Overview
- District ID
- il-hd-016
- State
- Illinois
- Chamber
- Lower chamber
- District Code
- 016
- Land Area
- 10.9 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 | 10.91 sq mi | 100.0% | 1.2% |
Showing all 1 county
Places
Showing all 3 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 | 106,067 | 97.4% | 14.1% | 93.2% |
| IL District 5 | 2,794 | 2.6% | 0.4% | 6.8% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 69,407
- Active Voters
- 64,491 (92.9%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 7,645 (11.0%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 40,888 (58.9%) | 9,580 (13.8%) | 1,841 (2.7%) |
| 2021–2022 | 26,160 (37.7%) | 10,689 (15.4%) | 1,848 (2.7%) |
| 2019–2020 | 40,511 (58.4%) | 16,526 (23.8%) | 1,049 (1.5%) |
| 2017–2018 | 27,297 (39.3%) | 12,413 (17.9%) | 1,842 (2.7%) |
| 2015–2016 | 31,226 (45.0%) | 14,443 (20.8%) | 4,414 (6.4%) |
| 2013–2014 | 16,622 (23.9%) | 3,101 (4.5%) | 1,793 (2.6%) |
| 2011–2012 | 21,844 (31.5%) | 4,210 (6.1%) | 2,516 (3.6%) |
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
- 109,987 (± 3,520)
- Median Age
- 39.4
- Median Household Income
- $85,417 (± $3,479)
- High School Graduate or Higher (age 25+)
- 88.4%
- Bachelor's Degree or Higher (age 25+)
- 49.4%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 28,307 | 25.7% |
| 18 to 64 | 62,478 | 56.8% |
| 65 and over | 19,202 | 17.5% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 17,591 | 16.0% |
| White, not Hispanic | 47,790 | 43.5% |
| Black, not Hispanic | 10,373 | 9.4% |
| Asian, not Hispanic | 27,418 | 24.9% |
| American Indian / Alaska Native, not Hispanic | 115 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 38 | 0.0% |
| Some other race, not Hispanic | 761 | 0.7% |
| Two or more races, not Hispanic | 5,901 | 5.4% |
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
- 92,715
- Citizen Voting Age Population (CVAP)
- 67,331
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 79,362 | 85.6% |
| Hispanic | 13,350 | 14.4% |
| White | 46,233 | 49.9% |
| Black | 8,271 | 8.9% |
| Asian | 20,690 | 22.3% |
| American Indian / Alaska Native | 114 | 0.1% |
| Native Hawaiian / Pacific Islander | 39 | 0.0% |
| Two or More Races | 551 | 0.6% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 58,946 | 87.5% |
| Hispanic | 8,387 | 12.5% |
| White | 35,917 | 53.3% |
| Black | 6,309 | 9.4% |
| Asian | 16,085 | 23.9% |
| American Indian / Alaska Native | 243 | 0.4% |
| Native Hawaiian / Pacific Islander | 38 | 0.1% |
| Two or More Races | 392 | 0.6% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
