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1930 Colorado U.S. Senate Election

Colorado · 7 candidates · See every 1930 U.S. Senate race

Who won the 1930 Colorado U.S. Senate Election?

Edward P. Costigan won the 1930 Colorado U.S. Senate Election. Edward P. Costigan received 180,028 popular votes (55.85%). The main challenger was George H. Shaw (42.65%).

See the full head-to-head between Costigan and Shaw

Costigan +13.2 pts · won by 42,541 votes
Edward P. CostiganDemocraticWINNER55.85%
180,028 votes
George H. ShawRepublican42.65%
137,487 votes
Morton AlexanderSocialist0.54%
1,745 votes
H. H. MarraFarmer-Labor0.42%
1,367 votes
James AllanderCommunist0.29%
924 votes
Frank H. RiceLiberal0.14%
451 votes
August LuttekenCommonwealth0.11%
339 votes
Popular-vote totals for this U.S. Senate election come from the Constituency-Level Elections Archive (CLEA) and the official public record.

Data last verified July 28, 2026.