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.
2016 Connecticut State Senate election, District 1[4]
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.
2016 Connecticut State Senate election, District 2[4]
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 has represented the 3rd District since 2015.
2016 Connecticut State Senate election, District 3[4]