Illinois State House District 20
Tue, Nov 3 · Represented by Brad Stephens Republican · Member list as of Oct 28
One candidate on the printed ballot.
- Last election
- Brad Stephens (Republican) was unopposed, 2024
- Earlier results
- Brad Stephens (Republican) was unopposed, 2022Brad Stephens (Republican) won by 9.2 points, 2020, older linesAll 29 elections
Past results
- Votes for listed candidates
- 35,012
- Election day
- November 5, 2024
- District map
- Same as today
Illinois House of Representatives District 20, 1968 to 2024, 2024, every candidate Candidate Party Votes and share Share RepublicanBrad StephensWon Republican 35,012100.0% - Votes for listed candidates
- 24,146
- Election day
- November 8, 2022
- District map
- Same as today
Illinois House of Representatives District 20, 1968 to 2024, 2022, every candidate Candidate Party Votes and share Share RepublicanBrad StephensWon(incumbent) Republican 24,146100.0% - Votes for listed candidates
- 51,860
- Election day
- November 3, 2020
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 20, 1968 to 2024, 2020, every candidate Candidate Party Votes and share Share RepublicanBrad StephensWon Republican 28,31454.6% DemocraticMichelle Darbro Democratic 23,54645.4% - Votes for listed candidates
- 27,053
- Election day
- November 6, 2018
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 20, 1968 to 2024, 2018, every candidate Candidate Party Votes and share Share RepublicanMichael P. McAuliffeWon(incumbent) Republican 27,053100.0%
- 2024: MEDSL 2024 official precinct returns (individual_states zips), retrieved Oct 28, 2026. Compiled by MIT Election Data and Science Lab (MEDSL) from official returns; not an official source
- 1968 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: 2024.
All elections (29 for this seat)
- Votes for listed candidates
- 35,012
- Election day
- November 5, 2024
- District map
- Same as today
Illinois House of Representatives District 20, 1968 to 2024, 2024, every candidate Candidate Party Votes and share Share RepublicanBrad StephensWon Republican 35,012100.0% - Votes for listed candidates
- 24,146
- Election day
- November 8, 2022
- District map
- Same as today
Illinois House of Representatives District 20, 1968 to 2024, 2022, every candidate Candidate Party Votes and share Share RepublicanBrad StephensWon(incumbent) Republican 24,146100.0% - Votes for listed candidates
- 51,860
- Election day
- November 3, 2020
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 20, 1968 to 2024, 2020, every candidate Candidate Party Votes and share Share RepublicanBrad StephensWon Republican 28,31454.6% DemocraticMichelle Darbro Democratic 23,54645.4% - Votes for listed candidates
- 27,053
- Election day
- November 6, 2018
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 20, 1968 to 2024, 2018, every candidate Candidate Party Votes and share Share RepublicanMichael P. McAuliffeWon(incumbent) Republican 27,053100.0% - Votes for listed candidates
- 45,881
- Election day
- November 8, 2016
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 20, 1968 to 2024, 2016, every candidate Candidate Party Votes and share Share RepublicanMichael P. McAuliffeWon(incumbent) Republican 25,73956.1% DemocraticMerry Marwig Democratic 20,14243.9% - Votes for listed candidates
- 30,233
- Election day
- November 4, 2014
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 20, 1968 to 2024, 2014, every candidate Candidate Party Votes and share Share RepublicanMichael P. McAuliffeWon(incumbent) Republican 18,87962.5% DemocraticMo Khan Democratic 11,35437.5% - Votes for listed candidates
- 38,748
- Election day
- November 6, 2012
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 20, 1968 to 2024, 2012, every candidate Candidate Party Votes and share Share RepublicanMichael P. McAuliffeWon(incumbent) Republican 23,46260.5% DemocraticBruce Randazzo Democratic 15,28639.5% - Votes for listed candidates
- 23,210
- Election day
- November 2, 2010
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 20, 1968 to 2024, 2010, every candidate Candidate Party Votes and share Share RepublicanMichael P. McAuliffeWon(incumbent) Republican 23,210100.0% - Votes for listed candidates
- 40,340
- Election day
- November 4, 2008
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 20, 1968 to 2024, 2008, every candidate Candidate Party Votes and share Share RepublicanMichael P. McAuliffeWon(incumbent) Republican 23,96659.4% DemocraticMichael C. Marzullo Democratic 16,37440.6% - Votes for listed candidates
