Overview
- District ID
- il-sd-011
- State
- Illinois
- Chamber
- Upper chamber (state senate)
- District Code
- 011
- Land Area
- 33.6 sq mi
- Water Area
- 0.33 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 | 33.61 sq mi | 100.0% | 3.6% |
Showing all 1 county
Places
Showing all 16 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 4 | 174,635 | 80.4% | 23.2% | 61.5% |
| IL District 6 | 42,647 | 19.6% | 5.7% | 37.9% |
| IL District 7 | 17 | <0.1% | <0.1% | 0.6% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 127,090
- Active Voters
- 122,252 (96.2%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 6,909 (5.4%) | <10 (—) | 0 (0.0%) |
| 2023–2024 | 73,330 (57.7%) | 16,493 (13.0%) | 4,466 (3.5%) |
| 2021–2022 | 45,023 (35.4%) | 15,637 (12.3%) | 4,607 (3.6%) |
| 2019–2020 | 72,973 (57.4%) | 30,323 (23.9%) | 2,598 (2.0%) |
| 2017–2018 | 51,573 (40.6%) | 26,462 (20.8%) | 3,251 (2.6%) |
| 2015–2016 | 61,540 (48.4%) | 36,066 (28.4%) | 7,187 (5.7%) |
| 2013–2014 | 33,094 (26.0%) | 8,972 (7.1%) | 3,552 (2.8%) |
| 2011–2012 | 42,632 (33.5%) | 12,590 (9.9%) | 3,569 (2.8%) |
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
- 214,409 (± 5,787)
- Median Age
- 38.1
- Median Household Income
- $78,911 (± $2,278)
- High School Graduate or Higher (age 25+)
- 79.6%
- Bachelor's Degree or Higher (age 25+)
- 23.0%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 50,932 | 23.8% |
| 18 to 64 | 131,827 | 61.5% |
| 65 and over | 31,650 | 14.8% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 136,532 | 63.7% |
| White, not Hispanic | 62,963 | 29.4% |
| Black, not Hispanic | 7,144 | 3.3% |
| Asian, not Hispanic | 4,991 | 2.3% |
| American Indian / Alaska Native, not Hispanic | 89 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 249 | 0.1% |
| Two or more races, not Hispanic | 2,441 | 1.1% |
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
- 183,724
- Citizen Voting Age Population (CVAP)
- 134,231
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 73,851 | 40.2% |
| Hispanic | 109,873 | 59.8% |
| White | 61,208 | 33.3% |
| Black | 6,932 | 3.8% |
| Asian | 4,069 | 2.2% |
| American Indian / Alaska Native | 90 | 0.0% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 251 | 0.1% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 62,489 | 46.6% |
| Hispanic | 71,739 | 53.4% |
| White | 53,087 | 39.5% |
| Black | 5,529 | 4.1% |
| Asian | 3,565 | 2.7% |
| American Indian / Alaska Native | 272 | 0.2% |
| Native Hawaiian / Pacific Islander | 2 | 0.0% |
| Two or More Races | 77 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
