Overview
- District ID
- il-sd-029
- State
- Illinois
- Chamber
- Upper chamber (state senate)
- District Code
- 029
- Land Area
- 98.8 sq mi
- Water Area
- 0.91 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 |
|---|
| Lake County | 59.29 sq mi | 60.0% | 13.4% |
| Cook County | 39.54 sq mi | 40.0% | 4.2% |
Showing all 2 counties
Places
Showing all 22 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 10 | 174,174 | 80.3% | 23.1% | 86.7% |
| IL District 9 | 41,264 | 19.0% | 5.5% | 12.7% |
| IL District 5 | 1,377 | 0.6% | 0.2% | 0.6% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 158,481
- Active Voters
- 147,736 (93.2%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 28,662 (18.1%) | 27 (0.0%) | <10 (—) |
| 2023–2024 | 107,652 (67.9%) | 17,142 (10.8%) | 6,637 (4.2%) |
| 2021–2022 | 82,329 (51.9%) | 20,521 (12.9%) | 8,961 (5.7%) |
| 2019–2020 | 105,456 (66.5%) | 35,622 (22.5%) | 4,315 (2.7%) |
| 2017–2018 | 82,460 (52.0%) | 25,610 (16.2%) | 9,590 (6.1%) |
| 2015–2016 | 86,318 (54.5%) | 32,333 (20.4%) | 21,973 (13.9%) |
| 2013–2014 | 57,019 (36.0%) | 3,705 (2.3%) | 9,916 (6.3%) |
| 2011–2012 | 67,202 (42.4%) | 10,670 (6.7%) | 13,165 (8.3%) |
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
- 216,981 (± 2,390)
- Median Age
- 41.8
- Median Household Income
- $134,909 (± $4,524)
- High School Graduate or Higher (age 25+)
- 94.7%
- Bachelor's Degree or Higher (age 25+)
- 66.3%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 46,462 | 21.4% |
| 18 to 64 | 126,364 | 58.2% |
| 65 and over | 44,155 | 20.3% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 28,013 | 12.9% |
| White, not Hispanic | 152,231 | 70.2% |
| Black, not Hispanic | 6,018 | 2.8% |
| Asian, not Hispanic | 22,075 | 10.2% |
| American Indian / Alaska Native, not Hispanic | 176 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 115 | 0.1% |
| Some other race, not Hispanic | 1,636 | 0.8% |
| Two or more races, not Hispanic | 6,717 | 3.1% |
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
- 198,072
- Citizen Voting Age Population (CVAP)
- 153,396
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 176,897 | 89.3% |
| Hispanic | 21,176 | 10.7% |
| White | 149,232 | 75.3% |
| Black | 5,588 | 2.8% |
| Asian | 17,075 | 8.6% |
| American Indian / Alaska Native | 172 | 0.1% |
| Native Hawaiian / Pacific Islander | 81 | 0.0% |
| Two or More Races | 801 | 0.4% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 139,237 | 90.8% |
| Hispanic | 14,162 | 9.2% |
| White | 118,931 | 77.5% |
| Black | 5,200 | 3.4% |
| Asian | 13,931 | 9.1% |
| American Indian / Alaska Native | 574 | 0.4% |
| Native Hawaiian / Pacific Islander | 75 | 0.0% |
| Two or More Races | 535 | 0.3% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).