Overview
- District ID
- il-hd-049
- State
- Illinois
- Chamber
- Lower chamber
- District Code
- 049
- Land Area
- 66.5 sq mi
- Water Area
- 2.05 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 3 counties
Places
Showing all 13 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 3 | 62,191 | 57.2% | 8.3% | 69.8% |
| IL District 8 | 28,202 | 25.9% | 3.7% | 17.8% |
| IL District 11 | 18,360 | 16.9% | 2.4% | 12.5% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 73,273
- Active Voters
- 67,673 (92.4%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 10,978 (15.0%) | <10 (—) | <10 (—) |
| 2023–2024 | 46,178 (63.0%) | 5,372 (7.3%) | 4,531 (6.2%) |
| 2021–2022 | 30,840 (42.1%) | 5,681 (7.8%) | 5,515 (7.5%) |
| 2019–2020 | 43,805 (59.8%) | 10,106 (13.8%) | 4,040 (5.5%) |
| 2017–2018 | 31,058 (42.4%) | 6,712 (9.2%) | 6,200 (8.5%) |
| 2015–2016 | 33,670 (46.0%) | 10,060 (13.7%) | 9,297 (12.7%) |
| 2013–2014 | 19,674 (26.9%) | 1,008 (1.4%) | 5,002 (6.8%) |
| 2011–2012 | 25,443 (34.7%) | 2,184 (3.0%) | 5,625 (7.7%) |
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
- 108,142 (± 2,286)
- Median Age
- 38.5
- Median Household Income
- $109,744 (± $6,987)
- High School Graduate or Higher (age 25+)
- 88.3%
- Bachelor's Degree or Higher (age 25+)
- 42.8%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 26,139 | 24.2% |
| 18 to 64 | 66,731 | 61.7% |
| 65 and over | 15,272 | 14.1% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 28,457 | 26.3% |
| White, not Hispanic | 53,677 | 49.6% |
| Black, not Hispanic | 5,188 | 4.8% |
| Asian, not Hispanic | 17,195 | 15.9% |
| American Indian / Alaska Native, not Hispanic | 37 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 467 | 0.4% |
| Two or more races, not Hispanic | 3,121 | 2.9% |
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
- 95,153
- Citizen Voting Age Population (CVAP)
- 70,142
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 74,276 | 78.1% |
| Hispanic | 20,876 | 21.9% |
| White | 53,678 | 56.4% |
| Black | 5,027 | 5.3% |
| Asian | 13,307 | 14.0% |
| American Indian / Alaska Native | 62 | 0.1% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 105 | 0.1% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 58,222 | 83.0% |
| Hispanic | 11,926 | 17.0% |
| White | 43,675 | 62.3% |
| Black | 4,115 | 5.9% |
| Asian | 10,099 | 14.4% |
| American Indian / Alaska Native | 286 | 0.4% |
| Native Hawaiian / Pacific Islander | 3 | 0.0% |
| Two or More Races | 87 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
