The 2016 Connecticut Senate election was held on November 8, 2016, concurrently with the elections for the Connecticut House of Representatives, to elect members to the Connecticut General Assembly. All 36 seats in the Connecticut Senate were up for election. The election resulted in a tie, with the parties controlling 18 seats each. Primary elections were held on August 9, 2016.

Results + ↓ 18 18 Democratic Republican Parties Candidates Seats Popular Vote 2014 2016 +/- Strength Vote % Change Democratic 35 21 18 3 50.00% 747,662 48.56% Republican 33 15 18 3 50.00% 713,635 46.35% Independent Party 1 0 0 0.00% 41,265 2.68% Working Families 0 0 0 0.00% 31,359 2.04% Green 4 0 0 0.00% 3,468 0.23% Other parties and Write-ins 5 0 0 0.00% 2,247 0.15% Total 78 36 36 0 100.00% 1,539,636 100.00% -

Composition Affiliation Party (Shading indicates majority caucus) Total Democratic Republican Vacant Before Election 21 15 36 0 After Election 18 18 36 0 Change 3 3

Predictions SourceRankingAs of Governing | October 12, 2016

Detailed results District 1 • District 2 • District 3 • District 4 • District 5 • District 6 • District 7 • District 8 • District 9 • District 10 • District 11 • District 12 • District 13 • District 14 • District 15 • District 16 • District 17 • District 18 • District 19 • District 20 • District 21 • District 22 • District 23 • District 24 • District 25 • District 26 • District 27 • District 28 • District 29 • District 30 • District 31 • District 32 • District 33 • District 34 • District 35 • District 36 __NOTOC__

District 1 Democratic incumbent John Fonfara was re-elected to an 11th term after defeating Republican candidate Barbara Ruhe and Green Party candidate Barbara Barry. Fonfara has represented the 1st District since 1997.

District 2 Democratic incumbent Eric Coleman was re-elected to a 12th term after defeating Republican candidate Theresa Tillett and write-in candidates Charles Jackson and Martha S. Kelly. Coleman was also nominated by the Working Families Party. He has represented the 2nd District since 1995.

District 3 Democratic incumbent Timothy Larson was re-elected to a second term after defeating Republican candidate Carolyn Mirek. Mirek was also nominated by the Independent Party. Larson had represented the 3rd District since 2015.

District 4 Incumbent Democratic state senator Steve Cassano was re-elected to a fourth term, defeating former Republican board of education and town council member of Glastonbury, Lorraine Marchetti. Cassano had also been nominated by the Working Families Party, while Marchetti was also nominated by the Independent Party of Connecticut. Cassano had represented the 4th State Senate district since 2011.

District 5 Incumbent Democratic state senator Beth Bye was re-elected to a fourth term, defeating Republican nominee Mark Merrit, who also had been nominated by the Independent Party of Connecticut. Bye had represented the 5th district since 2011.

District 6 Incumbent Democratic state senator Terry Gerratana was re-elected to a fourth term, defeating Republican nominee Charles Paonessa and petitioning candidate Sharon Beloin-Saavedra. Beloin-Saavedra was a nominee in the Democratic primary for this seat, losing to Gerratana, receiving only 33.1% of the primary vote. Gerratana was also nominated by the Working Families Party, and had represented the 6th district since 2011.

District 7 Incumbent Republican state senator John Kissel was re-elected to a twelfth full term, defeating former Democratic state representative Annie Hornish, who represented the 62nd district from 2009-2011. Kissel had also been nominated by the Independent Party of Connecticut, while Hornish was also nominated by the Working Families Party. Kissel had represented the 7th district since winning a special election in 1993.

District 8 Incumbent Republican state senator Kevin Witkos was re-elected to a fifth term, defeating Democratic nominee David Pena. Witkos was also nominated by the Independent Party of Connecticut, and had represented the 8th district since 2009.

District 9 Incumbent Democratic state senator Paul Doyle was re-elected to a sixth term, defeating Republican nominee Earle Roberts, who previously lost to Doyle in 2014. Doyle had represented the 9th district since 2007.

District 10 Incumbent Democratic state senator Gary Winfield was re-elected to a second full term. Winfield, who ran unopposed, was also nominated by the Working Families Party, and had represented the 10th district since a 2014 February special election.

District 11 Incumbent Democratic state senator and President pro tempore of the Connecticut Senate Martin Looney was re-elected to an eighteenth term. Looney has represented the 11th district since 1993.

District 12 Incumbent Democratic state senator Edward M. Kennedy Jr. was re-elected to a second term, defeating Republican Board of Education member Bruce Wilson Jr. of Madison. Kennedy had also been nominated by the Working Families Party, while Wilson was also nominated by the Independent Party of Connecticut. Kennedy has represented the 12th district since 2015.

District 13 Former Republican state senator Len Suzio defeated incumbent Democratic state senator Danté Bartolomeo as she ran for a third term. Suzio, also nominated by the Independent Party of Connecticut, previously represented the 13th district following a 2011 special election until he was defeated by Bartolomeo in 2012. Bartolmeo, also nominated by the Working Families Party, had defeated Suzio in a rematch in 2014.

