Illinois State House District 1

State Legislative District Profile (Lower Chamber)

Overview

District ID
il-hd-001
State
Illinois
Chamber
Lower chamber
District Code
001
Land Area
11.2 sq mi
Water Area
0.18 sq mi

Boundary

Boundary of Illinois State House District 1

Boundary as GeoJSON

Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.

Counties

CountyOverlapShare of district landShare of county land
Cook County11.18 sq mi100.0%1.2%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Chicago city8.99 sq mi80.4%3.9%
Forest View village1.17 sq mi10.4%100.0%
Stickney village0.02 sq mi0.1%0.8%

Showing all 3 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
IL District 4100,13792.4%13.3%94.9%
IL District 64,4104.1%0.6%3.3%
IL District 73,8713.6%0.5%1.8%

Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).

Voters

Registered Voters
49,941
Active Voters
47,373 (94.9%)

Party Registration

This state's voter file does not record party registration.

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–2026291 (0.6%)0 (0.0%)0 (0.0%)
2023–202425,260 (50.6%)5,965 (11.9%)1,215 (2.4%)
2021–202213,872 (27.8%)4,343 (8.7%)840 (1.7%)
2019–202025,787 (51.6%)11,366 (22.8%)576 (1.2%)
2017–201817,387 (34.8%)9,530 (19.1%)600 (1.2%)
2015–201622,508 (45.1%)14,404 (28.8%)1,360 (2.7%)
2013–201410,535 (21.1%)2,909 (5.8%)539 (1.1%)
2011–201214,788 (29.6%)3,890 (7.8%)565 (1.1%)

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
103,934 (± 4,694)
Median Age
37.0
Median Household Income
$67,157 (± $4,869)
High School Graduate or Higher (age 25+)
70.5%
Bachelor's Degree or Higher (age 25+)
17.5%

Population by Age

GroupPeopleShare
Under 1824,93024.0%
18 to 6464,69862.2%
65 and over14,30613.8%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)82,21679.1%
White, not Hispanic11,50311.1%
Black, not Hispanic5,9795.8%
Asian, not Hispanic3,4153.3%
American Indian / Alaska Native, not Hispanic1000.1%
Native Hawaiian / Pacific Islander, not Hispanic480.0%
Some other race, not Hispanic1650.2%
Two or more races, not Hispanic5080.5%

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
80,768
Citizen Voting Age Population (CVAP)
56,491

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic20,08924.9%
Hispanic60,68175.1%
White10,87213.5%
Black5,8987.3%
Asian2,7133.4%
American Indian / Alaska Native1010.1%
Native Hawaiian / Pacific Islander500.1%
Two or More Races800.1%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic17,05630.2%
Hispanic39,42969.8%
White9,85117.4%
Black4,5398.0%
Asian2,3974.2%
American Indian / Alaska Native2700.5%
Native Hawaiian / Pacific Islander480.1%
Two or More Races800.1%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).