Overview
- District ID
- il-sd-010
- State
- Illinois
- Chamber
- Upper chamber (state senate)
- District Code
- 010
- Land Area
- 26.6 sq mi
- Water Area
- 0.01 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 | 26.62 sq mi | 100.0% | 2.8% |
Showing all 1 county
Places
Showing all 9 places
Overlapping Congressional Districts
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 152,302
- Active Voters
- 142,579 (93.6%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 4,114 (2.7%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 98,593 (64.7%) | 25,451 (16.7%) | 8,600 (5.6%) |
| 2021–2022 | 65,746 (43.2%) | 22,119 (14.5%) | 8,805 (5.8%) |
| 2019–2020 | 95,112 (62.4%) | 36,679 (24.1%) | 5,099 (3.3%) |
| 2017–2018 | 67,907 (44.6%) | 28,092 (18.4%) | 6,603 (4.3%) |
| 2015–2016 | 77,138 (50.6%) | 37,352 (24.5%) | 13,141 (8.6%) |
| 2013–2014 | 44,612 (29.3%) | 9,238 (6.1%) | 7,115 (4.7%) |
| 2011–2012 | 55,315 (36.3%) | 11,209 (7.4%) | 6,519 (4.3%) |
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
- 220,494 (± 4,103)
- Median Age
- 41.2
- Median Household Income
- $93,758 (± $3,365)
- High School Graduate or Higher (age 25+)
- 90.7%
- Bachelor's Degree or Higher (age 25+)
- 40.0%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 45,963 | 20.8% |
| 18 to 64 | 136,595 | 61.9% |
| 65 and over | 37,936 | 17.2% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 58,068 | 26.3% |
| White, not Hispanic | 135,168 | 61.3% |
| Black, not Hispanic | 4,243 | 1.9% |
| Asian, not Hispanic | 15,605 | 7.1% |
| American Indian / Alaska Native, not Hispanic | 101 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 71 | 0.0% |
| Some other race, not Hispanic | 1,023 | 0.5% |
| Two or more races, not Hispanic | 6,215 | 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
- 197,842
- Citizen Voting Age Population (CVAP)
- 153,308
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 147,705 | 74.7% |
| Hispanic | 50,141 | 25.3% |
| White | 125,652 | 63.5% |
| Black | 4,094 | 2.1% |
| Asian | 13,071 | 6.6% |
| American Indian / Alaska Native | 101 | 0.1% |
| Native Hawaiian / Pacific Islander | 72 | 0.0% |
| Two or More Races | 440 | 0.2% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 118,737 | 77.4% |
| Hispanic | 34,572 | 22.6% |
| White | 102,356 | 66.8% |
| Black | 4,261 | 2.8% |
| Asian | 11,127 | 7.3% |
| American Indian / Alaska Native | 624 | 0.4% |
| Native Hawaiian / Pacific Islander | 66 | 0.0% |
| Two or More Races | 307 | 0.2% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
