Illinois State Senate seat · lines in effect since 2022

Illinois Legislative District 22

A district of about 204,000 people, 44% Hispanic, 30% of adults with a bachelor's degree. It votes D+21.4 relative to the nation for president.

Where it sits among all 59 seats

Every Illinois State Senate seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.

D+21.424th most
Democratic
Most DemocraticMost Republican30th seat · the majority lineDistrict 22

Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Every race on these lines

Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.

2016
U.S. SenateD+33.6

Outlined: the race for this seat itselfBlank: no race that year

Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 7, 2026, 3:01 PM ET

Who lives here, compared

Grey bars show the spread of all 59 seats. Small marks are other seats in Illinois. The black marker is District 22.

Adults with a bachelor's degree30% 38th pct · 37th of 59 in IL

Lower than 62% of seats.

White adults without a degree25% 34th pct · 39th of 59 in IL

Lower than 66% of seats.

Hispanic residents44% 91st pct · 6th of 59 in IL

Higher than 91% of seats.

Black residents6% 48th pct · 31st of 59 in IL

Lower than 52% of seats.

Asian residents13% 90th pct · 7th of 59 in IL

Higher than 90% of seats.

People per square mile4,066 69th pct · 19th of 59 in IL

Denser than 69% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET