Illinois State House District 55
Tue, Nov 3 · Represented by Justin Cochran Democratic · Member list as of Oct 28
Justin CochranDemocratic · IncumbentJoseph JohnsonRepublican
No published poll names both candidates.The last winner we have no longer holds this seat, so that result isn't shown.
- Last election
- Martin J. Moylan (Democratic) was unopposed, 2024
- On the 2026 ballot
- 2 candidates
More about this race
Candidates on the ballot
- Justin CochranIncumbentDemocratic
- Joseph JohnsonRepublican
Party nominees only, not the certified ballot.
Source: elections.il.gov, dated Oct 28
All State House districts
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- Democratic
- Republican
- Independent
- Nonpartisan
- More than one party
- No member listed
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History (29 elections for this seat)
- Votes for listed candidates
- 28,768
- Election day
- November 5, 2024
- District map
- Older district map (2022 to 2024)
Illinois House of Representatives District 55, 1968 to 2024, 2024, every candidate Candidate Party Votes and share Share DemocraticMartin J. MoylanWon Democratic 28,768100.0% - Votes for listed candidates
- 29,758
- Election day
- November 8, 2022
- District map
- Older district map (2022)
Illinois House of Representatives District 55, 1968 to 2024, 2022, every candidate Candidate Party Votes and share Share DemocraticMartin J. MoylanWon(incumbent) Democratic 16,19554.4% RepublicanMichael M. Lupo Republican 13,56345.6% - Votes for listed candidates
- 43,770
- Election day
- November 3, 2020
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 55, 1968 to 2024, 2020, every candidate Candidate Party Votes and share Share DemocraticMartin J. MoylanWon(incumbent) Democratic 31,77072.6% OtherGlenn Olofson Other 12,00027.4% - Votes for listed candidates
- 36,757
- Election day
- November 6, 2018
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 55, 1968 to 2024, 2018, every candidate Candidate Party Votes and share Share DemocraticMartin J. MoylanWon(incumbent) Democratic 20,44955.6% RepublicanMarilyn Smolenski Republican 16,30844.4% - Votes for listed candidates
- 43,528
- Election day
- November 8, 2016
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 55, 1968 to 2024, 2016, every candidate Candidate Party Votes and share Share DemocraticMartin J. MoylanWon(incumbent) Democratic 25,71759.1% RepublicanDan Gott Republican 17,81140.9% - Votes for listed candidates
- 28,856
- Election day
- November 4, 2014
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 55, 1968 to 2024, 2014, every candidate Candidate Party Votes and share Share DemocraticMartin J. MoylanWon(incumbent) Democratic 15,20952.7% RepublicanMel Thillens Republican 13,64747.3% - Votes for listed candidates
- 40,032
- Election day
- November 6, 2012
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 55, 1968 to 2024, 2012, every candidate Candidate Party Votes and share Share DemocraticMartin J. MoylanWon Democratic 21,32153.3% RepublicanSusan Sweeney Republican 18,71146.7% - Votes for listed candidates
- 31,437
- Election day
- November 2, 2010
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 55, 1968 to 2024, 2010, every candidate Candidate Party Votes and share Share RepublicanHarry R. Ramey Jr.Won(incumbent) Republican 19,60462.4% DemocraticGregory C. Brownfield Democratic 11,83337.6% - Votes for listed candidates
- 45,545
- Election day
- November 4, 2008
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 55, 1968 to 2024, 2008, every candidate Candidate Party Votes and share Share RepublicanHarry R. Ramey Jr.Won(incumbent) Republican 24,20653.1% DemocraticBroc Montgomery Democratic 19,23142.2% GreenDaniel J. Kairis Green 2,1084.6% - Votes for listed candidates
- 22,180
- Election day
- November 7, 2006