- 30,136
- Election day
- November 7, 2006
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 20, 1968 to 2024, 2006, every candidate Candidate Party Votes and share Share RepublicanMichael P. McAuliffeWon(incumbent) Republican 18,20660.4% DemocraticMark Dobrzycki Democratic 11,93039.6% - Votes for listed candidates
- 42,271
- Election day
- November 2, 2004
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 20, 1968 to 2024, 2004, every candidate Candidate Party Votes and share Share RepublicanMichael P. McAuliffeWon(incumbent) Republican 25,02259.2% DemocraticRalph C. Capparelli(incumbent) Democratic 17,24940.8% - Votes for listed candidates
- 35,229
- Election day
- November 5, 2002
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 20, 1968 to 2024, 2002, every candidate Candidate Party Votes and share Share RepublicanMichael P. McAuliffeWon(incumbent) Republican 18,90653.7% DemocraticRobert Bugielski(incumbent) Democratic 16,32346.3% - Votes for listed candidates
- 23,623
- Election day
- November 7, 2000
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 20, 1968 to 2024, 2000, every candidate Candidate Party Votes and share Share DemocraticRichard T. BradleyWon(incumbent) Democratic 18,38777.8% RepublicanJoseph Anthony Hornowski Republican 5,23622.2% - Votes for listed candidates
- 15,501
- Election day
- November 3, 1998
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 20, 1968 to 2024, 1998, every candidate Candidate Party Votes and share Share DemocraticRichard T. BradleyWon Democratic 11,36273.3% RepublicanJoseph Anthony Hornowski Republican 4,13926.7% - Votes for listed candidates
- 22,434
- Election day
- November 5, 1996
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 20, 1968 to 2024, 1996, every candidate Candidate Party Votes and share Share DemocraticJoseph S. Kotlarz Jr.Won(incumbent) Democratic 16,44773.3% RepublicanJoseph Anthony Hornowski Republican 5,98726.7% - Votes for listed candidates
- 16,330
- Election day
- November 8, 1994
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 20, 1968 to 2024, 1994, every candidate Candidate Party Votes and share Share DemocraticJoseph S. Kotlarz Jr.Won(incumbent) Democratic 10,77066.0% RepublicanJacqueline Arendt Republican 5,56034.0% - Votes for listed candidates
- 25,206
- Election day
- November 3, 1992
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 20, 1968 to 2024, 1992, every candidate Candidate Party Votes and share Share DemocraticJoseph S. Kotlarz Jr.Won Democratic 16,45365.3% RepublicanChester R. Hornowski Republican 8,75334.7% - Votes for listed candidates
- 6,622
- Election day
- November 6, 1990
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 20, 1968 to 2024, 1990, every candidate Candidate Party Votes and share Share DemocraticBen MartinezWon(incumbent) Democratic 6,622100.0% - Votes for listed candidates
- 13,006
- Election day
- November 8, 1988
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 20, 1968 to 2024, 1988, every candidate Candidate Party Votes and share Share DemocraticBen MartinezWon(incumbent) Democratic 10,82483.2% RepublicanFred L. Davila Republican 2,18216.8% - Votes for listed candidates
- 10,118
- Election day
- November 4, 1986
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 20, 1968 to 2024, 1986, every candidate Candidate Party Votes and share Share DemocraticBen MartinezWon Democratic 8,84487.4% RepublicanFernando Murillo Republican 1,27412.6% - Votes for listed candidates
- 13,186
- Election day
- November 6, 1984
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 20, 1968 to 2024, 1984, every candidate Candidate Party Votes and share Share DemocraticJuan M. SolizWon Democratic 13,186100.0% - Votes for listed candidates
- 14,649
- Election day
- November 2, 1982
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 20, 1968 to 2024, 1982, every candidate Candidate Party Votes and share Share DemocraticMarco DomicoWon(incumbent) Democratic 9,87967.4% OtherJuan M. Soliz Other 4,77032.6% - Votes for listed candidates
- 96,893
- Election day
- November 4, 1980
- Seats
- 3
- District map
- Older district map (1972 to 1981)
Illinois House of Representatives District 20, 1968 to 2024, 1980, every candidate Candidate Party Votes and share Share DemocraticMarco DomicoWon(incumbent) Democratic 43,84845.3% DemocraticDouglas Huff Jr.Won(incumbent) Democratic 41,36742.7% RepublicanRonald A. StearneyWon(incumbent) Republican 11,67812.1% - Votes for listed candidates
