Illinois State House District 57

State Legislative District Profile (Lower Chamber)

Overview

District ID
il-hd-057
State
Illinois
Chamber
Lower chamber
District Code
057
Land Area
40.2 sq mi
Water Area
0.57 sq mi

Boundary

Boundary of Illinois State House District 57

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Cook County35.81 sq mi89.1%3.8%
Lake County4.40 sq mi10.9%1.0%

Showing all 2 counties

Places

PlaceOverlapShare of district landShare of place land
Northbrook village9.58 sq mi23.8%72.3%
Wheeling village6.72 sq mi16.7%77.4%
Northfield village3.22 sq mi8.0%99.8%
Riverwoods village2.90 sq mi7.2%73.1%
Glenview village2.04 sq mi5.1%14.1%
Glencoe village2.00 sq mi5.0%53.7%
Prospect Heights city1.83 sq mi4.5%43.4%
Mount Prospect village1.22 sq mi3.0%11.3%
Buffalo Grove village0.67 sq mi1.7%7.0%
Wilmette village0.60 sq mi1.5%11.1%
Des Plaines city0.54 sq mi1.3%3.8%
Lincolnshire village0.39 sq mi1.0%8.6%
Deerfield village0.21 sq mi0.5%3.9%

Showing all 13 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 1065,77660.7%8.7%67.4%
IL District 941,26438.1%5.5%31.2%
IL District 51,3771.3%0.2%1.4%

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

Voters

Registered Voters
78,621
Active Voters
75,091 (95.5%)

Party Registration

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

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202615,334 (19.5%)0 (0.0%)0 (0.0%)
2023–202450,933 (64.8%)9,247 (11.8%)3,294 (4.2%)
2021–202236,964 (47.0%)9,028 (11.5%)4,546 (5.8%)
2019–202051,804 (65.9%)16,398 (20.9%)2,384 (3.0%)
2017–201838,294 (48.7%)11,978 (15.2%)4,762 (6.1%)
2015–201641,347 (52.6%)14,493 (18.4%)10,176 (12.9%)
2013–201425,745 (32.7%)2,053 (2.6%)4,645 (5.9%)
2011–201231,702 (40.3%)4,745 (6.0%)5,947 (7.6%)

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
107,382 (± 2,320)
Median Age
43.8
Median Household Income
$114,115 (± $5,086)
High School Graduate or Higher (age 25+)
92.5%
Bachelor's Degree or Higher (age 25+)
58.9%

Population by Age

GroupPeopleShare
Under 1823,18521.6%
18 to 6461,95657.7%
65 and over22,24120.7%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)15,64714.6%
White, not Hispanic70,13865.3%
Black, not Hispanic2,2862.1%
Asian, not Hispanic15,45414.4%
American Indian / Alaska Native, not Hispanic160.0%
Native Hawaiian / Pacific Islander, not Hispanic170.0%
Some other race, not Hispanic1,0541.0%
Two or more races, not Hispanic2,7702.6%

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
93,427
Citizen Voting Age Population (CVAP)
71,665

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic82,75388.6%
Hispanic10,67311.4%
White67,09071.8%
Black2,0412.2%
Asian11,64512.5%
American Indian / Alaska Native160.0%
Native Hawaiian / Pacific Islander190.0%
Two or More Races4420.5%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic64,83690.5%
Hispanic6,8289.5%
White53,66774.9%
Black1,9122.7%
Asian8,89012.4%
American Indian / Alaska Native1530.2%
Native Hawaiian / Pacific Islander80.0%
Two or More Races2230.3%

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