Overview
- District ID
- il-hd-064
- State
- Illinois
- Chamber
- Lower chamber
- District Code
- 064
- Land Area
- 125.5 sq mi
- Water Area
- 17.7 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 2 counties
Places
Showing all 21 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 | 93,871 | 86.5% | 12.5% | 92.8% |
| IL District 11 | 14,704 | 13.5% | 2.0% | 7.2% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 86,818
- Active Voters
- 80,864 (93.1%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 13,631 (15.7%) | <10 (—) | <10 (—) |
| 2023–2024 | 57,699 (66.5%) | 4,046 (4.7%) | 5,843 (6.7%) |
| 2021–2022 | 41,395 (47.7%) | 5,059 (5.8%) | 10,047 (11.6%) |
| 2019–2020 | 53,557 (61.7%) | 10,283 (11.8%) | 7,665 (8.8%) |
| 2017–2018 | 38,256 (44.1%) | 6,438 (7.4%) | 7,621 (8.8%) |
| 2015–2016 | 43,124 (49.7%) | 10,032 (11.6%) | 14,465 (16.7%) |
| 2013–2014 | 27,097 (31.2%) | 1,178 (1.4%) | 7,052 (8.1%) |
| 2011–2012 | 34,210 (39.4%) | 1,797 (2.1%) | 7,653 (8.8%) |
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
- 110,148 (± 1,298)
- Median Age
- 41.3
- Median Household Income
- $98,621 (± $3,313)
- High School Graduate or Higher (age 25+)
- 93.7%
- Bachelor's Degree or Higher (age 25+)
- 31.8%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 24,303 | 22.1% |
| 18 to 64 | 67,855 | 61.6% |
| 65 and over | 17,990 | 16.3% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 15,446 | 14.0% |
| White, not Hispanic | 85,111 | 77.3% |
| Black, not Hispanic | 2,123 | 1.9% |
| Asian, not Hispanic | 2,767 | 2.5% |
| American Indian / Alaska Native, not Hispanic | 43 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 29 | 0.0% |
| Some other race, not Hispanic | 551 | 0.5% |
| Two or more races, not Hispanic | 4,078 | 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
- 106,055
- Citizen Voting Age Population (CVAP)
- 81,835
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 92,878 | 87.6% |
| Hispanic | 13,179 | 12.4% |
| White | 85,596 | 80.7% |
| Black | 2,391 | 2.3% |
| Asian | 2,125 | 2.0% |
| American Indian / Alaska Native | 36 | 0.0% |
| Native Hawaiian / Pacific Islander | 28 | 0.0% |
| Two or More Races | 303 | 0.3% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 74,712 | 91.3% |
| Hispanic | 7,115 | 8.7% |
| White | 70,750 | 86.5% |
| Black | 1,524 | 1.9% |
| Asian | 1,977 | 2.4% |
| American Indian / Alaska Native | 391 | 0.5% |
| Native Hawaiian / Pacific Islander | 28 | 0.0% |
| Two or More Races | 74 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
