Overview
- District ID
- il-hd-043
- State
- Illinois
- Chamber
- Lower chamber
- District Code
- 043
- Land Area
- 26.1 sq mi
- Water Area
- 0.53 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 |
|---|
| Kane County | 14.29 sq mi | 54.8% | 2.8% |
| Cook County | 11.72 sq mi | 44.9% | 1.2% |
Showing all 2 counties
Places
Showing all 7 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 8 | 91,570 | 84.3% | 12.1% | 86.5% |
| IL District 3 | 17,021 | 15.7% | 2.3% | 13.5% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 53,420
- Active Voters
- 48,465 (90.7%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 6,224 (11.7%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 29,808 (55.8%) | 3,297 (6.2%) | 1,958 (3.7%) |
| 2021–2022 | 17,400 (32.6%) | 3,954 (7.4%) | 2,583 (4.8%) |
| 2019–2020 | 28,281 (52.9%) | 7,391 (13.8%) | 1,706 (3.2%) |
| 2017–2018 | 18,662 (34.9%) | 4,383 (8.2%) | 2,169 (4.1%) |
| 2015–2016 | 21,510 (40.3%) | 7,797 (14.6%) | 4,050 (7.6%) |
| 2013–2014 | 10,774 (20.2%) | 813 (1.5%) | 2,037 (3.8%) |
| 2011–2012 | 14,900 (27.9%) | 1,808 (3.4%) | 2,160 (4.0%) |
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
- 106,553 (± 2,301)
- Median Age
- 35.1
- Median Household Income
- $83,824 (± $3,030)
- High School Graduate or Higher (age 25+)
- 76.9%
- Bachelor's Degree or Higher (age 25+)
- 21.4%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 28,493 | 26.7% |
| 18 to 64 | 64,911 | 60.9% |
| 65 and over | 13,149 | 12.3% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 62,293 | 58.5% |
| White, not Hispanic | 26,755 | 25.1% |
| Black, not Hispanic | 6,133 | 5.8% |
| Asian, not Hispanic | 6,838 | 6.4% |
| American Indian / Alaska Native, not Hispanic | 281 | 0.3% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 340 | 0.3% |
| Two or more races, not Hispanic | 3,913 | 3.7% |
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
- 86,616
- Citizen Voting Age Population (CVAP)
- 59,163
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 41,856 | 48.3% |
| Hispanic | 44,764 | 51.7% |
| White | 27,013 | 31.2% |
| Black | 5,923 | 6.8% |
| Asian | 5,783 | 6.7% |
| American Indian / Alaska Native | 283 | 0.3% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 284 | 0.3% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 33,937 | 57.4% |
| Hispanic | 25,230 | 42.6% |
| White | 23,235 | 39.3% |
| Black | 4,693 | 7.9% |
| Asian | 5,357 | 9.1% |
| American Indian / Alaska Native | 453 | 0.8% |
| Native Hawaiian / Pacific Islander | 1 | 0.0% |
| Two or More Races | 247 | 0.4% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
