Illinois State Senate seat · lines in effect since 2022
Illinois Legislative District 13
A district of about 236,000 people, 45% Black, 54% of adults with a bachelor's degree. It votes D+75.3 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.
Democratic
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
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 13.
Higher than 86% of seats.
Lower than 98% of seats.
Lower than 52% of seats.
Higher than 91% of seats.
Higher than 81% of seats.
Denser than 90% of seats.
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET
Seats most like this one
Nearest seats on demographics, density and lean.
District 541% Black · 55% college gradsD+70.0Held DDistrict 3
21% Hispanic · 48% BlackD+71.3Held DDistrict 7
61% college gradsD+78.1Not up in 2026District 4
23% Hispanic · 45% BlackD+56.4Not up in 2026
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 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