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 55, 1968 to 2024, 2006, every candidate Candidate Party Votes and share Share RepublicanHarry R. Ramey Jr.Won Republican 22,180100.0% - Votes for listed candidates
- 34,308
- Election day
- November 2, 2004
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 55, 1968 to 2024, 2004, every candidate Candidate Party Votes and share Share RepublicanJohn J. MillnerWon(incumbent) Republican 34,308100.0% - Votes for listed candidates
- 27,301
- Election day
- November 5, 2002
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 55, 1968 to 2024, 2002, every candidate Candidate Party Votes and share Share RepublicanJohn J. MillnerWon Republican 18,83069.0% DemocraticStephen Bruesewitz Democratic 8,47131.0% - Votes for listed candidates
- 33,567
- Election day
- November 7, 2000
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 55, 1968 to 2024, 2000, every candidate Candidate Party Votes and share Share RepublicanRosemary MulliganWon(incumbent) Republican 17,44852.0% DemocraticMary Beth Tighe Democratic 16,11948.0% - Votes for listed candidates
- 24,367
- Election day
- November 3, 1998
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 55, 1968 to 2024, 1998, every candidate Candidate Party Votes and share Share RepublicanRosemary MulliganWon(incumbent) Republican 14,38059.0% DemocraticThomas P. Cahill Democratic 9,98741.0% - Votes for listed candidates
- 33,521
- Election day
- November 5, 1996
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 55, 1968 to 2024, 1996, every candidate Candidate Party Votes and share Share RepublicanRosemary MulliganWon(incumbent) Republican 18,98256.6% DemocraticThomas P. Cahill Democratic 14,53943.4% - Votes for listed candidates
- 19,672
- Election day
- November 8, 1994
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 55, 1968 to 2024, 1994, every candidate Candidate Party Votes and share Share RepublicanRosemary MulliganWon(incumbent) Republican 19,672100.0% - Votes for listed candidates
- 40,301
- Election day
- November 3, 1992
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 55, 1968 to 2024, 1992, every candidate Candidate Party Votes and share Share RepublicanRosemary MulliganWon Republican 25,85164.1% DemocraticRobert J. Cassidy Democratic 14,45035.9% - Votes for listed candidates
- 30,777
- Election day
- November 6, 1990
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 55, 1968 to 2024, 1990, every candidate Candidate Party Votes and share Share RepublicanPenny PullenWon(incumbent) Republican 17,29456.2% DemocraticRobert R. Mucci Democratic 13,48343.8% - Votes for listed candidates
- 43,007
- Election day
- November 8, 1988
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 55, 1968 to 2024, 1988, every candidate Candidate Party Votes and share Share RepublicanPenny PullenWon(incumbent) Republican 28,98867.4% DemocraticBonnie B. Lindquist Democratic 14,01932.6% - Votes for listed candidates
- 28,395
- Election day
- November 4, 1986
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 55, 1968 to 2024, 1986, every candidate Candidate Party Votes and share Share RepublicanPenny PullenWon(incumbent) Republican 21,43275.5% DemocraticDiana Burgess Sheffer Democratic 6,96324.5% - Votes for listed candidates
- 42,449
- Election day
- November 6, 1984
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 55, 1968 to 2024, 1984, every candidate Candidate Party Votes and share Share RepublicanPenny PullenWon(incumbent) Republican 30,95472.9% DemocraticDiana Burgess Sheffer Democratic 11,49427.1% Scattered write-ins Write-in 10.0% - Votes for listed candidates
- 32,293
- Election day
- November 2, 1982
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 55, 1968 to 2024, 1982, every candidate Candidate Party Votes and share Share RepublicanPenny PullenWon(incumbent) Republican 21,70367.2% DemocraticDiana Burgess Sheffer Democratic 10,59032.8% - Votes for listed candidates
