PolitiFinder

1966 Connecticut U.S. House District 4 Election

Connecticut · 2 candidates · See every 1966 U.S. House race

Who won the 1966 Connecticut U.S. House District 4 Election?

Donald Irwin won the 1966 Connecticut U.S. House District 4 Election. Donald Irwin received 89,709 popular votes (50.93%). The main challenger was Abner W Sibal (49.01%).

See the full head-to-head between Irwin and Sibal

Irwin +1.9 pts · won by 3,372 votes
Donald IrwinDemocraticWINNER50.93%
89,709 votes
Abner W SibalRepublican49.01%
86,337 votes
Popular-vote totals for this U.S. House election come from the Constituency-Level Elections Archive (CLEA) and the official public record.

Data last verified July 28, 2026.