2025Final resultsSpecial election
2025 special election for Connecticut Senate District 21
Connecticut State Senate · Connecticut
Jason Perillo (R) won with 53.5% of the vote, defeating Tony Afriyie (D) by 7.0 points.
Jason PerilloRepublican · winner
53.5%6,839
Tony AfriyieDemocrat
46.5%5,950
12,790 votes
Source: English WikipediaUpdated Oct 13, 2026, 8:26 AM ET
The seat over time
D − R margin in this seat's races around 2025
Races before and after
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)