Illinois State Senate District 31
Next vote Tue, Nov 3, 2026 · Represented by Mary Edly-Allen Democratic · Member list as of Oct 28
This seat has no race on the official 2026 list.
- Last election
- Mary Edly-Allen (Democratic) won by 16.4 points, 2024
More about this seat
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- Democratic
- Republican
- Independent
- Nonpartisan
- More than one party
- No member listed
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History (18 elections for this seat)
- Votes for listed candidates
- 90,534
- Election day
- November 5, 2024
- District map
- Older district map (2022 to 2024)
Illinois Senate District 31, 1970 to 2024, 2024, every candidate Candidate Party Votes and share Share DemocraticMary Edly-AllenWon Democratic 52,65458.2% RepublicanAshley Jensen Republican 37,88041.8% - Votes for listed candidates
- 64,636
- Election day
- November 8, 2022
- District map
- Older district map (2022)
Illinois Senate District 31, 1970 to 2024, 2022, every candidate Candidate Party Votes and share Share DemocraticMary Edly-AllenWon Democratic 36,70256.8% RepublicanAdam A. Solano Republican 27,93443.2% - Votes for listed candidates
- 99,647
- Election day
- November 3, 2020
- District map
- Older district map (2012 to 2021)
Illinois Senate District 31, 1970 to 2024, 2020, every candidate Candidate Party Votes and share Share DemocraticMelinda BushWon(incumbent) Democratic 58,27458.5% RepublicanChristopher Kasperski Republican 41,37341.5% - Votes for listed candidates
- 89,347
- Election day
- November 8, 2016
- District map
- Older district map (2012 to 2021)
Illinois Senate District 31, 1970 to 2024, 2016, every candidate Candidate Party Votes and share Share DemocraticMelinda BushWon(incumbent) Democratic 48,30354.1% RepublicanMichael Amrozowicz Republican 41,04445.9% - Votes for listed candidates
- 82,823
- Election day
- November 6, 2012
- District map
- Older district map (2012 to 2021)
Illinois Senate District 31, 1970 to 2024, 2012, every candidate Candidate Party Votes and share Share DemocraticMelinda BushWon Democratic 42,54251.4% RepublicanJoe Neal Republican 40,28148.6% - Votes for listed candidates
- 64,158
- Election day
- November 2, 2010
- District map
- Older district map (2002 to 2011)
Illinois Senate District 31, 1970 to 2024, 2010, every candidate Candidate Party Votes and share Share RepublicanSuzi SchmidtWon Republican 34,30853.5% DemocraticMichael Bond(incumbent) Democratic 29,85046.5% - Votes for listed candidates
- 59,980
- Election day
- November 7, 2006
- District map
- Older district map (2002 to 2011)
Illinois Senate District 31, 1970 to 2024, 2006, every candidate Candidate Party Votes and share Share DemocraticMichael BondWon Democratic 30,54650.9% RepublicanSuzanne D. Simpson Republican 29,43449.1% - Votes for listed candidates
- 53,873
- Election day
- November 5, 2002
- District map
- Older district map (2002 to 2011)
Illinois Senate District 31, 1970 to 2024, 2002, every candidate Candidate Party Votes and share Share RepublicanAdeline Jay GeokarisWon(incumbent) Republican 37,17269.0% DemocraticGlenn Ryback Democratic 16,70131.0% - Votes for listed candidates
- 47,504
- Election day
- November 3, 1998
- District map
- Older district map (1992 to 2001)
Illinois Senate District 31, 1970 to 2024, 1998, every candidate Candidate Party Votes and share Share RepublicanAdeline Jay GeokarisWon(incumbent) Republican 47,504100.0% - Votes for listed candidates
- 57,067
- Election day
- November 5, 1996
- District map
- Older district map (1992 to 2001)
Illinois Senate District 31, 1970 to 2024, 1996, every candidate Candidate Party Votes and share Share RepublicanAdeline Jay GeokarisWon(incumbent) Republican 57,067100.0% - Votes for listed candidates
- 79,493
- Election day
- November 3, 1992
- District map
- Older district map (1992 to 2001)
Illinois Senate District 31, 1970 to 2024, 1992, every candidate Candidate Party Votes and share Share RepublicanAdeline Jay GeokarisWon(incumbent) Republican 53,23867.0% DemocraticJohn H. Gordon Democratic 21,98927.7% OtherBarbara Goodeaux Other 4,2665.4% - Votes for listed candidates
- 51,817
- Election day
- November 8, 1988
- District map
- Older district map (1982 to 1991)
Illinois Senate District 31, 1970 to 2024, 1988, every candidate Candidate Party Votes and share Share RepublicanAdeline Jay GeokarisWon(incumbent) Republican 34,43066.5% DemocraticBob Gesiakowski Democratic 17,38733.5% - Votes for listed candidates
- 55,047
- Election day
- November 6, 1984
- District map
- Older district map (1982 to 1991)
Illinois Senate District 31, 1970 to 2024, 1984, every candidate Candidate Party Votes and share Share RepublicanAdeline Jay GeokarisWon(incumbent) Republican 37,79268.7% DemocraticBob Gesiakowski Democratic 17,25531.4% - Votes for listed candidates
- 39,158
- Election day
- November 2, 1982
- District map
- Older district map (1982 to 1991)
Illinois Senate District 31, 1970 to 2024, 1982, every candidate Candidate Party Votes and share Share RepublicanAdeline Jay GeokarisWon(incumbent) Republican 25,73065.7% DemocraticWilliam Pitts Democratic 13,42734.3% Scattered write-ins Write-in 10.0% - Votes for listed candidates
- 39,514
- Election day
- November 7, 1978
- District map
- Older district map (1972 to 1981)
Illinois Senate District 31, 1970 to 2024, 1978, every candidate Candidate Party Votes and share Share RepublicanAdeline Jay GeokarisWon Republican 23,87560.4% DemocraticLary Leonard Democratic 15,63739.6% Scattered write-ins Write-in 20.0% - Votes for listed candidates
- 33,448
- Election day
- November 4, 1974
- District map
- Older district map (1972 to 1981)
Illinois Senate District 31, 1970 to 2024, 1974, every candidate Candidate Party Votes and share Share DemocraticBill MorrisWon Democratic 18,81856.3% RepublicanJohn H. Conolly(incumbent) Republican 14,63043.7% - Votes for listed candidates
- 54,661
- Election day
- November 7, 1972
- District map
- Older district map (1972 to 1981)
Illinois Senate District 31, 1970 to 2024, 1972, every candidate Candidate Party Votes and share Share RepublicanJohn H. ConollyWon Republican 31,07656.9% DemocraticRolland J. Sandee Democratic 23,58543.1% - Votes for listed candidates
- 48,558
- Election day
- November 3, 1970
- District map
- Older district map (1966 to 1971)
Illinois Senate District 31, 1970 to 2024, 1970, every candidate Candidate Party Votes and share Share RepublicanRobert CoulsonWon(incumbent) Republican 25,55552.6% DemocraticJeffrey R. Diver Democratic 23,00347.4%
- 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
- 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: 2024.
Download and cite
Cite this page
Election Wrld. (2026). Illinois State Senate District 31, election results 1970 to 2024. https://www.electionwrld.com/il/senate/31. Retrieved October 31, 2026.
Embed this seat
<iframe src="https://www.electionwrld.com/embed/il/senate/31" title="Illinois Senate District 31" width="100%" height="400" style="border:0;max-width:640px" loading="lazy"></iframe>
<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.
District id: ocd-division/country:us/state:il/sldu:31
DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), MEDSL 2024 official precinct returnsData as of Oct 28, 2026