Illinois Senate District 45

Tue, Nov 3 · Represented by Andrew Chesney Republican · Member list as of Oct 28

Joseph H. "Joe" BerningDemocratic

No published poll names both candidates.Last result · 2022 general: Andrew Chesney (R) 66.4, Gerald H. Podraza (D) 33.6

Andrew ChesneyRepublican · Incumbent4 years since first win on file

Last election: Andrew Chesney (Republican) won by 32.8 points, 2022
On the 2026 ballot: 2 candidates

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Side by side

Left column: BerningRight column: Chesney

Donor-based spectrum: LiberalCentristConservativeChesneyNo published score for Berning
Races won and lost: None on file; 3-0
Years since first win on file: Not available; 4

How these are counted

The spectrum is a published research score, not our rating. How this works. Wins and losses count the races in our results files, the same as each profile.

More about this race

Candidates on the ballot

Joseph H. "Joe" BerningDemocratic
Andrew ChesneyIncumbentRepublican

Party nominees only, not the certified ballot.

Source: elections.il.gov, dated Oct 28

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List every Senate district (59)

State Senate District 1· Javier Cervantes
State Senate District 2· Omar Aquino
State Senate District 3· Mattie Hunter
State Senate District 4· Kimberly Lightford
State Senate District 5· Lakesia Collins
State Senate District 6· Sara Feigenholtz
State Senate District 7· Mike Simmons-Gessesse
State Senate District 8· Ram Villivalam
State Senate District 9· Laura Fine
State Senate District 10· Rob Martwick
State Senate District 11· Mike Porfirio
State Senate District 12· Celina Villanueva
State Senate District 13· Robert Peters
State Senate District 14· Emil Jones
State Senate District 15· Napoleon Harris
State Senate District 16· Willie Preston
State Senate District 17· Elgie Sims
State Senate District 18· Bill Cunningham
State Senate District 19· Mike Hastings
State Senate District 20· Graciela Guzmán
State Senate District 21· Laura Ellman
State Senate District 22· Cristina Castro
State Senate District 23· Suzy Glowiak Hilton
State Senate District 24· Seth Lewis
State Senate District 25· Karina Villa
State Senate District 26· Darby Hills
State Senate District 27· Mark Walker
State Senate District 28· Laura Murphy
State Senate District 29· Julie Morrison
State Senate District 30· Adriane Johnson
State Senate District 31· Mary Edly-Allen
State Senate District 32· Craig Wilcox
State Senate District 33· Don DeWitte
State Senate District 34· Steve Stadelman
State Senate District 35· Dave Syverson
State Senate District 36· Mike Halpin
State Senate District 37· Li Arellano
State Senate District 38· Sue Rezin
State Senate District 39· Don Harmon
State Senate District 40· Patrick Joyce
State Senate District 41· John Curran
State Senate District 42· Linda Holmes
State Senate District 43· Rachel Ventura
State Senate District 44· Sally Turner
State Senate District 45· Andrew Chesney
State Senate District 46· Dave Koehler
State Senate District 47· Neil Anderson
State Senate District 48· Doris Turner
State Senate District 49· Meg Loughran Cappel
State Senate District 50· Jil Tracy
State Senate District 51· Chapin Rose
State Senate District 52· Paul Faraci
State Senate District 53· Chris Balkema
State Senate District 54· Steve McClure
State Senate District 55· Jason Plummer
State Senate District 56· Erica Harriss
State Senate District 57· Christopher Belt
State Senate District 58· Terri Bryant
State Senate District 59· Paul Jacobs

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Official results for Illinois

History (17 elections for this seat)

Votes for listed candidates: 84,539
Election day: November 8, 2022
District map: Older district map (2022)

Illinois Senate District 45, 1970 to 2022, 2022, every candidate
Candidate	Party	Votes and share	Share
RepublicanAndrew ChesneyWon	Republican	56,17166.4%	66.4%
DemocraticGerald H. Podraza	Democratic	28,36833.6%	33.6%

Votes for listed candidates: 79,717
Election day: November 6, 2018
District map: Older district map (2012 to 2021)

Illinois Senate District 45, 1970 to 2022, 2018, every candidate
Candidate	Party	Votes and share	Share
RepublicanBrian W. StewartWon	Republican	49,93662.6%	62.6%
DemocraticDavid Simpson	Democratic	29,78137.4%	37.4%

Illinois Senate District 45, 1970 to 2022, 2014, every candidate
Candidate	Party	Votes and share	Share
RepublicanTim BivinsWon(incumbent)	Republican	59,865100.0%	100.0%

Illinois Senate District 45, 1970 to 2022, 2012, every candidate
Candidate	Party	Votes and share	Share
RepublicanTim BivinsWon(incumbent)	Republican	78,179100.0%	100.0%

Illinois Senate District 45, 1970 to 2022, 2008, every candidate
Candidate	Party	Votes and share	Share
RepublicanTim BivinsWon	Republican	61,31063.2%	63.2%
DemocraticMarty Mulcahey	Democratic	35,72836.8%	36.8%

