PolitiFinder

1866 Iowa U.S. House District 4 Election

Iowa · 4 candidates · See every 1866 U.S. House race

Who won the 1866 Iowa U.S. House District 4 Election?

William Loughridge won the 1866 Iowa U.S. House District 4 Election. William Loughridge received 18,529 popular votes (59.84%). The main challenger was C H Mackey (40.03%).

See the full head-to-head between Loughridge and Mackey

Loughridge +19.8 pts · won by 6,134 votes
William LoughridgeRepublicanWINNER59.84%
18,529 votes
C H MackeyDemocratic40.03%
12,395 votes
D D Murphyunknown0.09%
28 votes
S H McCroryunknown0.04%
13 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.