PolitiFinder

1940 New Jersey U.S. Senate Election

New Jersey · 8 candidates · See every 1940 U.S. Senate race

Who won the 1940 New Jersey U.S. Senate Election?

William Warren Barbour won the 1940 New Jersey U.S. Senate Election. William Warren Barbour received 1,029,331 popular votes (55.11%). The main challenger was James H. Cromwell (44.11%).

See the full head-to-head between Barbour and Cromwell

Barbour +11.0 pts · won by 205,438 votes
William Warren BarbourRepublicanWINNER55.11%
1,029,331 votes
James H. CromwellDemocratic44.11%
823,893 votes
Macalister ColemanSocialist0.47%
8,836 votes
James A. TumultyIndependent0.15%
2,784 votes
Mary E. DoonerCommunist0.08%
1,519 votes
Edson R. LeachProhibition0.03%
645 votes
Harry SanthouseSocialist Labor0.02%
464 votes
George BreitmanSocialist Workers0.02%
303 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.