Illinois State Senate District 11
Tue, Nov 3 · Represented by Mike Porfirio Democratic · Member list as of Oct 28
Mike PorfirioDemocratic · Incumbent4 years since first win
One candidate on the printed ballot.
- Last election
- Mike Porfirio (Democratic) won by 32.3 points, 2022
- Earlier results
- Martin A. Sandoval (Democratic) was unopposed, 2018, older linesMartin A. Sandoval (Democratic) was unopposed, 2016, older linesAll 18 elections
Past results
- Votes for listed candidates
- 44,558
- Election day
- November 8, 2022
- District map
- Same as today
Illinois Senate District 11, 1970 to 2022, 2022, every candidate Candidate Party Votes and share Share DemocraticMike PorfirioWon Democratic 29,48166.2% RepublicanThomas McGill Republican 15,07733.8% - Votes for listed candidates
- 58,618
- Election day
- November 3, 2020
- Type
- Special election
- District map
- Older district map (2012 to 2021)
Illinois Senate District 11, 1970 to 2022, 2020, every candidate Candidate Party Votes and share Share DemocraticCelina VillanuevaWon Democratic 46,70079.7% OtherMary Ellen Brown Other 11,91620.3% OtherRichard Mayers Other 20.0% - Votes for listed candidates
- 39,158
- Election day
- November 6, 2018
- District map
- Older district map (2012 to 2021)
Illinois Senate District 11, 1970 to 2022, 2018, every candidate Candidate Party Votes and share Share DemocraticMartin A. SandovalWon(incumbent) Democratic 39,158100.0% - Votes for listed candidates
- 49,632
- Election day
- November 8, 2016
- District map
- Older district map (2012 to 2021)
Illinois Senate District 11, 1970 to 2022, 2016, every candidate Candidate Party Votes and share Share DemocraticMartin A. SandovalWon(incumbent) Democratic 49,632100.0%
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.
All elections (18 for this seat)
- Votes for listed candidates
- 44,558
- Election day
- November 8, 2022
- District map
- Same as today
Illinois Senate District 11, 1970 to 2022, 2022, every candidate Candidate Party Votes and share Share DemocraticMike PorfirioWon Democratic 29,48166.2% RepublicanThomas McGill Republican 15,07733.8% - Votes for listed candidates
- 58,618
- Election day
- November 3, 2020
- Type
- Special election
- District map
- Older district map (2012 to 2021)
Illinois Senate District 11, 1970 to 2022, 2020, every candidate Candidate Party Votes and share Share DemocraticCelina VillanuevaWon Democratic 46,70079.7% OtherMary Ellen Brown Other 11,91620.3% OtherRichard Mayers Other 20.0% - Votes for listed candidates
- 39,158
- Election day
- November 6, 2018
- District map
- Older district map (2012 to 2021)
Illinois Senate District 11, 1970 to 2022, 2018, every candidate Candidate Party Votes and share Share DemocraticMartin A. SandovalWon(incumbent) Democratic 39,158100.0% - Votes for listed candidates
- 49,632
- Election day
- November 8, 2016
- District map
- Older district map (2012 to 2021)
Illinois Senate District 11, 1970 to 2022, 2016, every candidate Candidate Party Votes and share Share DemocraticMartin A. SandovalWon(incumbent) Democratic 49,632100.0% - Votes for listed candidates
- 40,309
- Election day
- November 6, 2012
- District map
- Older district map (2012 to 2021)
Illinois Senate District 11, 1970 to 2022, 2012, every candidate Candidate Party Votes and share Share DemocraticMartin A. SandovalWon(incumbent) Democratic 40,309100.0% - Votes for listed candidates
- 72,566
- Election day
- November 4, 2008
- District map
- Older district map (2002 to 2011)
Illinois Senate District 11, 1970 to 2022, 2008, every candidate Candidate Party Votes and share Share DemocraticLouis S. ViveritoWon(incumbent) Democratic 51,35370.8% RepublicanJeffrey Malinowski Republican 21,21329.2% - Votes for listed candidates
- 72,451
- Election day
- November 2, 2004
- District map
- Older district map (2002 to 2011)
Illinois Senate District 11, 1970 to 2022, 2004, every candidate Candidate Party Votes and share Share DemocraticLouis S. ViveritoWon(incumbent) Democratic 50,24969.4% RepublicanJeffrey P. Malinowski Republican 22,20230.6% - Votes for listed candidates