District 14 Incumbent Democratic state senator Gayle Slossberg was re-elected to a seventh term, defeating Republican Board of Education member Pat Libero of West Haven. Slossberg, also nominated by the Independent Party of Connecticut, had represented the 14th district since 2005.

District 15 Incumbent Democratic state senator Joan Hartley was re-elected to a ninth term, defeating Independent Party of Connecticut nominee James Russell. Hartley had represented 15th since 2001.

District 16 Incumbent Republican state senator Joe Markley was re-elected to a fourth consecutive (fifth overall) term, defeating zoning board of appeals member Ryan Rogers of Southington. Markley had also was nominated by the Independent Party of Connecticut, while Rogers was also nominated by the Working Families Party. Markley had represented the 16th district from 1985-87, and since 2011.

District 17 Republican nominee George Logan defeated twelve-term incumbent Joe Crisco in his re-election bid for a thirteenth term. Crisco, having represented the 17th district since 1993, had also been nominated by the Working Families Party, while Logan was also nominated by the Independent Party of Connecticut.

District 18 Incumbent Democratic state senator Andrew M. Maynard retired after his fifth term representing the 18th district. Republican former Mayor of Groton and 2014 lieutenant governor nominee Heather Somers defeated former state representative Timothy Russell Bowles, of the 42nd district, to win her first term in the state senate. Somers had also been nominated by the Independent Party of Connecticut, while Bowles was also nominated by the Working Families Party.

District 19 Incumbent Democratic state senator Cathy Osten was re-elected to a third term, defeating Republican nominee Barbara Richardson Crouch. Osten had also been nominated by the Working Families Party, while Crouch also was nominated by the Independent Party of Connecticut. Osten had represented the 19th district since 2013.

District 20 Incumbent Republican state senator Paul Formica was re-elected to a second term, defeating Democratic nominee Ryan Henowitz. Formica had also been nominated by the Independent Party of Connecticut, while Henowitz was also nominated by the Working Families Party. Formica had represented the 20th district since 2015.

District 21 Incumbent Republican state senator Kevin C. Kelly was re-elected to a fourth term, defeating Democratic nominee Prez Palmer. Kelly, who previously defeated Palmer in 2014, had represented the 21st district since 2011.

District 22 Incumbent Democratic state senator Marilyn Moore was re-elected to a second term, defeating former state representative Elaine Hammers of the 123rd district. Moore had also been nominated by the Working Families Party, while Hammers, who served in the Connecticut House of Representatives from 1997-99, was also nominated by the Independent Party of Connecticut. Moore had represented the 22nd district since 2015.

District 23 Incumbent Democratic state senator Ed Gomes was elected to a full term, defeating Bridgeport Republican Party Chairman Mike Garrett. Gomes, who had also been nominated by the Working Families Party, previously represented the 23rd district from 2005-2013, before losing to Andres Ayala in the Democratic primary for the seat in 2012. Following Ayala's appointment as the director of Connecticut Department of Motor Vehicles, Gomes won the 2015 special election for the 23rd district as the nominee of the Working Families Party.

District 24 Incumbent Republican state senator Michael A. McLachlan was re-elected to a fifth term, defeating Democratic Kenneth Gucker. McLachlan had also been nominated by the Independent Party of Connecticut, while Gucker was also nominated by the Working Families Party. McLachlan had represented the 24th district since 2009.

District 25 Incumbent Democratic state senator and Majority Leader of the Connecticut State Senate Bob Duff was re-elected to a seventh term, defeating Republican nominee Gregory Ehlers, who had also been nominated by the Independent Party of Connecticut. Duff had represented the 25th district since 2005.

District 26 Incumbent Republican state senator Toni Boucher was re-elected to a fifth term, defeating Democratic nominee Carolanne Curry, who previously lost to Boucher in 2012. Boucher had represented the 26th district since 2009.

District 27 Incumbent Democratic state senator Carlo Leone was re-elected to a third full term, defeating Republican nominee Gino C. Bottino, who had also been nominated by the Independent Party of Connecticut, and Green Party nominee Cora Marie Santaguida. Leone had represented the 27th district since a 2011 February special election.

District 28 Incumbent Republican state senator Tony Hwang was re-elected to a second term, defeating Democratic Chairman of the Fairfield Board of Education, Philip Dwyer. Hwang had also been nominated by the Independent Party of Connecticut, while Dwyer was also nominated by the Working Families Party. Hwang had represented the 28th district since 2015.

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District 29 Incumbent Democratic state senator Mae Flexer was re-elected to a second term, defeating Republican nominee John French, who previously lost the 29th district state senate race against Flexer in 2014. Flexer had also been nominated by the Working Families Party, while French was also nominated by the Independent Party of Connecticut. Flexer had represented the 29th district since 2015.

District 30 Incumbent Republican state senator Clark Chapin retired after two terms representing the 30th. Republican state representative, from the 66th district, since 2009, Craig Miner, defeated Democratic and Working Families Party nominee David Lawson. Miner also had been nominated by the Independent Party of Connecticut.

District 31 Incumbent Republican state senator Henri Martin was re-elected to a second term, defeating Democratic former president of the Central Connecticut Chambers of Commerce Michael Nicastro. Martin, who had also been nominated by the Independent Party of Connecticut, had represented the 31st district since 2015.

District 32