Overview
- District ID
- il-sd-058
- State
- Illinois
- Chamber
- Upper chamber (state senate)
- District Code
- 058
- Land Area
- 4,498.7 sq mi
- Water Area
- 94.7 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 14 counties
Places
Showing top 25 of 88 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 12 | 217,166 | 100.0% | 28.8% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 156,498
- Active Voters
- 149,070 (95.3%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 25,424 (16.2%) | <10 (—) | 0 (0.0%) |
| 2023–2024 | 107,303 (68.6%) | 5,099 (3.3%) | 29,359 (18.8%) |
| 2021–2022 | 83,486 (53.3%) | 5,208 (3.3%) | 28,475 (18.2%) |
| 2019–2020 | 99,484 (63.6%) | 12,452 (8.0%) | 23,915 (15.3%) |
| 2017–2018 | 78,821 (50.4%) | 10,708 (6.8%) | 17,729 (11.3%) |
| 2015–2016 | 86,262 (55.1%) | 16,404 (10.5%) | 32,762 (20.9%) |
| 2013–2014 | 62,932 (40.2%) | 10,154 (6.5%) | 17,221 (11.0%) |
| 2011–2012 | 70,972 (45.4%) | 11,412 (7.3%) | 13,938 (8.9%) |
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
- 214,561 (± 811)
- Median Age
- 42.9
- Median Household Income
- $66,129 (± $1,202)
- High School Graduate or Higher (age 25+)
- 90.8%
- Bachelor's Degree or Higher (age 25+)
- 20.7%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 45,636 | 21.3% |
| 18 to 64 | 123,003 | 57.3% |
| 65 and over | 45,922 | 21.4% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 5,856 | 2.7% |
| White, not Hispanic | 191,754 | 89.4% |
| Black, not Hispanic | 7,814 | 3.6% |
| Asian, not Hispanic | 1,269 | 0.6% |
| American Indian / Alaska Native, not Hispanic | 220 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 32 | 0.0% |
| Some other race, not Hispanic | 537 | 0.3% |
| Two or more races, not Hispanic | 7,079 | 3.3% |
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
- 212,628
- Citizen Voting Age Population (CVAP)
- 167,206
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 207,938 | 97.8% |
| Hispanic | 4,688 | 2.2% |
| White | 193,347 | 90.9% |
| Black | 7,812 | 3.7% |
| Asian | 894 | 0.4% |
| American Indian / Alaska Native | 215 | 0.1% |
| Native Hawaiian / Pacific Islander | 32 | 0.0% |
| Two or More Races | 723 | 0.3% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 164,102 | 98.1% |
| Hispanic | 3,105 | 1.9% |
| White | 153,517 | 91.8% |
| Black | 7,556 | 4.5% |
| Asian | 1,012 | 0.6% |
| American Indian / Alaska Native | 1,778 | 1.1% |
| Native Hawaiian / Pacific Islander | 33 | 0.0% |
| Two or More Races | 238 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