- 263,715
- Election day
- November 4, 1980
- Seats
- 3
- District map
- Older district map (1972 to 1981)
Illinois House of Representatives District 55, 1968 to 2024, 1980, every candidate Candidate Party Votes and share Share RepublicanFrank WatsonWon(incumbent) Republican 83,52331.7% RepublicanDwight P. FriedrichWon(incumbent) Republican 69,75426.4% DemocraticMichael SlapeWon(incumbent) Democratic 60,02022.8% DemocraticHarold D. Byers Democratic 50,41819.1% - Votes for listed candidates
- 174,741
- Election day
- November 7, 1978
- Seats
- 3
- District map
- Older district map (1972 to 1981)
Illinois House of Representatives District 55, 1968 to 2024, 1978, every candidate Candidate Party Votes and share Share RepublicanDwight P. FriedrichWon(incumbent) Republican 49,89328.6% DemocraticMichael SlapeWon Democratic 45,27625.9% RepublicanFrank WatsonWon Republican 44,93925.7% DemocraticGary Garrison Democratic 34,63319.8% - Votes for listed candidates
- 241,804
- Election day
- November 2, 1976
- Seats
- 3
- District map
- Older district map (1972 to 1981)
Illinois House of Representatives District 55, 1968 to 2024, 1976, every candidate Candidate Party Votes and share Share DemocraticHarold D. ByersWon(incumbent) Democratic 66,45227.5% DemocraticDon E. BrummetWon(incumbent) Democratic 65,48627.1% RepublicanDwight P. FriedrichWon(incumbent) Republican 62,91026.0% RepublicanBen C. Harpstrite Republican 46,95619.4% - Votes for listed candidates
- 170,934
- Election day
- November 4, 1974
- Seats
- 3
- District map
- Older district map (1972 to 1981)
Illinois House of Representatives District 55, 1968 to 2024, 1974, every candidate Candidate Party Votes and share Share DemocraticDon E. BrummetWon(incumbent) Democratic 52,87430.9% DemocraticHarold D. ByersWon Democratic 46,90927.4% RepublicanDwight P. FriedrichWon Republican 37,24321.8% RepublicanBen C. Harpstrite(incumbent) Republican 33,90819.8% - Votes for listed candidates
- 239,490
- Election day
- November 7, 1972
- Seats
- 3
- District map
- Older district map (1972 to 1981)
Illinois House of Representatives District 55, 1968 to 2024, 1972, every candidate Candidate Party Votes and share Share DemocraticHarold D. StedelinWon(incumbent) Democratic 62,54226.1% RepublicanBen C. HarpstriteWon(incumbent) Republican 62,19926.0% DemocraticDon E. BrummetWon(incumbent) Democratic 62,14625.9% RepublicanMilton Mueller Republican 52,60322.0% - Votes for listed candidates
- 144,066
- Election day
- November 3, 1970
- Seats
- 3
- District map
- Older district map (1966 to 1971)
Illinois House of Representatives District 55, 1968 to 2024, 1970, every candidate Candidate Party Votes and share Share DemocraticHorace L. CalvoWon(incumbent) Democratic 49,94334.7% DemocraticLeland J. KennedyWon(incumbent) Democratic 49,61134.4% RepublicanRobert J. WaltersWon Republican 44,50330.9% Scattered write-ins Write-in 90.0% - Votes for listed candidates
- 197,687
- Election day
- November 5, 1968
- Seats
- 3
- District map
- Older district map (1966 to 1971)
Illinois House of Representatives District 55, 1968 to 2024, 1968, every candidate Candidate Party Votes and share Share RepublicanRalph T. SmithWon(incumbent) Republican 82,00641.5% DemocraticLeland J. KennedyWon(incumbent) Democratic 61,74131.2% DemocraticHorace L. CalvoWon Democratic 53,94027.3%
- 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.
Download and cite
Cite this page
Election Wrld. (2026). Illinois State House District 55, election results 1968 to 2024. https://www.electionwrld.com/il/house/55. 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; 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.
District id: ocd-division/country:us/state:il/sldl:55
DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), MEDSL 2024 official precinct returnsData as of Oct 28, 2026