Illinois State House District 38

State Legislative District Profile (Lower Chamber)

Overview

District ID
il-hd-038
State
Illinois
Chamber
Lower chamber
District Code
038
Land Area
58.8 sq mi
Water Area
0.18 sq mi

Boundary

Boundary of Illinois State House District 38

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Cook County38.39 sq mi65.3%4.1%
Will County20.39 sq mi34.7%2.4%

Showing all 2 counties

Places

PlaceOverlapShare of district landShare of place land
Frankfort village10.58 sq mi18.0%67.8%
Matteson village9.02 sq mi15.3%97.1%
Tinley Park village7.64 sq mi13.0%47.2%
Country Club Hills city4.97 sq mi8.5%100.0%
Richton Park village3.46 sq mi5.9%78.9%
Hazel Crest village2.73 sq mi4.6%80.3%
Frankfort Square CDP2.50 sq mi4.2%100.0%
Olympia Fields village1.65 sq mi2.8%56.0%
Oak Forest city0.97 sq mi1.7%16.1%
Mokena village0.33 sq mi0.6%3.8%
University Park village0.11 sq mi0.2%1.0%
Markham city0.09 sq mi0.2%1.8%
Homewood village0.09 sq mi0.2%1.7%

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 259,09454.4%7.8%46.6%
IL District 138,65535.6%5.1%48.6%
IL District 610,85210.0%1.4%4.8%

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

Voters

Registered Voters
86,250
Active Voters
82,858 (96.1%)

Party Registration

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

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202616,470 (19.1%)<10 (—)<10 (—)
2023–202455,144 (63.9%)11,833 (13.7%)2,822 (3.3%)
2021–202239,751 (46.1%)12,306 (14.3%)3,994 (4.6%)
2019–202056,093 (65.0%)20,954 (24.3%)2,158 (2.5%)
2017–201843,074 (49.9%)17,004 (19.7%)3,392 (3.9%)
2015–201647,295 (54.8%)24,219 (28.1%)6,681 (7.7%)
2013–201431,252 (36.2%)7,286 (8.4%)3,371 (3.9%)
2011–201238,872 (45.1%)8,608 (10.0%)3,619 (4.2%)

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
108,070 (± 1,871)
Median Age
42.4
Median Household Income
$96,877 (± $4,880)
High School Graduate or Higher (age 25+)
95.1%
Bachelor's Degree or Higher (age 25+)
37.6%

Population by Age

GroupPeopleShare
Under 1824,14322.3%
18 to 6463,64258.9%
65 and over20,28518.8%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)7,8397.3%
White, not Hispanic41,14938.1%
Black, not Hispanic52,67248.7%
Asian, not Hispanic2,1912.0%
American Indian / Alaska Native, not Hispanic220.0%
Native Hawaiian / Pacific Islander, not Hispanic240.0%
Some other race, not Hispanic3810.4%
Two or more races, not Hispanic3,7923.5%

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
106,332
Citizen Voting Age Population (CVAP)
82,288

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic99,22793.3%
Hispanic7,1086.7%
White41,73339.2%
Black52,78649.6%
Asian1,9871.9%
American Indian / Alaska Native210.0%
Native Hawaiian / Pacific Islander230.0%
Two or More Races3540.3%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic77,95794.7%
Hispanic4,3295.3%
White34,25341.6%
Black41,27250.2%
Asian2,0322.5%
American Indian / Alaska Native3050.4%
Native Hawaiian / Pacific Islander140.0%
Two or More Races1980.2%

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