Illinois State House District 30
Tue, Nov 3 · Represented by Will Davis Democratic · Member list as of Oct 28
Will DavisDemocratic · Incumbent24 years since first win
One candidate on the printed ballot.
- Last election
- Will Davis (Democratic) won by 56.4 points, 2024
- On the 2026 ballot
- 1 candidate
More about this race
Candidates on the ballot
Uncontested
One candidate on the printed ballot.
- Will DavisIncumbentDemocratic
Party nominees only, not the certified ballot.
Source: elections.il.gov, dated Oct 28
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History (29 elections for this seat)
- Votes for listed candidates
- 41,539
- Election day
- November 5, 2024
- District map
- Older district map (2022 to 2024)
Illinois House of Representatives District 30, 1968 to 2024, 2024, every candidate Candidate Party Votes and share Share DemocraticWill DavisWonName as filed: William "Will" Davis Democratic 32,48178.2% RepublicanPatricia Bonk Republican 9,05821.8% - Votes for listed candidates
- 28,866
- Election day
- November 8, 2022
- District map
- Older district map (2022)
Illinois House of Representatives District 30, 1968 to 2024, 2022, every candidate Candidate Party Votes and share Share DemocraticWill DavisWon(incumbent)Name as filed: William Davis Democratic 23,12780.1% RepublicanPatricia Bonk Republican 5,73919.9% - Votes for listed candidates
- 33,359
- Election day
- November 3, 2020
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 30, 1968 to 2024, 2020, every candidate Candidate Party Votes and share Share DemocraticWill DavisWon(incumbent)Name as filed: William Davis Democratic 33,359100.0% - Votes for listed candidates
- 25,787
- Election day
- November 6, 2018
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 30, 1968 to 2024, 2018, every candidate Candidate Party Votes and share Share DemocraticWill DavisWon(incumbent)Name as filed: William Davis Democratic 25,787100.0% - Votes for listed candidates
- 34,641
- Election day
- November 8, 2016
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 30, 1968 to 2024, 2016, every candidate Candidate Party Votes and share Share DemocraticWill DavisWon(incumbent)Name as filed: William Davis Democratic 34,641100.0% - Votes for listed candidates
- 21,157
- Election day
- November 4, 2014
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 30, 1968 to 2024, 2014, every candidate Candidate Party Votes and share Share DemocraticWilliam DavisWon(incumbent) Democratic 21,157100.0% - Votes for listed candidates
- 32,246
- Election day
- November 6, 2012
- District map
- Older district map (2012 to 2021)
Illinois House of Representatives District 30, 1968 to 2024, 2012, every candidate Candidate Party Votes and share Share DemocraticWilliam DavisWon(incumbent) Democratic 32,246100.0% - Votes for listed candidates
- 22,697
- Election day
- November 2, 2010
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 30, 1968 to 2024, 2010, every candidate Candidate Party Votes and share Share DemocraticWilliam DavisWon(incumbent) Democratic 22,54699.3% Keith Price Write-in 1510.7% - Votes for listed candidates
- 31,811
- Election day
- November 4, 2008
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 30, 1968 to 2024, 2008, every candidate Candidate Party Votes and share Share DemocraticWilliam DavisWon(incumbent) Democratic 31,811100.0% - Votes for listed candidates
- 20,001
- Election day
- November 7, 2006
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 30, 1968 to 2024, 2006, every candidate Candidate Party Votes and share Share DemocraticWilliam DavisWon(incumbent) Democratic 20,001100.0% - Votes for listed candidates
- 31,686
- Election day
- November 2, 2004
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 30, 1968 to 2024, 2004, every candidate Candidate Party Votes and share Share DemocraticWilliam DavisWon(incumbent) Democratic 31,686100.0% - Votes for listed candidates
- 24,407
- Election day
- November 5, 2002
- District map
- Older district map (2002 to 2011)
Illinois House of Representatives District 30, 1968 to 2024, 2002, every candidate Candidate Party Votes and share Share DemocraticWilliam DavisWon Democratic 19,41979.6% RepublicanWillie Jordan Jr. Republican 4,98820.4% - Votes for listed candidates
- 29,532
- Election day
- November 7, 2000
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 30, 1968 to 2024, 2000, every candidate Candidate Party Votes and share Share DemocraticHarold MurphyWon(incumbent) Democratic 26,08588.3% RepublicanWillie Jordan Jr. Republican 3,44711.7% - Votes for listed candidates
- 17,200
- Election day
- November 3, 1998
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 30, 1968 to 2024, 1998, every candidate Candidate Party Votes and share Share DemocraticHarold MurphyWon(incumbent) Democratic 17,200100.0% - Votes for listed candidates
- 25,649
- Election day
- November 5, 1996
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 30, 1968 to 2024, 1996, every candidate Candidate Party Votes and share Share DemocraticHarold MurphyWon(incumbent) Democratic 25,649100.0% - Votes for listed candidates
- 13,441
- Election day
- November 8, 1994
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 30, 1968 to 2024, 1994, every candidate Candidate Party Votes and share Share DemocraticHarold MurphyWon(incumbent) Democratic 13,441100.0% - Votes for listed candidates
- 32,345
- Election day
- November 3, 1992
- District map
- Older district map (1992 to 2001)
Illinois House of Representatives District 30, 1968 to 2024, 1992, every candidate Candidate Party Votes and share Share DemocraticHarold MurphyWon Democratic 27,15283.9% RepublicanJulius E. Ware Republican 5,19316.1% - Votes for listed candidates
- 32,530
- Election day
- November 6, 1990
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 30, 1968 to 2024, 1990, every candidate Candidate Party Votes and share Share DemocraticMichael MadiganWon(incumbent) Democratic 24,72176.0% RepublicanShirley A. Kaczanowski Republican 7,24522.3% OtherStanley J. Gruca Other 5641.7% - Votes for listed candidates
- 42,649
- Election day
- November 8, 1988
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 30, 1968 to 2024, 1988, every candidate Candidate Party Votes and share Share DemocraticMichael MadiganWon(incumbent) Democratic 28,44266.7% RepublicanEdmund F. Kucharski Republican 13,52431.7% OtherEdward Omalley Other 6831.6% - Votes for listed candidates
- 35,534
- Election day
- November 4, 1986
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 30, 1968 to 2024, 1986, every candidate Candidate Party Votes and share Share DemocraticMichael MadiganWon(incumbent) Democratic 27,95478.7% RepublicanStanley C. Sobrya Republican 7,58021.3% - Votes for listed candidates
- 41,024
- Election day
- November 6, 1984
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 30, 1968 to 2024, 1984, every candidate Candidate Party Votes and share Share DemocraticMichael MadiganWon(incumbent) Democratic 27,73967.6% RepublicanLeonard Kaczanowski Republican 13,28532.4% - Votes for listed candidates
- 38,219
- Election day
- November 2, 1982
- District map
- Older district map (1982 to 1991)
Illinois House of Representatives District 30, 1968 to 2024, 1982, every candidate Candidate Party Votes and share Share DemocraticMichael MadiganWon(incumbent) Democratic 29,39976.9% RepublicanLeonard Kaczanowski Republican 8,82023.1% - Votes for listed candidates
- 190,934
- Election day
- November 4, 1980
- Seats
- 3
- District map
- Older district map (1972 to 1981)
Illinois House of Representatives District 30, 1968 to 2024, 1980, every candidate Candidate Party Votes and share Share DemocraticFrank GiglioWon Democratic 76,52640.1% DemocraticMiriam BalanoffWon(incumbent) Democratic 72,35437.9% RepublicanPhilip W. CollinsWon(incumbent) Republican 28,24014.8% RepublicanCornelius Shanahan Republican 13,8117.2% Scattered write-ins Write-in 30.0% - Votes for listed candidates
- 142,301
- Election day
- November 7, 1978
- Seats
- 3
- District map
- Older district map (1972 to 1981)
Illinois House of Representatives District 30, 1968 to 2024, 1978, every candidate Candidate Party Votes and share Share DemocraticGlenn V. DawsonWon(incumbent) Democratic 47,65033.5% DemocraticMiriam BalanoffWon Democratic 34,25024.1% RepublicanPhilip W. CollinsWon(incumbent) Republican 27,55719.4% IndependentReginald V. Brown Independent 19,90514.0% RepublicanGlen John Alfred Republican 12,9379.1% Scattered write-ins Write-in 20.0% - Votes for listed candidates
- 192,470
- Election day
- November 2, 1976
- Seats
- 3
- District map
- Older district map (1972 to 1981)
Illinois House of Representatives District 30, 1968 to 2024, 1976, every candidate Candidate Party Votes and share Share DemocraticFrank GiglioWon(incumbent) Democratic 79,68141.4% DemocraticGlenn V. DawsonWon Democratic 63,64833.1% RepublicanPhilip W. CollinsWon(incumbent) Republican 30,14815.7% RepublicanElmer Stevenson Republican 18,9939.9% - Votes for listed candidates
- 104,082
- Election day
- November 4, 1974
- Seats
- 3
- District map
- Older district map (1972 to 1981)
Illinois House of Representatives District 30, 1968 to 2024, 1974, every candidate Candidate Party Votes and share Share DemocraticSamuel C. MaragosWon(incumbent) Democratic 40,71939.1% DemocraticFrank GiglioWon(incumbent) Democratic 39,43537.9% RepublicanPhilip W. CollinsWon(incumbent) Republican 15,16114.6% RepublicanCaleb A. Davis Republican 8,7678.4% - Votes for listed candidates
- 186,862
- Election day
- November 7, 1972
- Seats
- 3
- District map
- Older district map (1972 to 1981)
Illinois House of Representatives District 30, 1968 to 2024, 1972, every candidate Candidate Party Votes and share Share DemocraticSamuel C. MaragosWon(incumbent) Democratic 62,99733.7% DemocraticFrank GiglioWon Democratic 54,30929.1% RepublicanPhilip W. CollinsWon(incumbent) Republican 37,74820.2% RepublicanWilliam F. Scannell Republican 31,80817.0% - Votes for listed candidates
- 139,384
- Election day
- November 3, 1970
- Seats
- 3
- District map
- Older district map (1966 to 1971)
Illinois House of Representatives District 30, 1968 to 2024, 1970, every candidate Candidate Party Votes and share Share DemocraticHenry M. LenardWon(incumbent) Democratic 58,43541.9% DemocraticSamuel C. MaragosWon(incumbent) Democratic 48,39934.7% RepublicanPhilip W. CollinsWon(incumbent) Republican 32,55023.4% - Votes for listed candidates
- 194,728
- Election day
- November 5, 1968
- Seats
- 3
- District map
- Older district map (1966 to 1971)
Illinois House of Representatives District 30, 1968 to 2024, 1968, every candidate Candidate Party Votes and share Share DemocraticHenry M. LenardWon(incumbent) Democratic 68,12635.0% DemocraticSamuel C. MaragosWon Democratic 61,30631.5% RepublicanPhilip W. CollinsWon(incumbent) Republican 35,30918.1% RepublicanWalter Wasel Republican 29,98715.4%
- 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
- 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 30, election results 1968 to 2024. https://www.electionwrld.com/il/house/30. 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:30
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