Illinois State House District 12
Tue, Nov 3 · Represented by Margaret Croke Democratic · Member list as of Oct 28
Paul KendrickDemocraticJustin J. KumarRepublican
No published poll names both candidates.Last result · 2024 general (different candidates): Margaret Croke (D) 100.0
- Last election
- Margaret Croke (Democratic) was unopposed, 2024
- On the 2026 ballot
- 2 candidates
More about this race
Candidates on the ballot
Open seat
The current holder, Margaret Croke, is not on the candidate list.
- Paul KendrickDemocratic
- Justin J. KumarRepublican
Party nominees only, not the certified ballot.
Source: elections.il.gov, dated Oct 28
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- Republican
- Independent
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- More than one party
- No member listed
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History (29 elections for this seat)
- Votes for listed candidates
- 43,586
- Election day
- November 5, 2024
- District map
- Older district map (2022 to 2024)
Illinois House of Representatives District 12, 1968 to 2024, 2024, every candidate Candidate Party Votes and share Share DemocraticMargaret CrokeWon Democratic 43,586100.0% - Votes for listed candidates
- 39,067
- Election day
- November 8, 2022
- District map
- Older district map (2022)
Illinois House of Representatives District 12, 1968 to 2024, 2022, every candidate Candidate Party Votes and share Share DemocraticMargaret CrokeWon(incumbent) Democratic 31,33280.2% RepublicanGeorge Kemper Republican 7,73519.8% - Votes for listed candidates
- 52,483
- Election day
- November 3, 2020
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 12, 1968 to 2024, 2020, every candidate Candidate Party Votes and share Share DemocraticMargaret CrokeWon Democratic 52,483100.0% - Votes for listed candidates
- 46,346
- Election day
- November 6, 2018
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 12, 1968 to 2024, 2018, every candidate Candidate Party Votes and share Share DemocraticSara FeigenholtzWon(incumbent) Democratic 46,346100.0% - Votes for listed candidates
- 58,019
- Election day
- November 8, 2016
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 12, 1968 to 2024, 2016, every candidate Candidate Party Votes and share Share DemocraticSara FeigenholtzWon(incumbent) Democratic 43,85875.6% RepublicanGene Witt Republican 14,16124.4% - Votes for listed candidates
- 25,512
- Election day
- November 4, 2014
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 12, 1968 to 2024, 2014, every candidate Candidate Party Votes and share Share DemocraticSara FeigenholtzWon(incumbent) Democratic 25,512100.0% - Votes for listed candidates
- 40,414
- Election day
- November 6, 2012
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 12, 1968 to 2024, 2012, every candidate Candidate Party Votes and share Share DemocraticSara FeigenholtzWon(incumbent) Democratic 40,397100.0% Frank Rowder Write-in 170.0% - Votes for listed candidates
- 32,303
- Election day
- November 2, 2010
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 12, 1968 to 2024, 2010, every candidate Candidate Party Votes and share Share DemocraticSara FeigenholtzWon(incumbent) Democratic 22,27269.0% RepublicanDave Lenkowski Republican 10,03131.1% - Votes for listed candidates
- 45,602
- Election day
- November 4, 2008
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 12, 1968 to 2024, 2008, every candidate Candidate Party Votes and share Share DemocraticSara FeigenholtzWon(incumbent) Democratic 38,50284.4% GreenTim Quirk Green 7,10015.6% - Votes for listed candidates
- 29,273
- Election day
- November 7, 2006
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 12, 1968 to 2024, 2006, every candidate Candidate Party Votes and share Share DemocraticSara FeigenholtzWon(incumbent) Democratic 23,74981.1% RepublicanRichard A. Caner Republican 5,52418.9% - Votes for listed candidates
- 48,485
- Election day
- November 2, 2004
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 12, 1968 to 2024, 2004, every candidate Candidate Party Votes and share Share DemocraticSara FeigenholtzWon(incumbent) Democratic 36,67175.6% RepublicanMarieelana Leone Republican 11,81424.4% - Votes for listed candidates
- 30,241
- Election day
- November 5, 2002
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 12, 1968 to 2024, 2002, every candidate Candidate Party Votes and share Share DemocraticSara FeigenholtzWon(incumbent) Democratic 22,44874.2% RepublicanMichael G. Weiler Republican 7,79325.8% - Votes for listed candidates
- 42,376
- Election day
- November 7, 2000
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 12, 1968 to 2024, 2000, every candidate Candidate Party Votes and share Share DemocraticSara FeigenholtzWon(incumbent) Democratic 31,70674.8% RepublicanRobert Huntington Republican 10,67025.2% - Votes for listed candidates
- 19,978
- Election day
- November 3, 1998
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 12, 1968 to 2024, 1998, every candidate Candidate Party Votes and share Share DemocraticSara FeigenholtzWon(incumbent) Democratic 19,978100.0% - Votes for listed candidates
- 35,934
- Election day
- November 5, 1996
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 12, 1968 to 2024, 1996, every candidate Candidate Party Votes and share Share DemocraticSara FeigenholtzWon(incumbent) Democratic 27,65977.0% RepublicanBeret A. Olson Republican 8,27523.0% - Votes for listed candidates
- 22,264
- Election day
- November 8, 1994
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 12, 1968 to 2024, 1994, every candidate Candidate Party Votes and share Share DemocraticSara FeigenholtzWon Democratic 16,46774.0% RepublicanWilliam J. Enright Republican 5,79726.0% - Votes for listed candidates
