Connecticut State Senate District 18
Tue, Nov 3 · Represented by Heather Somers Republican · Member list as of Oct 28
Joe de la CruzDemocraticHeather SomersRepublican · Incumbent10 years since first win
No published poll names both candidates.Last result · 2024 general: Heather Somers (R) 59.0, Andrew M. Parrella (D) 41.0
- Last election
- Heather Somers (Republican) won by 18.0 points, 2024
- On the 2026 ballot
- 2 candidates
Side by side
Left column: CruzRight column: Somers
- Donor-based spectrum
- LiberalCentristConservativeSomersNo published score for Cruz
- Races
- None listed
- Won 5 of 5
- Years since first win
- Not available
- 10
How these are counted
The spectrum is a published research score, not our rating. How this works. Wins and losses count the races in our results files, the same as each profile.
More about this race
Candidates on the ballot
- Joe de la CruzDemocratic
- Heather SomersIncumbentRepublican(Republican, Independent Party)
Source: portal.ct.gov, dated Oct 28
All State Senate districts
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- Democratic
- Republican
- Independent
- Nonpartisan
- More than one party
- No member listed
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Official results for Connecticut
History (29 elections for this seat)
- Votes for listed candidates
- 49,341
- Election day
- November 5, 2024
- District map
- Older district map (2022 to 2024)
Connecticut Senate District 18, 1968 to 2024, 2024, every candidate Candidate Party Votes and share Share RepublicanHeather SomersWon Republican 29,12459.0% DemocraticAndrew M. Parrella Democratic 20,21741.0% - Votes for listed candidates
- 37,164
- Election day
- November 8, 2022
- District map
- Older district map (2022)
Connecticut Senate District 18, 1968 to 2024, 2022, every candidate Candidate Party Votes and share Share RepublicanHeather SomersWon(incumbent) Republican 20,91556.3% DemocraticFarouk Rajab Democratic 16,24943.7% - Votes for listed candidates
- 50,319
- Election day
- November 3, 2020
- District map
- Older district map (2012 to 2021)
Connecticut Senate District 18, 1968 to 2024, 2020, every candidate Candidate Party Votes and share Share RepublicanHeather SomersWon(incumbent) Republican 26,37752.4% DemocraticBob Statchen Democratic 23,94247.6% - Votes for listed candidates
- 38,163
- Election day
- November 6, 2018
- District map
- Older district map (2012 to 2021)
Connecticut Senate District 18, 1968 to 2024, 2018, every candidate Candidate Party Votes and share Share RepublicanHeather SomersWon(incumbent) Republican 20,88754.7% DemocraticRobert R. Statchen Democratic 17,27645.3% - Votes for listed candidates
- 43,242
- Election day
- November 8, 2016
- District map
- Older district map (2012 to 2021)
Connecticut Senate District 18, 1968 to 2024, 2016, every candidate Candidate Party Votes and share Share RepublicanHeather SomersWon Republican 24,79557.3% DemocraticTim Bowles Democratic 18,44742.7% - Votes for listed candidates
- 28,663
- Election day
- November 4, 2014
- District map
- Older district map (2012 to 2021)
Connecticut Senate District 18, 1968 to 2024, 2014, every candidate Candidate Party Votes and share Share DemocraticAndrew MaynardWon(incumbent) Democratic 16,79058.6% RepublicanKevin G. Trejo Republican 11,87341.4% - Votes for listed candidates
- 38,433
- Election day
- November 6, 2012
- District map
- Older district map (2012 to 2021)
Connecticut Senate District 18, 1968 to 2024, 2012, every candidate Candidate Party Votes and share Share DemocraticAndrew MaynardWon(incumbent) Democratic 23,38060.8% RepublicanTheresa Madonna Republican 15,05339.2% - Votes for listed candidates
- 30,098
- Election day
- November 2, 2010
- District map
- Older district map (2002 to 2011)
