Overview
- District ID
- il-sd-009
- State
- Illinois
- Chamber
- Upper chamber (state senate)
- District Code
- 009
- Land Area
- 39.3 sq mi
- Water Area
- 0.15 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 | 39.26 sq mi | 100.0% | 4.2% |
Showing all 1 county
Places
Showing all 11 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 9 | 187,961 | 86.7% | 24.9% | 81.3% |
| IL District 10 | 27,495 | 12.7% | 3.6% | 18.6% |
| IL District 5 | 1,315 | 0.6% | 0.2% | 0.2% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 168,746
- Active Voters
- 158,973 (94.2%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 40,579 (24.0%) | <10 (—) | 0 (0.0%) |
| 2023–2024 | 111,515 (66.1%) | 27,915 (16.5%) | 5,057 (3.0%) |
| 2021–2022 | 84,183 (49.9%) | 26,953 (16.0%) | 6,558 (3.9%) |
| 2019–2020 | 111,770 (66.2%) | 48,063 (28.5%) | 3,659 (2.2%) |
| 2017–2018 | 88,284 (52.3%) | 39,917 (23.7%) | 7,846 (4.6%) |
| 2015–2016 | 89,824 (53.2%) | 42,087 (24.9%) | 17,086 (10.1%) |
| 2013–2014 | 57,333 (34.0%) | 9,764 (5.8%) | 8,629 (5.1%) |
| 2011–2012 | 67,772 (40.2%) | 15,175 (9.0%) | 10,153 (6.0%) |
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
- 209,561 (± 2,501)
- Median Age
- 43.2
- Median Household Income
- $120,300 (± $5,429)
- High School Graduate or Higher (age 25+)
- 96.1%
- Bachelor's Degree or Higher (age 25+)
- 68.6%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 47,305 | 22.6% |
| 18 to 64 | 117,208 | 55.9% |
| 65 and over | 45,048 | 21.5% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 20,166 | 9.6% |
| White, not Hispanic | 132,378 | 63.2% |
| Black, not Hispanic | 16,239 | 7.7% |
| Asian, not Hispanic | 29,158 | 13.9% |
| American Indian / Alaska Native, not Hispanic | 97 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 51 | 0.0% |
| Some other race, not Hispanic | 1,099 | 0.5% |
| Two or more races, not Hispanic | 10,373 | 4.9% |
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
- 194,818
- Citizen Voting Age Population (CVAP)
- 148,934
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 177,770 | 91.2% |
| Hispanic | 17,047 | 8.8% |
| White | 131,038 | 67.3% |
| Black | 15,123 | 7.8% |
| Asian | 23,735 | 12.2% |
| American Indian / Alaska Native | 91 | 0.0% |
| Native Hawaiian / Pacific Islander | 50 | 0.0% |
| Two or More Races | 1,206 | 0.6% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 137,668 | 92.4% |
| Hispanic | 11,268 | 7.6% |
| White | 103,636 | 69.6% |
| Black | 13,137 | 8.8% |
| Asian | 19,686 | 13.2% |
| American Indian / Alaska Native | 450 | 0.3% |
| Native Hawaiian / Pacific Islander | 43 | 0.0% |
| Two or More Races | 750 | 0.5% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
