Overview
- District ID
- il-sd-017
- State
- Illinois
- Chamber
- Upper chamber (state senate)
- District Code
- 017
- Land Area
- 309.9 sq mi
- Water Area
- 4.51 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 3 counties
Places
Showing all 19 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 2 | 138,784 | 63.9% | 18.4% | 97.1% |
| IL District 1 | 78,269 | 36.1% | 10.4% | 2.9% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 165,397
- Active Voters
- 151,223 (91.4%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 9,026 (5.5%) | 3,618 (2.2%) | <10 (—) |
| 2023–2024 | 88,053 (53.2%) | 24,765 (15.0%) | 3,679 (2.2%) |
| 2021–2022 | 60,378 (36.5%) | 25,496 (15.4%) | 3,637 (2.2%) |
| 2019–2020 | 94,992 (57.4%) | 42,225 (25.5%) | 3,042 (1.8%) |
| 2017–2018 | 73,937 (44.7%) | 35,280 (21.3%) | 3,271 (2.0%) |
| 2015–2016 | 86,435 (52.3%) | 53,148 (32.1%) | 6,196 (3.7%) |
| 2013–2014 | 56,998 (34.5%) | 17,629 (10.7%) | 3,566 (2.2%) |
| 2011–2012 | 73,154 (44.2%) | 20,882 (12.6%) | 3,113 (1.9%) |
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
- 210,823 (± 3,969)
- Median Age
- 40.7
- Median Household Income
- $60,573 (± $2,034)
- High School Graduate or Higher (age 25+)
- 89.6%
- Bachelor's Degree or Higher (age 25+)
- 25.4%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 46,615 | 22.1% |
| 18 to 64 | 124,475 | 59.0% |
| 65 and over | 39,733 | 18.8% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 35,765 | 17.0% |
| White, not Hispanic | 33,438 | 15.9% |
| Black, not Hispanic | 133,372 | 63.3% |
| Asian, not Hispanic | 1,458 | 0.7% |
| American Indian / Alaska Native, not Hispanic | 16 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 64 | 0.0% |
| Some other race, not Hispanic | 852 | 0.4% |
| Two or more races, not Hispanic | 5,858 | 2.8% |
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
- 202,267
- Citizen Voting Age Population (CVAP)
- 156,229
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 172,769 | 85.4% |
| Hispanic | 29,497 | 14.6% |
| White | 33,881 | 16.8% |
| Black | 132,292 | 65.4% |
| Asian | 1,190 | 0.6% |
| American Indian / Alaska Native | 20 | 0.0% |
| Native Hawaiian / Pacific Islander | 66 | 0.0% |
| Two or More Races | 1,171 | 0.6% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 136,884 | 87.6% |
| Hispanic | 19,343 | 12.4% |
| White | 29,310 | 18.8% |
| Black | 105,194 | 67.3% |
| Asian | 1,299 | 0.8% |
| American Indian / Alaska Native | 1,034 | 0.7% |
| Native Hawaiian / Pacific Islander | 64 | 0.0% |
| Two or More Races | 758 | 0.5% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