- 86,606
- Election day
- November 7, 1978
- Seats
- 3
- District map
- Older district map (1972 to 1981)
Illinois House of Representatives District 20, 1968 to 2024, 1978, every candidate Candidate Party Votes and share Share DemocraticDouglas Huff Jr.Won(incumbent) Democratic 39,31645.4% DemocraticMarco DomicoWon(incumbent) Democratic 39,23045.3% RepublicanRonald A. StearneyWon(incumbent) Republican 8,0609.3% - Votes for listed candidates
- 115,935
- Election day
- November 2, 1976
- Seats
- 3
- District map
- Older district map (1972 to 1981)
Illinois House of Representatives District 20, 1968 to 2024, 1976, every candidate Candidate Party Votes and share Share DemocraticMarco DomicoWon Democratic 51,19644.2% DemocraticDouglas Huff Jr.Won(incumbent) Democratic 48,04041.4% RepublicanRonald A. StearneyWon(incumbent) Republican 10,0918.7% RepublicanJohn S. Bozek Republican 6,6085.7% - Votes for listed candidates
- 86,283
- Election day
- November 4, 1974
- Seats
- 3
- District map
- Older district map (1972 to 1981)
Illinois House of Representatives District 20, 1968 to 2024, 1974, every candidate Candidate Party Votes and share Share DemocraticJohn A. Darco Jr.Won Democratic 37,23543.1% DemocraticDouglas Huff Jr.Won Democratic 34,26739.7% RepublicanRonald A. StearneyWon Republican 5,6276.5% RepublicanGeorge Marcantonio Republican 5,5116.4% IndependentPatrick M. Murphy Independent 3,6434.2% - Votes for listed candidates
- 118,613
- Election day
- November 7, 1972
- Seats
- 3
- District map
- Older district map (1972 to 1981)
Illinois House of Representatives District 20, 1968 to 2024, 1972, every candidate Candidate Party Votes and share Share DemocraticVictor A. ArrigoWon(incumbent) Democratic 49,81342.0% DemocraticRichard A. CarterWon(incumbent) Democratic 47,53840.1% RepublicanPeter C. GranataWon(incumbent) Republican 12,29410.4% RepublicanJoseph A. Doss Republican 8,9687.6% - Votes for listed candidates
- 92,217
- Election day
- November 3, 1970
- Seats
- 3
- District map
- Older district map (1966 to 1971)
Illinois House of Representatives District 20, 1968 to 2024, 1970, every candidate Candidate Party Votes and share Share DemocraticMatt RopaWon(incumbent) Democratic 41,01044.5% DemocraticVictor A. ArrigoWon(incumbent) Democratic 40,18443.6% RepublicanPeter C. GranataWon(incumbent) Republican 11,02311.9% - Votes for listed candidates
- 113,953
- Election day
- November 5, 1968
- Seats
- 3
- District map
- Older district map (1966 to 1971)
Illinois House of Representatives District 20, 1968 to 2024, 1968, every candidate Candidate Party Votes and share Share DemocraticMatt RopaWon(incumbent) Democratic 49,39543.4% DemocraticVictor A. ArrigoWon(incumbent) Democratic 46,96241.2% RepublicanPeter C. GranataWon(incumbent) Republican 17,59615.4%
- 2024: MEDSL 2024 official precinct returns (individual_states zips), retrieved Oct 28, 2026. Compiled by MIT Election Data and Science Lab (MEDSL) from official returns; not an official source
More about this race
Uncontested
One candidate on the printed ballot.
Party nominees only, not the certified ballot.
Source: elections.il.gov, dated Oct 28
District map
- Democratic
- Republican
- Independent
- Nonpartisan
- More than one party
- No member listed
Map settings
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Cite this page
Election Wrld. (2026). Illinois State House District 20, election results 1968 to 2024. https://www.electionwrld.com/il/house/20. Retrieved October 31, 2026.
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<p style="font-size:13px">Data: <a href="https://www.electionwrld.com">Election Wrld</a>, CC BY 4.0</p>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; MEDSL 2024 official precinct returns (individual_states zips) (Not stated in the GitHub repository (an earlier label said "MIT (repo)", which the repository does not support). MEDSL's Harvard Dataverse records are CC0 1.0, but these GitHub files were not checksum-matched to the Dataverse files, so CC0 is not claimed for them.), retrieved Oct 28, 2026, compiled by MIT Election Data and Science Lab (MEDSL) 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.
DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), DIME (ODC-BY), MEDSL 2024 official precinct returnsData as of Oct 28, 2026