Connecticut Senate District 18, 1968 to 2024, 2010, every candidate Candidate Party Votes and share Share DemocraticAndrew M. MaynardWon(incumbent) Democratic 17,97259.7% RepublicanStuart R. Norman Jr. Republican 12,12640.3% - Votes for listed candidates
- 40,578
- Election day
- November 4, 2008
- District map
- Older district map (2002 to 2011)
Connecticut Senate District 18, 1968 to 2024, 2008, every candidate Candidate Party Votes and share Share DemocraticAndrew M. MaynardWon(incumbent) Democratic 27,38967.5% RepublicanAnne P. Hatfield Republican 13,18932.5% - Votes for listed candidates
- 29,382
- Election day
- November 7, 2006
- District map
- Older district map (2002 to 2011)
Connecticut Senate District 18, 1968 to 2024, 2006, every candidate Candidate Party Votes and share Share DemocraticAndrew MaynardWon Democratic 15,10751.4% RepublicanLenny T. Winkler Republican 14,27548.6% - Votes for listed candidates
- 38,667
- Election day
- November 2, 2004
- District map
- Older district map (2002 to 2011)
Connecticut Senate District 18, 1968 to 2024, 2004, every candidate Candidate Party Votes and share Share RepublicanCathy Welles CookWon(incumbent) Republican 21,06454.5% DemocraticAndrew Maynard Democratic 17,60345.5% - Votes for listed candidates
- 26,995
- Election day
- November 5, 2002
- District map
- Older district map (2002 to 2011)
Connecticut Senate District 18, 1968 to 2024, 2002, every candidate Candidate Party Votes and share Share RepublicanCathy Welles CookWon(incumbent) Republican 15,65358.0% DemocraticMichael J. Kindle Democratic 9,85536.5% GreenPenny L. Teal Green 1,4875.5% - Votes for listed candidates
- 31,972
- Election day
- November 7, 2000
- District map
- Older district map (1992 to 2001)
Connecticut Senate District 18, 1968 to 2024, 2000, every candidate Candidate Party Votes and share Share RepublicanCathy Welles CookWon(incumbent) Republican 20,05962.7% DemocraticDonald R. Maranell Democratic 10,41432.6% OtherTimothy R. Bowles Other 1,4994.7% - Votes for listed candidates
- 22,146
- Election day
- November 3, 1998
- District map
- Older district map (1992 to 2001)
Connecticut Senate District 18, 1968 to 2024, 1998, every candidate Candidate Party Votes and share Share RepublicanCathy Welles CookWon(incumbent) Republican 13,55661.2% DemocraticRita Schmidt Democratic 8,59038.8% - Votes for listed candidates
- 30,699
- Election day
- November 5, 1996
- District map
- Older district map (1992 to 2001)
Connecticut Senate District 18, 1968 to 2024, 1996, every candidate Candidate Party Votes and share Share RepublicanCathy Welles CookWon(incumbent) Republican 17,64957.5% DemocraticJeff Slate Democratic 13,05042.5% - Votes for listed candidates
- 25,429
- Election day
- November 8, 1994
- District map
- Older district map (1992 to 2001)
Connecticut Senate District 18, 1968 to 2024, 1994, every candidate Candidate Party Votes and share Share RepublicanCathy Welles CookWon(incumbent) Republican 17,75169.8% DemocraticThomas N. McAvoy Jr. Democratic 7,67830.2% - Votes for listed candidates
- 33,636
- Election day
- November 3, 1992
- District map
- Older district map (1992 to 2001)
Connecticut Senate District 18, 1968 to 2024, 1992, every candidate Candidate Party Votes and share Share RepublicanCathy Welles CookWon Republican 17,71252.7% DemocraticThomas G. Moukawsher Democratic 15,92447.3% - Votes for listed candidates
- 24,786
- Election day
- November 6, 1990
- District map
- Older district map (1982 to 1991)
Connecticut Senate District 18, 1968 to 2024, 1990, every candidate Candidate Party Votes and share Share DemocraticSteven SpellmanWon(incumbent) Democratic 12,90152.0% RepublicanCathy Welles Cook Republican 11,88548.0% - Votes for listed candidates
- 32,222
- Election day
- November 8, 1988
- District map
- Older district map (1982 to 1991)
