Overview
- District ID
- il-hd-046
- State
- Illinois
- Chamber
- Lower chamber
- District Code
- 046
- Land Area
- 27.5 sq mi
- Water Area
- 0.68 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 |
|---|
| DuPage County | 27.45 sq mi | 100.0% | 8.4% |
Showing all 1 county
Places
Showing all 9 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 | 37,352 | 34.4% | 5.0% | 33.2% |
| IL District 6 | 36,113 | 33.3% | 4.8% | 26.8% |
| IL District 3 | 35,097 | 32.3% | 4.7% | 40.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 72,025
- Active Voters
- 65,871 (91.5%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 12,369 (17.2%) | <10 (—) | 0 (0.0%) |
| 2023–2024 | 42,626 (59.2%) | 6,052 (8.4%) | 4,064 (5.6%) |
| 2021–2022 | 28,197 (39.1%) | 6,191 (8.6%) | 4,936 (6.9%) |
| 2019–2020 | 40,785 (56.6%) | 9,869 (13.7%) | 2,995 (4.2%) |
| 2017–2018 | 28,122 (39.0%) | 6,060 (8.4%) | 4,218 (5.9%) |
| 2015–2016 | 31,953 (44.4%) | 10,772 (15.0%) | 7,652 (10.6%) |
| 2013–2014 | 18,569 (25.8%) | 1,390 (1.9%) | 4,459 (6.2%) |
| 2011–2012 | 24,139 (33.5%) | 2,634 (3.7%) | 4,710 (6.5%) |
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
- 109,046 (± 1,908)
- Median Age
- 37.7
- Median Household Income
- $92,093 (± $2,371)
- High School Graduate or Higher (age 25+)
- 87.2%
- Bachelor's Degree or Higher (age 25+)
- 34.9%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 22,796 | 20.9% |
| 18 to 64 | 69,659 | 63.9% |
| 65 and over | 16,591 | 15.2% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 31,670 | 29.0% |
| White, not Hispanic | 49,522 | 45.4% |
| Black, not Hispanic | 6,997 | 6.4% |
| Asian, not Hispanic | 17,252 | 15.8% |
| American Indian / Alaska Native, not Hispanic | 18 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 285 | 0.3% |
| Two or more races, not Hispanic | 3,302 | 3.0% |
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
- 95,748
- Citizen Voting Age Population (CVAP)
- 73,837
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 71,647 | 74.8% |
| Hispanic | 24,103 | 25.2% |
| White | 48,827 | 51.0% |
| Black | 6,676 | 7.0% |
| Asian | 14,100 | 14.7% |
| American Indian / Alaska Native | 20 | 0.0% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 186 | 0.2% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 58,485 | 79.2% |
| Hispanic | 15,347 | 20.8% |
| White | 41,174 | 55.8% |
| Black | 5,379 | 7.3% |
| Asian | 11,669 | 15.8% |
| American Indian / Alaska Native | 193 | 0.3% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 111 | 0.2% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).