Overview
- District ID
- il-hd-059
- State
- Illinois
- Chamber
- Lower chamber
- District Code
- 059
- Land Area
- 38.2 sq mi
- Water Area
- 1 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 |
|---|
| Lake County | 36.40 sq mi | 95.2% | 8.2% |
| Cook County | 1.84 sq mi | 4.8% | 0.2% |
Showing all 2 counties
Places
Showing all 15 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 10 | 97,840 | 90.1% | 13.0% | 93.4% |
| IL District 9 | 10,709 | 9.9% | 1.4% | 6.6% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 69,974
- Active Voters
- 64,109 (91.6%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 8,142 (11.6%) | 27 (0.0%) | 0 (0.0%) |
| 2023–2024 | 43,514 (62.2%) | 4,975 (7.1%) | 2,263 (3.2%) |
| 2021–2022 | 31,318 (44.8%) | 6,517 (9.3%) | 3,344 (4.8%) |
| 2019–2020 | 41,902 (59.9%) | 11,787 (16.8%) | 1,746 (2.5%) |
| 2017–2018 | 30,968 (44.3%) | 8,332 (11.9%) | 3,632 (5.2%) |
| 2015–2016 | 33,241 (47.5%) | 11,387 (16.3%) | 7,601 (10.9%) |
| 2013–2014 | 20,135 (28.8%) | 1,071 (1.5%) | 3,775 (5.4%) |
| 2011–2012 | 25,832 (36.9%) | 2,899 (4.1%) | 4,215 (6.0%) |
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
- 108,315 (± 1,730)
- Median Age
- 40.3
- Median Household Income
- $112,391 (± $4,917)
- High School Graduate or Higher (age 25+)
- 92.8%
- Bachelor's Degree or Higher (age 25+)
- 58.9%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 25,827 | 23.8% |
| 18 to 64 | 64,766 | 59.8% |
| 65 and over | 17,722 | 16.4% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 22,407 | 20.7% |
| White, not Hispanic | 52,825 | 48.8% |
| Black, not Hispanic | 3,526 | 3.3% |
| Asian, not Hispanic | 25,687 | 23.7% |
| American Indian / Alaska Native, not Hispanic | 259 | 0.2% |
| Native Hawaiian / Pacific Islander, not Hispanic | 90 | 0.1% |
| Some other race, not Hispanic | 443 | 0.4% |
| Two or more races, not Hispanic | 3,078 | 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
- 87,950
- Citizen Voting Age Population (CVAP)
- 64,399
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 72,139 | 82.0% |
| Hispanic | 15,812 | 18.0% |
| White | 50,610 | 57.5% |
| Black | 3,310 | 3.8% |
| Asian | 15,403 | 17.5% |
| American Indian / Alaska Native | 250 | 0.3% |
| Native Hawaiian / Pacific Islander | 8 | 0.0% |
| Two or More Races | 134 | 0.2% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 55,647 | 86.4% |
| Hispanic | 8,755 | 13.6% |
| White | 41,852 | 65.0% |
| Black | 2,840 | 4.4% |
| Asian | 10,525 | 16.3% |
| American Indian / Alaska Native | 574 | 0.9% |
| Native Hawaiian / Pacific Islander | 5 | 0.0% |
| Two or More Races | 58 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
