PolitiFinder

1966 Massachusetts U.S. House District 5 Election

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

Who won the 1966 Massachusetts U.S. House District 5 Election?

Frank Morse won the 1966 Massachusetts U.S. House District 5 Election. Frank Morse received 140,702 popular votes (74.81%). The main challenger was Charles N Tsapatsaris (25.19%).

See the full head-to-head between Morse and Tsapatsaris

Morse +49.6 pts · won by 93,325 votes
Frank MorseRepublicanWINNER74.81%
140,702 votes
Charles N TsapatsarisDemocratic25.19%
47,377 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.