Overview
- District ID
- il-hd-020
- State
- Illinois
- Chamber
- Lower chamber
- District Code
- 020
- Land Area
- 17.8 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 | 17.76 sq mi | 100.0% | 1.9% |
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
- 76,342
- Active Voters
- 72,651 (95.2%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 3,976 (5.2%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 49,985 (65.5%) | 10,884 (14.3%) | 5,358 (7.0%) |
| 2021–2022 | 33,446 (43.8%) | 9,033 (11.8%) | 5,962 (7.8%) |
| 2019–2020 | 47,595 (62.3%) | 15,913 (20.8%) | 3,478 (4.6%) |
| 2017–2018 | 33,654 (44.1%) | 12,509 (16.4%) | 4,308 (5.6%) |
| 2015–2016 | 38,546 (50.5%) | 16,212 (21.2%) | 8,110 (10.6%) |
| 2013–2014 | 23,667 (31.0%) | 4,140 (5.4%) | 4,465 (5.8%) |
| 2011–2012 | 27,994 (36.7%) | 5,108 (6.7%) | 4,136 (5.4%) |
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
- 109,584 (± 2,559)
- Median Age
- 42.7
- Median Household Income
- $91,310 (± $2,985)
- High School Graduate or Higher (age 25+)
- 90.1%
- Bachelor's Degree or Higher (age 25+)
- 36.0%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 23,115 | 21.1% |
| 18 to 64 | 66,208 | 60.4% |
| 65 and over | 20,261 | 18.5% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 26,044 | 23.8% |
| White, not Hispanic | 73,984 | 67.5% |
| Black, not Hispanic | 1,480 | 1.4% |
| Asian, not Hispanic | 5,218 | 4.8% |
| American Indian / Alaska Native, not Hispanic | 55 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 40 | 0.0% |
| Some other race, not Hispanic | 587 | 0.5% |
| Two or more races, not Hispanic | 2,176 | 2.0% |
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
- 98,104
- Citizen Voting Age Population (CVAP)
- 75,743
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 75,925 | 77.4% |
| Hispanic | 22,177 | 22.6% |
| White | 68,543 | 69.9% |
| Black | 1,310 | 1.3% |
| Asian | 4,376 | 4.5% |
| American Indian / Alaska Native | 56 | 0.1% |
| Native Hawaiian / Pacific Islander | 43 | 0.0% |
| Two or More Races | 139 | 0.1% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 60,842 | 80.3% |
| Hispanic | 14,902 | 19.7% |
| White | 55,578 | 73.4% |
| Black | 1,223 | 1.6% |
| Asian | 3,582 | 4.7% |
| American Indian / Alaska Native | 287 | 0.4% |
| Native Hawaiian / Pacific Islander | 35 | 0.0% |
| Two or More Races | 136 | 0.2% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
