Overview
- District ID
- il-sd-049
- State
- Illinois
- Chamber
- Upper chamber (state senate)
- District Code
- 049
- Land Area
- 102.3 sq mi
- Water Area
- 2.58 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 11 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 | 199,566 | 91.9% | 26.5% | 92.5% |
| IL District 11 | 17,658 | 8.1% | 2.3% | 7.5% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 151,130
- Active Voters
- 144,161 (95.4%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 21,712 (14.4%) | <10 (—) | <10 (—) |
| 2023–2024 | 101,485 (67.2%) | 9,875 (6.5%) | 7,969 (5.3%) |
| 2021–2022 | 68,449 (45.3%) | 11,573 (7.7%) | 11,029 (7.3%) |
| 2019–2020 | 96,933 (64.1%) | 24,853 (16.4%) | 7,421 (4.9%) |
| 2017–2018 | 67,063 (44.4%) | 14,598 (9.7%) | 7,760 (5.1%) |
| 2015–2016 | 73,116 (48.4%) | 23,968 (15.9%) | 16,888 (11.2%) |
| 2013–2014 | 41,698 (27.6%) | 3,191 (2.1%) | 7,781 (5.1%) |
| 2011–2012 | 54,339 (36.0%) | 3,902 (2.6%) | 8,224 (5.4%) |
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
- 219,575 (± 2,786)
- Median Age
- 37.2
- Median Household Income
- $117,693 (± $2,632)
- High School Graduate or Higher (age 25+)
- 92.8%
- Bachelor's Degree or Higher (age 25+)
- 40.2%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 54,710 | 24.9% |
| 18 to 64 | 138,957 | 63.3% |
| 65 and over | 25,908 | 11.8% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 47,544 | 21.7% |
| White, not Hispanic | 118,902 | 54.2% |
| Black, not Hispanic | 26,754 | 12.2% |
| Asian, not Hispanic | 18,158 | 8.3% |
| American Indian / Alaska Native, not Hispanic | 104 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 1 | 0.0% |
| Some other race, not Hispanic | 734 | 0.3% |
| Two or more races, not Hispanic | 7,378 | 3.4% |
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
- 205,829
- Citizen Voting Age Population (CVAP)
- 152,346
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 164,290 | 79.8% |
| Hispanic | 41,538 | 20.2% |
| White | 117,779 | 57.2% |
| Black | 25,496 | 12.4% |
| Asian | 15,227 | 7.4% |
| American Indian / Alaska Native | 91 | 0.0% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 855 | 0.4% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 125,306 | 82.3% |
| Hispanic | 27,041 | 17.7% |
| White | 92,615 | 60.8% |
| Black | 19,544 | 12.8% |
| Asian | 12,093 | 7.9% |
| American Indian / Alaska Native | 577 | 0.4% |
| Native Hawaiian / Pacific Islander | 3 | 0.0% |
| Two or More Races | 531 | 0.3% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