- 47,067
- Election day
- November 5, 2002
- District map
- Older district map (2002 to 2011)
Illinois Senate District 11, 1970 to 2022, 2002, every candidate Candidate Party Votes and share Share DemocraticLouis S. ViveritoWon(incumbent) Democratic 47,067100.0% - Votes for listed candidates
- 57,314
- Election day
- November 3, 1998
- District map
- Older district map (1992 to 2001)
Illinois Senate District 11, 1970 to 2022, 1998, every candidate Candidate Party Votes and share Share DemocraticLouis S. ViveritoWon(incumbent) Democratic 48,90185.3% RepublicanEmilio Cundari Republican 8,41314.7% - Votes for listed candidates
- 55,206
- Election day
- November 8, 1994
- District map
- Older district map (1992 to 2001)
Illinois Senate District 11, 1970 to 2022, 1994, every candidate Candidate Party Votes and share Share DemocraticLouis S. ViveritoWon Democratic 42,38276.8% RepublicanThomas C. Petrick Republican 12,82423.2% - Votes for listed candidates
- 84,417
- Election day
- November 3, 1992
- District map
- Older district map (1992 to 2001)
Illinois Senate District 11, 1970 to 2022, 1992, every candidate Candidate Party Votes and share Share DemocraticGary J. LapailleWon Democratic 63,18174.8% RepublicanRobert McNulty Republican 21,23625.2% - Votes for listed candidates
- 31,312
- Election day
- November 6, 1990
- District map
- Older district map (1982 to 1991)
Illinois Senate District 11, 1970 to 2022, 1990, every candidate Candidate Party Votes and share Share DemocraticJohn P. DaleyWon Democratic 31,312100.0% - Votes for listed candidates
- 43,314
- Election day
- November 4, 1986
- District map
- Older district map (1982 to 1991)
Illinois Senate District 11, 1970 to 2022, 1986, every candidate Candidate Party Votes and share Share DemocraticTimothy F. DegnanWon(incumbent) Democratic 34,19178.9% RepublicanClement J. Balonek Republican 9,12321.1% - Votes for listed candidates
- 57,831
- Election day
- November 2, 1982
- District map
- Older district map (1982 to 1991)
Illinois Senate District 11, 1970 to 2022, 1982, every candidate Candidate Party Votes and share Share DemocraticTimothy F. DegnanWon Democratic 49,09784.9% RepublicanGeorge Esch Republican 8,73415.1% - Votes for listed candidates
- 55,788
- Election day
- November 7, 1978
- District map
- Older district map (1972 to 1981)
Illinois Senate District 11, 1970 to 2022, 1978, every candidate Candidate Party Votes and share Share DemocraticArthur L. BermanWon(incumbent) Democratic 39,46070.7% RepublicanTimothy E. Drake Republican 16,32729.3% Scattered write-ins Write-in 10.0% - Votes for listed candidates
- 77,432
- Election day
- November 2, 1976
- District map
- Older district map (1972 to 1981)
Illinois Senate District 11, 1970 to 2022, 1976, every candidate Candidate Party Votes and share Share DemocraticArthur L. BermanWon Democratic 53,58169.2% RepublicanRobert S. Carter Republican 23,84030.8% Scattered write-ins Write-in 110.0% - Votes for listed candidates
- 91,625
- Election day
- November 7, 1972
- District map
- Older district map (1972 to 1981)
Illinois Senate District 11, 1970 to 2022, 1972, every candidate Candidate Party Votes and share Share DemocraticEsther SapersteinWon(incumbent) Democratic 60,68566.2% RepublicanSeymour L. Cohen Republican 30,93833.8% Scattered write-ins Write-in 20.0% - Votes for listed candidates
- 47,338
- Election day
- November 3, 1970
- District map
- Older district map (1966 to 1971)
Illinois Senate District 11, 1970 to 2022, 1970, every candidate Candidate Party Votes and share Share DemocraticRobert E. CherryWon(incumbent) Democratic 30,98765.5% RepublicanBruce B. Dumont Republican 16,35034.5% Scattered write-ins Write-in 10.0%
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
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- 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 Senate District 11, election results 1970 to 2022. https://www.electionwrld.com/il/senate/11. 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; 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)Data as of Oct 28, 2026