Illinois State Senate seat · lines in effect since 2022

Illinois Legislative District 4

A district of about 210,000 people, 23% Hispanic and 45% Black, 31% of adults with a bachelor's degree. It votes D+56.4 relative to the nation for president.

2024 election

Nov 5, 2024
  1. Kimberly Lightford (D) · won76.4%
  2. Robert Sumrell Jr. (R)23.6%

Full results →

Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 12:13 PM ET

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+56.49th most
Democratic
Most DemocraticMost Republican30th seat · the majority lineDistrict 4

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 election for this seat

18 races since 1970. District numbers are redrawn after each census: each group is one set of lines.

YearWinnerRunner-upWon by
Lines first used in 2022
2024Kimberly Lightford (D)Robert Sumrell Jr. (R)52.8
2022Kimberly Lightford (D)—Unopposed
Lines first used in 2012
2020Kimberly Lightford (D)—Unopposed
2016Kimberly Lightford (D)—Unopposed
2012Kimberly Lightford (D)—Unopposed
Lines first used in 2002
2010Kimberly Lightford (D)—Unopposed
2006Kimberly Lightford (D)Antoinette Ruback (R)77.0
2002Kimberly Lightford (D)Robert Dallas (R)69.4
Lines first used in 1992
1998Kimberly Lightford (D)Randal G. Birkey (R)74.5
1996Earlean Collins (D)—Unopposed
1992Earlean Collins (D)—Unopposed
Lines first used in 1982
1988Dawn Clark Netsch (D)Kent D. Griffiths (R)28.3
1984Dawn Clark Netsch (D)—Unopposed
1982Dawn Clark Netsch (D)—Unopposed
Lines first used in 1972
1978John J. Nimrod (R)Samuel S. Berger (D)20.1
1974John J. Nimrod (R)Patton Feichter (D)9.8
1972John J. Nimrod (R)Thomas William Flynn (D)26.4
Lines first used in 1962
1970John W. Carroll (R)Alan J. Scheffres (D)3.9

Won by: the winner's lead over the runner-up, in points of the vote. Source: 99chambers results archive (MEDSL, Klarner, state election offices)

Districts that overlap District 4

The state's districts in other chambers that share residents with this one, and the share of District 4's area in each.

U.S. House
IL-7 57%, IL-4 32%, IL-6 11%
Illinois House of Representatives
RD-7 64%, RD-8 36%

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
PresidentD+0.7No raceD+5.9
U.S. SenateR+14.3No raceD+0.1
GovernorNo raceR+16.6No 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 8, 2026, 7:01 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 4.

Adults with a bachelor's degree31% 43rd pct · 34th of 59 in IL

Lower than 57% of seats.

White adults without a degree13% 12th pct · 52nd of 59 in IL

Lower than 88% of seats.

Hispanic residents23% 78th pct · 14th of 59 in IL

Higher than 78% of seats.

Black residents45% 90th pct · 7th of 59 in IL

Higher than 90% of seats.

Asian residents2% 38th pct · 37th of 59 in IL

Lower than 62% of seats.

People per square mile5,027 76th pct · 15th of 59 in IL

Denser than 76% of seats.

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