Overview
- District ID
- il-hd-114
- State
- Illinois
- Chamber
- Lower chamber
- District Code
- 114
- Land Area
- 421.6 sq mi
- Water Area
- 10.3 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 |
|---|
| St. Clair County | 421.60 sq mi | 100.0% | 64.1% |
Showing all 1 county
Places
Showing all 24 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 12 | 63,625 | 58.7% | 8.4% | 86.9% |
| IL District 13 | 44,759 | 41.3% | 5.9% | 13.1% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 87,058
- Active Voters
- 77,269 (88.8%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 12,970 (14.9%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 49,266 (56.6%) | 6,587 (7.6%) | 4,715 (5.4%) |
| 2021–2022 | 36,478 (41.9%) | 6,367 (7.3%) | 6,415 (7.4%) |
| 2019–2020 | 47,583 (54.7%) | 11,246 (12.9%) | 3,695 (4.2%) |
| 2017–2018 | 36,691 (42.1%) | 8,249 (9.5%) | 4,167 (4.8%) |
| 2015–2016 | 41,808 (48.0%) | 13,558 (15.6%) | 9,552 (11.0%) |
| 2013–2014 | 27,514 (31.6%) | 5,597 (6.4%) | 3,396 (3.9%) |
| 2011–2012 | 34,916 (40.1%) | 6,287 (7.2%) | 4,220 (4.8%) |
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
- 107,732 (± 1,314)
- Median Age
- 39.2
- Median Household Income
- $70,966 (± $3,563)
- High School Graduate or Higher (age 25+)
- 93.0%
- Bachelor's Degree or Higher (age 25+)
- 29.2%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 26,166 | 24.3% |
| 18 to 64 | 62,686 | 58.2% |
| 65 and over | 18,880 | 17.5% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 3,774 | 3.5% |
| White, not Hispanic | 61,326 | 56.9% |
| Black, not Hispanic | 35,237 | 32.7% |
| Asian, not Hispanic | 1,239 | 1.2% |
| American Indian / Alaska Native, not Hispanic | 136 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 407 | 0.4% |
| Two or more races, not Hispanic | 5,613 | 5.2% |
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
- 106,702
- Citizen Voting Age Population (CVAP)
- 80,706
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 103,162 | 96.7% |
| Hispanic | 3,538 | 3.3% |
| White | 61,549 | 57.7% |
| Black | 35,363 | 33.1% |
| Asian | 948 | 0.9% |
| American Indian / Alaska Native | 138 | 0.1% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 927 | 0.9% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 78,666 | 97.5% |
| Hispanic | 2,039 | 2.5% |
| White | 48,342 | 59.9% |
| Black | 27,768 | 34.4% |
| Asian | 958 | 1.2% |
| American Indian / Alaska Native | 1,300 | 1.6% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 437 | 0.5% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
