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2018 Massachusetts U.S. House District 9 Election

Massachusetts · 2 candidates · See every 2018 U.S. House race

Who won the 2018 Massachusetts U.S. House District 9 Election?

William R. Keating won the 2018 Massachusetts U.S. House District 9 Election. William R. Keating received 192,347 popular votes (59.38%). The main challenger was Peter D. Tedeschi (40.58%).

See the full head-to-head between Keating and Tedeschi

Keating +18.8 pts · won by 60,884 votes
William R. KeatingDemocraticWINNER59.38%
192,347 votes
Peter D. TedeschiRepublican40.58%
131,463 votes
Popular-vote totals for U.S. House elections come from the MIT Election Data and Science Lab (1976–2024).

Data last verified July 28, 2026.