- 43,908
- Election day
- November 3, 1992
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 12, 1968 to 2024, 1992, every candidate Candidate Party Votes and share Share DemocraticEllis B. LevinWon(incumbent) Democratic 30,42769.3% RepublicanTimothy E. Drake Republican 13,48130.7% - Votes for listed candidates
- 13,928
- Election day
- November 6, 1990
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 12, 1968 to 2024, 1990, every candidate Candidate Party Votes and share Share DemocraticAlfred G. RonanWon(incumbent) Democratic 13,928100.0% - Votes for listed candidates
- 24,981
- Election day
- November 8, 1988
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 12, 1968 to 2024, 1988, every candidate Candidate Party Votes and share Share DemocraticAlfred G. RonanWon(incumbent) Democratic 18,19772.8% RepublicanJacqueline Arendt Republican 6,78427.2% - Votes for listed candidates
- 19,349
- Election day
- November 4, 1986
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 12, 1968 to 2024, 1986, every candidate Candidate Party Votes and share Share DemocraticAlfred G. RonanWon(incumbent) Democratic 13,94572.1% RepublicanWarren W. Sikorski Republican 5,40427.9% - Votes for listed candidates
- 25,519
- Election day
- November 6, 1984
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 12, 1968 to 2024, 1984, every candidate Candidate Party Votes and share Share DemocraticAlfred G. RonanWon(incumbent) Democratic 16,36164.1% RepublicanJerry Phillips Republican 9,15835.9% - Votes for listed candidates
- 19,799
- Election day
- November 2, 1982
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 12, 1968 to 2024, 1982, every candidate Candidate Party Votes and share Share DemocraticAlfred G. RonanWon(incumbent) Democratic 19,798100.0% Scattered write-ins Write-in 10.0% - Votes for listed candidates
- 145,008
- Election day
- November 4, 1980
- Seats
- 3
- District map
- Older district map (1972 to 1981)
Illinois House of Representatives District 12, 1968 to 2024, 1980, every candidate Candidate Party Votes and share Share DemocraticEllis B. LevinWon Democratic 55,57438.3% DemocraticJohn CullertonWon(incumbent) Democratic 43,74430.2% RepublicanArthur A. TelcserWon(incumbent) Republican 27,43118.9% RepublicanJesse Perman Republican 18,25912.6% - Votes for listed candidates
- 108,635
- Election day
- November 7, 1978
- Seats
- 3
- District map
- Older district map (1972 to 1981)
Illinois House of Representatives District 12, 1968 to 2024, 1978, every candidate Candidate Party Votes and share Share DemocraticWilliam A. MarovitzWon(incumbent) Democratic 40,18837.0% DemocraticJohn CullertonWon Democratic 30,02727.6% RepublicanArthur A. TelcserWon(incumbent) Republican 23,76221.9% RepublicanPaul M. Powers Republican 14,65713.5% Scattered write-ins Write-in 10.0% - Votes for listed candidates
- 165,661
- Election day
- November 2, 1976
- Seats
- 3
- District map
- Older district map (1972 to 1981)
Illinois House of Representatives District 12, 1968 to 2024, 1976, every candidate Candidate Party Votes and share Share DemocraticWilliam A. MarovitzWon(incumbent) Democratic 60,54436.5% DemocraticEllis B. LevinWon Democratic 44,52726.9% RepublicanArthur A. TelcserWon(incumbent) Republican 35,07021.2% RepublicanPaul M. Powers Republican 25,51915.4% Scattered write-ins Write-in 10.0% - Votes for listed candidates
- 117,982
- Election day
- November 4, 1974
- Seats
- 3
- District map
- Older district map (1972 to 1981)
Illinois House of Representatives District 12, 1968 to 2024, 1974, every candidate Candidate Party Votes and share Share DemocraticWilliam A. MarovitzWon Democratic 43,22136.6% DemocraticJohn MerloWon(incumbent) Democratic 40,21834.1% RepublicanArthur A. TelcserWon(incumbent) Republican 22,18418.8% RepublicanPaul M. Powers Republican 12,35910.5% - Votes for listed candidates
- 190,623
- Election day
- November 7, 1972
- Seats
- 3
- District map
- Older district map (1972 to 1981)
Illinois House of Representatives District 12, 1968 to 2024, 1972, every candidate Candidate Party Votes and share Share DemocraticBruce L. DouglasWon(incumbent) Democratic 56,63529.7% DemocraticJohn MerloWon(incumbent) Democratic 53,19627.9% RepublicanArthur A. TelcserWon(incumbent) Republican 48,22425.3% RepublicanJames Y. Wagner Republican 32,56817.1% - Votes for listed candidates
- 120,424
- Election day
- November 3, 1970
- Seats
- 3
- District map
- Older district map (1966 to 1971)
Illinois House of Representatives District 12, 1968 to 2024, 1970, every candidate Candidate Party Votes and share Share RepublicanPaul J. RandolphWon(incumbent) Republican 41,00534.0% DemocraticIra ColitzWon Democratic 40,67533.8% DemocraticRobert L. ThompsonWon(incumbent) Democratic 38,74332.2% Scattered write-ins Write-in 10.0% - Votes for listed candidates
- 159,356
- Election day
- November 5, 1968
- Seats
- 3
- District map
- Older district map (1966 to 1971)
Illinois House of Representatives District 12, 1968 to 2024, 1968, every candidate Candidate Party Votes and share Share RepublicanPaul J. RandolphWon(incumbent) Republican 65,93741.4% DemocraticEdward W. WolbankWon(incumbent) Democratic 47,80830.0% DemocraticRobert L. ThompsonWon Democratic 45,61128.6%
- 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 12, election results 1968 to 2024. https://www.electionwrld.com/il/house/12. Retrieved October 31, 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:12
DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), MEDSL 2024 official precinct returnsData as of Oct 28, 2026