Overview
- District ID
- il-sd-003
- State
- Illinois
- Chamber
- Upper chamber (state senate)
- District Code
- 003
- Land Area
- 15.8 sq mi
- Water Area
- 0.08 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 |
|---|
| Cook County | 15.82 sq mi | 100.0% | 1.7% |
Showing all 1 county
Places
| Place | Overlap | Share of district land | Share of place land |
|---|
| Chicago city | 15.82 sq mi | 100.0% | 6.9% |
Showing all 1 place
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 7 | 163,257 | 75.1% | 21.7% | 73.0% |
| IL District 1 | 43,532 | 20.0% | 5.8% | 23.4% |
| IL District 4 | 10,565 | 4.9% | 1.4% | 3.6% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 138,972
- Active Voters
- 112,147 (80.7%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 34 (0.0%) | <10 (—) | 0 (0.0%) |
| 2023–2024 | 71,209 (51.2%) | 21,249 (15.3%) | 1,773 (1.3%) |
| 2021–2022 | 43,712 (31.5%) | 18,813 (13.5%) | 1,368 (1.0%) |
| 2019–2020 | 72,128 (51.9%) | 32,361 (23.3%) | 878 (0.6%) |
| 2017–2018 | 50,889 (36.6%) | 24,326 (17.5%) | 1,085 (0.8%) |
| 2015–2016 | 58,468 (42.1%) | 35,638 (25.6%) | 2,713 (2.0%) |
| 2013–2014 | 32,123 (23.1%) | 8,286 (6.0%) | 1,125 (0.8%) |
| 2011–2012 | 43,987 (31.7%) | 11,187 (8.0%) | 1,060 (0.8%) |
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
- 214,258 (± 5,501)
- Median Age
- 33.8
- Median Household Income
- $70,340 (± $4,052)
- High School Graduate or Higher (age 25+)
- 87.9%
- Bachelor's Degree or Higher (age 25+)
- 45.6%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 39,556 | 18.5% |
| 18 to 64 | 147,304 | 68.8% |
| 65 and over | 27,398 | 12.8% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 41,050 | 19.2% |
| White, not Hispanic | 44,950 | 21.0% |
| Black, not Hispanic | 102,508 | 47.8% |
| Asian, not Hispanic | 17,250 | 8.1% |
| American Indian / Alaska Native, not Hispanic | 224 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 10 | 0.0% |
| Some other race, not Hispanic | 1,345 | 0.6% |
| Two or more races, not Hispanic | 6,921 | 3.2% |
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
- 192,075
- Citizen Voting Age Population (CVAP)
- 153,290
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 161,858 | 84.3% |
| Hispanic | 30,223 | 15.7% |
| White | 43,191 | 22.5% |
| Black | 102,056 | 53.1% |
| Asian | 10,698 | 5.6% |
| American Indian / Alaska Native | 223 | 0.1% |
| Native Hawaiian / Pacific Islander | 11 | 0.0% |
| Two or More Races | 728 | 0.4% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 134,524 | 87.8% |
| Hispanic | 18,768 | 12.2% |
| White | 40,292 | 26.3% |
| Black | 82,771 | 54.0% |
| Asian | 10,224 | 6.7% |
| American Indian / Alaska Native | 1,042 | 0.7% |
| Native Hawaiian / Pacific Islander | 11 | 0.0% |
| Two or More Races | 644 | 0.4% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
