Current seat holder: Joan V. Hartley (D).
Joan Hartley is the incumbent Democratic / Independent Party member of the Connecticut State Senate representing District 15, running for re-election on the November 3, 2026 general election ballot. District 15 covers parts of New Haven County. Hartley earned her B.A. from Elms College and her M.A. from Trinity College. Her professional experience includes working as an educator.
Ruben Rodriguez District 15 covers parts of New Haven County. Rodriguez was a 2014 Republican candidate for District 72 of the Connecticut House of Representatives .