Illinois State House District 54

State Legislative District Profile (Lower Chamber)

Overview

District ID
il-hd-054
State
Illinois
Chamber
Lower chamber
District Code
054
Land Area
21.6 sq mi
Water Area
0.14 sq mi

Boundary

Boundary of Illinois State House District 54

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Cook County21.65 sq mi100.0%2.3%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Arlington Heights village11.61 sq mi53.6%69.9%
Palatine village4.12 sq mi19.0%29.2%
Prospect Heights city2.43 sq mi11.2%57.7%
Buffalo Grove village1.57 sq mi7.2%16.4%
Mount Prospect village1.16 sq mi5.4%10.9%
Rolling Meadows city0.12 sq mi0.5%2.1%
Wheeling village0.08 sq mi0.4%0.9%

Showing all 7 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 545,81142.2%6.1%45.4%
IL District 931,42228.9%4.2%33.9%
IL District 831,35628.9%4.2%20.7%

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

Voters

Registered Voters
76,503
Active Voters
73,189 (95.7%)

Party Registration

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

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202615,828 (20.7%)0 (0.0%)0 (0.0%)
2023–202450,987 (66.6%)8,456 (11.1%)4,136 (5.4%)
2021–202236,977 (48.3%)8,857 (11.6%)6,256 (8.2%)
2019–202050,944 (66.6%)14,808 (19.4%)3,309 (4.3%)
2017–201837,501 (49.0%)10,672 (13.9%)6,257 (8.2%)
2015–201640,466 (52.9%)12,602 (16.5%)11,708 (15.3%)
2013–201425,475 (33.3%)1,458 (1.9%)5,886 (7.7%)
2011–201231,812 (41.6%)3,563 (4.7%)7,126 (9.3%)

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
104,243 (± 2,481)
Median Age
42.0
Median Household Income
$103,166 (± $3,483)
High School Graduate or Higher (age 25+)
92.5%
Bachelor's Degree or Higher (age 25+)
53.6%

Population by Age

GroupPeopleShare
Under 1823,16022.2%
18 to 6460,95058.5%
65 and over20,13319.3%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)18,04017.3%
White, not Hispanic69,18466.4%
Black, not Hispanic3,3933.3%
Asian, not Hispanic10,38710.0%
American Indian / Alaska Native, not Hispanic120.0%
Native Hawaiian / Pacific Islander, not Hispanic500.0%
Some other race, not Hispanic2650.3%
Two or more races, not Hispanic2,9122.8%

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
93,014
Citizen Voting Age Population (CVAP)
71,234

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic79,07985.0%
Hispanic13,93115.0%
White66,86771.9%
Black3,0803.3%
Asian7,2597.8%
American Indian / Alaska Native110.0%
Native Hawaiian / Pacific Islander500.1%
Two or More Races1870.2%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic63,02388.5%
Hispanic8,21211.5%
White54,58276.6%
Black2,5193.5%
Asian5,6177.9%
American Indian / Alaska Native1340.2%
Native Hawaiian / Pacific Islander510.1%
Two or More Races1220.2%

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