Overview
- District ID
- il-sd-050
- State
- Illinois
- Chamber
- Upper chamber (state senate)
- District Code
- 050
- Land Area
- 4,909.9 sq mi
- Water Area
- 94.1 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 12 counties
Places
Showing top 25 of 106 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 15 | 195,721 | 90.1% | 26.0% | 89.8% |
| IL District 13 | 21,568 | 9.9% | 2.9% | 10.2% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 156,100
- Active Voters
- 150,850 (96.6%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 28,738 (18.4%) | 148 (0.1%) | 3,392 (2.2%) |
| 2023–2024 | 108,449 (69.5%) | 4,743 (3.0%) | 21,239 (13.6%) |
| 2021–2022 | 84,680 (54.2%) | 6,277 (4.0%) | 30,833 (19.8%) |
| 2019–2020 | 100,481 (64.4%) | 12,216 (7.8%) | 21,651 (13.9%) |
| 2017–2018 | 77,126 (49.4%) | 8,555 (5.5%) | 18,453 (11.8%) |
| 2015–2016 | 85,006 (54.5%) | 13,666 (8.8%) | 33,573 (21.5%) |
| 2013–2014 | 62,390 (40.0%) | 6,912 (4.4%) | 16,170 (10.4%) |
| 2011–2012 | 70,322 (45.0%) | 7,027 (4.5%) | 16,953 (10.9%) |
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
- 214,425 (± 1,068)
- Median Age
- 42.9
- Median Household Income
- $71,273 (± $1,412)
- High School Graduate or Higher (age 25+)
- 91.9%
- Bachelor's Degree or Higher (age 25+)
- 24.1%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 45,129 | 21.0% |
| 18 to 64 | 124,405 | 58.0% |
| 65 and over | 44,891 | 20.9% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 7,454 | 3.5% |
| White, not Hispanic | 191,761 | 89.4% |
| Black, not Hispanic | 6,698 | 3.1% |
| Asian, not Hispanic | 1,320 | 0.6% |
| American Indian / Alaska Native, not Hispanic | 149 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 174 | 0.1% |
| Some other race, not Hispanic | 288 | 0.1% |
| Two or more races, not Hispanic | 6,581 | 3.1% |
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
- 212,155
- Citizen Voting Age Population (CVAP)
- 167,267
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 206,008 | 97.1% |
| Hispanic | 6,151 | 2.9% |
| White | 192,886 | 90.9% |
| Black | 6,556 | 3.1% |
| Asian | 1,022 | 0.5% |
| American Indian / Alaska Native | 147 | 0.1% |
| Native Hawaiian / Pacific Islander | 103 | 0.0% |
| Two or More Races | 272 | 0.1% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 163,560 | 97.8% |
| Hispanic | 3,711 | 2.2% |
| White | 154,196 | 92.2% |
| Black | 6,396 | 3.8% |
| Asian | 1,195 | 0.7% |
| American Indian / Alaska Native | 1,602 | 1.0% |
| Native Hawaiian / Pacific Islander | 99 | 0.1% |
| Two or More Races | 217 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
