Illinois State Senate seat · lines in effect since 2022

Illinois Legislative District 28

A district of about 231,000 people, 45% of adults with a bachelor's degree. It votes D+11.6 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+11.635th most
Democratic
Most DemocraticMost Republican30th seat · the majority lineDistrict 28

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.

201620182020
U.S. SenateD+32.1No raceD+31.8
GovernorNo raceD+31.9No race

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 28.

Adults with a bachelor's degree45% 72nd pct · 17th of 59 in IL

Higher than 72% of seats.

White adults without a degree34% 50th pct · 30th of 59 in IL

Higher than 50% of seats.

Hispanic residents18% 66th pct · 21st of 59 in IL

Higher than 66% of seats.

Black residents4% 33rd pct · 40th of 59 in IL

Lower than 67% of seats.

Asian residents16% 98th pct · 2nd of 59 in IL

Higher than 98% of seats.

People per square mile4,092 71st pct · 18th of 59 in IL

Denser than 71% of seats.

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