Illinois Senate District 45, 1970 to 2022, 2006, every candidate
Candidate	Party	Votes and share	Share
RepublicanTodd SiebenWon(incumbent)	Republican	53,069100.0%	100.0%

Illinois Senate District 45, 1970 to 2022, 2002, every candidate
Candidate	Party	Votes and share	Share
RepublicanTodd SiebenWon(incumbent)	Republican	55,560100.0%	100.0%

Illinois Senate District 45, 1970 to 2022, 2000, every candidate
Candidate	Party	Votes and share	Share
RepublicanRobert A. MadiganWon(incumbent)	Republican	73,785100.0%	100.0%

Illinois Senate District 45, 1970 to 2022, 1996, every candidate
Candidate	Party	Votes and share	Share
RepublicanRobert A. MadiganWon(incumbent)	Republican	61,993100.0%	100.0%

Illinois Senate District 45, 1970 to 2022, 1992, every candidate
Candidate	Party	Votes and share	Share
RepublicanRobert A. MadiganWon(incumbent)	Republican	68,377100.0%	100.0%

Illinois Senate District 45, 1970 to 2022, 1988, every candidate
Candidate	Party	Votes and share	Share
RepublicanRobert A. MadiganWon(incumbent)	Republican	66,249100.0%	100.0%

Votes for listed candidates: 59,480
Election day: November 4, 1986
District map: Older district map (1982 to 1991)

Illinois Senate District 45, 1970 to 2022, 1986, every candidate
Candidate	Party	Votes and share	Share
RepublicanRobert A. MadiganWon	Republican	45,92477.2%	77.2%
DemocraticBobby Rhines	Democratic	13,55622.8%	22.8%

Votes for listed candidates: 54,378
Election day: November 2, 1982
District map: Older district map (1982 to 1991)

Illinois Senate District 45, 1970 to 2022, 1982, every candidate
Candidate	Party	Votes and share	Share
RepublicanRoger A. SommerWon(incumbent)	Republican	54,374100.0%	100.0%
Scattered write-ins	Write-in	40.0%	0.0%

Votes for listed candidates: 89,172
Election day: November 4, 1980
District map: Older district map (1972 to 1981)

Illinois Senate District 45, 1970 to 2022, 1980, every candidate
Candidate	Party	Votes and share	Share
RepublicanRoger A. SommerWon(incumbent)	Republican	63,10570.8%	70.8%
DemocraticDonald L. Baker	Democratic	26,06729.2%	29.2%

Votes for listed candidates: 83,422
Election day: November 2, 1976
District map: Older district map (1972 to 1981)

Illinois Senate District 45, 1970 to 2022, 1976, every candidate
Candidate	Party	Votes and share	Share
RepublicanRoger A. SommerWon(incumbent)	Republican	49,67859.5%	59.5%
DemocraticSaal A. George Jr.	Democratic	33,74440.5%	40.5%

Votes for listed candidates: 78,805
Election day: November 7, 1972
District map: Older district map (1972 to 1981)

Illinois Senate District 45, 1970 to 2022, 1972, every candidate
Candidate	Party	Votes and share	Share
RepublicanRoger A. SommerWon	Republican	39,66350.3%	50.3%
DemocraticRichard Luft	Democratic	39,14249.7%	49.7%

Votes for listed candidates: 48,471
Election day: November 3, 1970
District map: Older district map (1966 to 1971)

Illinois Senate District 45, 1970 to 2022, 1970, every candidate
Candidate	Party	Votes and share	Share
RepublicanRalph Hudson SoursWon(incumbent)	Republican	27,87357.5%	57.5%
DemocraticDaniel W. Hardy	Democratic	20,59842.5%	42.5%

1970 to 2022: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), retrieved Oct 28, 2026. Compiled by Carl Klarner (Harvard Dataverse) from official returns; not an official source

Last contest in this district on file: 2022.

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Election Wrld. (2026). Illinois Senate District 45, election results 1970 to 2022. https://www.electionwrld.com/il/senate/45. Retrieved October 30, 2026.

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Sources

Sources: Census TIGERweb Legislative MapServer (120th CDs layer 0, 119th CDs layer 4, 2026 SLD upper layer 1 and lower layer 2) (US Census Bureau, public domain), retrieved Oct 28, 2026; Open Civic Data division identifiers (census_autogenerated us_sldl/us_sldu and openstates state files); also (sld-recent.json): Open Civic Data division identifiers (country-us) (CC0 (repository); also (sld-recent.json): CC0 1.0), retrieved Oct 28, 2026; Open States people (current) CSVs (CC0-1.0 (Open States people data)), retrieved Oct 28, 2026, compiled by Open States volunteers and staff (rosters from state legislature sites) from official returns, not an official source; State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse) (CC0 1.0), retrieved Oct 28, 2026, compiled by Carl Klarner (Harvard Dataverse) from official returns, not an official source.

District id: ocd-division/country:us/state:il/sldu:45

DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), DIME (ODC-BY)Data as of Oct 28, 2026