Overview
- District ID
- il-hd-063
- State
- Illinois
- Chamber
- Lower chamber
- District Code
- 063
- Land Area
- 124.9 sq mi
- Water Area
- 1.97 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 |
|---|
| McHenry County | 124.89 sq mi | 100.0% | 20.7% |
Showing all 1 county
Places
Showing all 19 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 11 | 77,075 | 71.0% | 10.2% | 85.2% |
| IL District 9 | 29,774 | 27.4% | 4.0% | 13.6% |
| IL District 10 | 1,680 | 1.5% | 0.2% | 1.2% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 77,512
- Active Voters
- 75,721 (97.7%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 13,799 (17.8%) | 0 (0.0%) | 2,245 (2.9%) |
| 2023–2024 | 57,251 (73.9%) | 6,193 (8.0%) | 7,009 (9.0%) |
| 2021–2022 | 40,750 (52.6%) | 5,489 (7.1%) | 10,490 (13.5%) |
| 2019–2020 | 52,316 (67.5%) | 11,307 (14.6%) | 6,878 (8.9%) |
| 2017–2018 | 37,809 (48.8%) | 7,298 (9.4%) | 9,372 (12.1%) |
| 2015–2016 | 40,763 (52.6%) | 10,224 (13.2%) | 14,461 (18.7%) |
| 2013–2014 | 25,472 (32.9%) | 895 (1.2%) | 8,142 (10.5%) |
| 2011–2012 | 31,721 (40.9%) | 1,398 (1.8%) | 7,493 (9.7%) |
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
- 109,781 (± 1,480)
- Median Age
- 41.7
- Median Household Income
- $101,010 (± $3,136)
- High School Graduate or Higher (age 25+)
- 92.6%
- Bachelor's Degree or Higher (age 25+)
- 37.0%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 22,873 | 20.8% |
| 18 to 64 | 68,134 | 62.1% |
| 65 and over | 18,774 | 17.1% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 17,425 | 15.9% |
| White, not Hispanic | 84,484 | 77.0% |
| Black, not Hispanic | 1,418 | 1.3% |
| Asian, not Hispanic | 2,629 | 2.4% |
| American Indian / Alaska Native, not Hispanic | 45 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 17 | 0.0% |
| Some other race, not Hispanic | 181 | 0.2% |
| Two or more races, not Hispanic | 3,582 | 3.3% |
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
- 103,820
- Citizen Voting Age Population (CVAP)
- 81,035
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 91,141 | 87.8% |
| Hispanic | 12,679 | 12.2% |
| White | 85,417 | 82.3% |
| Black | 1,388 | 1.3% |
| Asian | 2,092 | 2.0% |
| American Indian / Alaska Native | 45 | 0.0% |
| Native Hawaiian / Pacific Islander | 17 | 0.0% |
| Two or More Races | 322 | 0.3% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 72,996 | 90.1% |
| Hispanic | 8,039 | 9.9% |
| White | 68,939 | 85.1% |
| Black | 1,547 | 1.9% |
| Asian | 1,993 | 2.5% |
| American Indian / Alaska Native | 290 | 0.4% |
| Native Hawaiian / Pacific Islander | 17 | 0.0% |
| Two or More Races | 214 | 0.3% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
