Overview
- District ID
- il-sd-038
- State
- Illinois
- Chamber
- Upper chamber (state senate)
- District Code
- 038
- Land Area
- 979.6 sq mi
- Water Area
- 13.2 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 6 counties
Places
Showing top 25 of 39 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 14 | 192,158 | 88.4% | 25.5% | 79.9% |
| IL District 16 | 25,123 | 11.6% | 3.3% | 20.1% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 164,236
- Active Voters
- 147,585 (89.9%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 29,226 (17.8%) | 351 (0.2%) | 1,500 (0.9%) |
| 2023–2024 | 104,451 (63.6%) | 10,345 (6.3%) | 13,408 (8.2%) |
| 2021–2022 | 76,032 (46.3%) | 9,707 (5.9%) | 17,964 (10.9%) |
| 2019–2020 | 94,923 (57.8%) | 20,928 (12.7%) | 11,160 (6.8%) |
| 2017–2018 | 71,573 (43.6%) | 15,064 (9.2%) | 12,135 (7.4%) |
| 2015–2016 | 76,522 (46.6%) | 19,679 (12.0%) | 22,869 (13.9%) |
| 2013–2014 | 50,256 (30.6%) | 3,031 (1.8%) | 13,075 (8.0%) |
| 2011–2012 | 59,322 (36.1%) | 4,209 (2.6%) | 13,072 (8.0%) |
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
- 221,017 (± 2,110)
- Median Age
- 36.8
- Median Household Income
- $80,139 (± $1,679)
- High School Graduate or Higher (age 25+)
- 92.7%
- Bachelor's Degree or Higher (age 25+)
- 28.2%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 50,173 | 22.7% |
| 18 to 64 | 136,599 | 61.8% |
| 65 and over | 34,245 | 15.5% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 33,680 | 15.2% |
| White, not Hispanic | 161,500 | 73.1% |
| Black, not Hispanic | 12,045 | 5.4% |
| Asian, not Hispanic | 4,211 | 1.9% |
| American Indian / Alaska Native, not Hispanic | 364 | 0.2% |
| Native Hawaiian / Pacific Islander, not Hispanic | 1 | 0.0% |
| Some other race, not Hispanic | 499 | 0.2% |
| Two or more races, not Hispanic | 8,717 | 3.9% |
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
- 215,022
- Citizen Voting Age Population (CVAP)
- 165,276
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 184,873 | 86.0% |
| Hispanic | 30,154 | 14.0% |
| White | 163,247 | 75.9% |
| Black | 11,954 | 5.6% |
| Asian | 3,122 | 1.5% |
| American Indian / Alaska Native | 362 | 0.2% |
| Native Hawaiian / Pacific Islander | 1 | 0.0% |
| Two or More Races | 717 | 0.3% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 146,114 | 88.4% |
| Hispanic | 19,170 | 11.6% |
| White | 129,969 | 78.6% |
| Black | 10,553 | 6.4% |
| Asian | 3,568 | 2.2% |
| American Indian / Alaska Native | 1,692 | 1.0% |
| Native Hawaiian / Pacific Islander | 1 | 0.0% |
| Two or More Races | 396 | 0.2% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
