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2020 Maryland U.S. House District 1 Election

Maryland · 2 candidates · See every 2020 U.S. House race

Who won the 2020 Maryland U.S. House District 1 Election?

Andy Harris won the 2020 Maryland U.S. House District 1 Election. Andy Harris received 250,901 popular votes (63.44%). The main challenger was Mia Mason (36.38%).

See the full head-to-head between Harris and Mason

Harris +27.1 pts · won by 107,024 votes
Andy HarrisRepublicanWINNER63.44%
250,901 votes
Mia MasonDemocratic36.38%
143,877 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.