
- Chamber
- Upper chamber (state senate)
- District Code
- 024
- Land Area
- 82.8 sq mi
- Water Area
- 2.37 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 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 8 | 123,518 | 56.9% | 16.4% | 47.4% |
| IL District 3 | 67,748 | 31.2% | 9.0% | 38.8% |
| IL District 11 | 14,799 | 6.8% | 2.0% | 9.3% |
| IL District 6 | 11,124 | 5.1% | 1.5% | 4.5% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 169,729
- Active Voters
- 156,245 (92.1%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 33,445 (19.7%) | 255 (0.2%) | <10 (—) |
| 2023–2024 | 115,261 (67.9%) | 15,369 (9.1%) | 14,846 (8.7%) |
| 2021–2022 | 84,081 (49.5%) | 15,784 (9.3%) | 18,321 (10.8%) |
| 2019–2020 | 110,523 (65.1%) | 24,474 (14.4%) | 11,766 (6.9%) |
| 2017–2018 | 81,880 (48.2%) | 16,960 (10.0%) | 17,844 (10.5%) |
| 2015–2016 | 87,662 (51.6%) | 23,103 (13.6%) | 30,132 (17.8%) |
| 2013–2014 | 56,603 (33.3%) | 3,156 (1.9%) | 18,075 (10.6%) |
| 2011–2012 | 69,595 (41.0%) | 5,477 (3.2%) | 18,663 (11.0%) |
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
- 216,385 (± 2,939)
- Median Age
- 42.1
- Median Household Income
- $114,830 (± $3,191)
- High School Graduate or Higher (age 25+)
- 93.7%
- Bachelor's Degree or Higher (age 25+)
- 50.3%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 45,724 | 21.1% |
| 18 to 64 | 129,676 | 59.9% |
| 65 and over | 40,985 | 18.9% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 27,026 | 12.5% |
| White, not Hispanic | 151,163 | 69.9% |
| Black, not Hispanic | 6,281 | 2.9% |
| Asian, not Hispanic | 23,310 | 10.8% |
| American Indian / Alaska Native, not Hispanic | 138 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 99 | 0.0% |
| Some other race, not Hispanic | 789 | 0.4% |
| Two or more races, not Hispanic | 7,579 | 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
- 203,655
- Citizen Voting Age Population (CVAP)
- 158,895
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 180,637 | 88.7% |
| Hispanic | 23,017 | 11.3% |
| White | 149,813 | 73.6% |
| Black | 6,060 | 3.0% |
| Asian | 19,470 | 9.6% |
| American Indian / Alaska Native | 139 | 0.1% |
| Native Hawaiian / Pacific Islander | 142 | 0.1% |
| Two or More Races | 378 | 0.2% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 144,576 | 91.0% |
| Hispanic | 14,316 | 9.0% |
| White | 122,008 | 76.8% |
| Black | 5,614 | 3.5% |
| Asian | 16,029 | 10.1% |
| American Indian / Alaska Native | 576 | 0.4% |
| Native Hawaiian / Pacific Islander | 109 | 0.1% |
| Two or More Races | 257 | 0.2% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
