Illinois State Senate District 22

State Legislative District Profile (Upper Chamber)

Overview

District ID
il-sd-022
State
Illinois
Chamber
Upper chamber (state senate)
District Code
022
Land Area
49.5 sq mi
Water Area
0.72 sq mi

Boundary

Boundary of Illinois State Senate District 22

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Cook County35.17 sq mi71.0%3.7%
Kane County14.29 sq mi28.8%2.8%

Showing all 2 counties

Places

PlaceOverlapShare of district landShare of place land
Hoffman Estates village12.32 sq mi24.9%60.0%
Elgin city12.29 sq mi24.8%32.2%
Streamwood village7.19 sq mi14.5%92.1%
Schaumburg village4.28 sq mi8.6%22.1%
Hanover Park village2.58 sq mi5.2%40.1%
Carpentersville village2.49 sq mi5.0%31.6%
East Dundee village1.56 sq mi3.2%53.4%
Barrington Hills village0.46 sq mi0.9%1.7%
South Barrington village0.04 sq mi0.1%0.5%
Bartlett village0.03 sq mi0.1%0.2%

Showing all 10 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 8182,42084.0%24.2%87.5%
IL District 334,71116.0%4.6%12.5%

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

Voters

Registered Voters
119,077
Active Voters
111,641 (93.8%)

Party Registration

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

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202614,070 (11.8%)0 (0.0%)0 (0.0%)
2023–202467,127 (56.4%)8,037 (6.7%)4,450 (3.7%)
2021–202239,648 (33.3%)9,616 (8.1%)5,737 (4.8%)
2019–202065,193 (54.7%)17,281 (14.5%)3,836 (3.2%)
2017–201842,922 (36.0%)10,985 (9.2%)5,282 (4.4%)
2015–201650,136 (42.1%)18,468 (15.5%)9,718 (8.2%)
2013–201425,630 (21.5%)2,036 (1.7%)4,857 (4.1%)
2011–201235,685 (30.0%)4,640 (3.9%)5,166 (4.3%)

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
212,712 (± 2,842)
Median Age
36.2
Median Household Income
$87,360 (± $2,618)
High School Graduate or Higher (age 25+)
82.2%
Bachelor's Degree or Higher (age 25+)
28.7%

Population by Age

GroupPeopleShare
Under 1854,91525.8%
18 to 64129,83061.0%
65 and over27,96713.1%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)97,00845.6%
White, not Hispanic68,26032.1%
Black, not Hispanic12,2615.8%
Asian, not Hispanic27,02912.7%
American Indian / Alaska Native, not Hispanic3540.2%
Native Hawaiian / Pacific Islander, not Hispanic00.0%
Some other race, not Hispanic6610.3%
Two or more races, not Hispanic7,1393.4%

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
172,425
Citizen Voting Age Population (CVAP)
120,830

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic104,69760.7%
Hispanic67,72639.3%
White66,41038.5%
Black11,7356.8%
Asian20,65912.0%
American Indian / Alaska Native3530.2%
Native Hawaiian / Pacific Islander00.0%
Two or More Races7100.4%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic82,25368.1%
Hispanic38,57931.9%
White55,53846.0%
Black8,4147.0%
Asian17,10214.2%
American Indian / Alaska Native7130.6%
Native Hawaiian / Pacific Islander00.0%
Two or More Races5490.5%

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