Connecticut Senate District 18, 1968 to 2024, 1988, every candidate Candidate Party Votes and share Share DemocraticSteven SpellmanWon(incumbent) Democratic 18,65957.9% RepublicanDonald Schoolcraft Republican 13,56342.1% - Votes for listed candidates
- 22,496
- Election day
- November 4, 1986
- District map
- Older district map (1982 to 1991)
Connecticut Senate District 18, 1968 to 2024, 1986, every candidate Candidate Party Votes and share Share DemocraticSteven SpellmanWon Democratic 12,07653.7% RepublicanDonald Schoolcraft(incumbent) Republican 10,42046.3% - Votes for listed candidates
- 33,760
- Election day
- November 6, 1984
- District map
- Older district map (1982 to 1991)
Connecticut Senate District 18, 1968 to 2024, 1984, every candidate Candidate Party Votes and share Share RepublicanDonald SchoolcraftWon Republican 19,33357.3% DemocraticTimothy D. Bates Democratic 14,42742.7% - Votes for listed candidates
- 24,002
- Election day
- November 2, 1982
- District map
- Older district map (1982 to 1991)
Connecticut Senate District 18, 1968 to 2024, 1982, every candidate Candidate Party Votes and share Share DemocraticMary A. MartinWon(incumbent) Democratic 13,02654.3% RepublicanVictor T. Boatwright Republican 10,97645.7% - Votes for listed candidates
- 30,667
- Election day
- November 4, 1980
- District map
- Older district map (1972 to 1981)
Connecticut Senate District 18, 1968 to 2024, 1980, every candidate Candidate Party Votes and share Share DemocraticMary A. MartinWon(incumbent) Democratic 18,05058.9% RepublicanCarl V. Stockwell Republican 12,61741.1% - Votes for listed candidates
- 21,044
- Election day
- November 7, 1978
- District map
- Older district map (1972 to 1981)
Connecticut Senate District 18, 1968 to 2024, 1978, every candidate Candidate Party Votes and share Share DemocraticMary A. MartinWon(incumbent) Democratic 12,35858.7% RepublicanBetty J. Chapman Republican 8,68641.3% - Votes for listed candidates
- 29,291
- Election day
- November 2, 1976
- District map
- Older district map (1972 to 1981)
Connecticut Senate District 18, 1968 to 2024, 1976, every candidate Candidate Party Votes and share Share DemocraticMary A. MartinWon(incumbent) Democratic 14,70350.2% RepublicanBarbara E. Brown Republican 14,58849.8% - Votes for listed candidates
- 21,594
- Election day
- November 4, 1974
- District map
- Older district map (1972 to 1981)
Connecticut Senate District 18, 1968 to 2024, 1974, every candidate Candidate Party Votes and share Share DemocraticMary A. MartinWon Democratic 11,66154.0% RepublicanJames H. McGill Republican 9,93346.0% - Votes for listed candidates
- 28,316
- Election day
- November 7, 1972
- District map
- Older district map (1972 to 1981)
Connecticut Senate District 18, 1968 to 2024, 1972, every candidate Candidate Party Votes and share Share RepublicanSamuel B. HellierWon Republican 18,27464.5% DemocraticCharles K. Crary Democratic 10,04235.5% - Votes for listed candidates
- 21,538
- Election day
- November 3, 1970
- District map
- Older district map (1966 to 1971)
Connecticut Senate District 18, 1968 to 2024, 1970, every candidate Candidate Party Votes and share Share RepublicanGeorge J. CraftsWon Republican 10,82750.3% DemocraticBirdsey G. Palmer(incumbent) Democratic 10,71149.7% - Votes for listed candidates
- 26,486
- Election day
- November 5, 1968
- District map
- Older district map (1966 to 1971)
Connecticut Senate District 18, 1968 to 2024, 1968, every candidate Candidate Party Votes and share Share DemocraticBirdsey G. PalmerWon(incumbent) Democratic 13,38350.5% RepublicanRobert C. Leuba Republican 13,10349.5%
- 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). Connecticut State Senate District 18, election results 1968 to 2024. https://www.electionwrld.com/ct/senate/18. 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:ct/sldu:18
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