PolitiFinder

1966 Iowa U.S. House District 5 Election

Iowa · 3 candidates · See every 1966 U.S. House race

Who won the 1966 Iowa U.S. House District 5 Election?

Neal Smith won the 1966 Iowa U.S. House District 5 Election. Neal Smith received 72,875 popular votes (60.44%). The main challenger was Don Mahon (38.97%).

See the full head-to-head between Smith and Mahon

Smith +21.5 pts · won by 25,894 votes
Neal SmithDemocraticWINNER60.44%
72,875 votes
Don MahonRepublican38.97%
46,981 votes
Robbins Risheramerican constitution0.59%
712 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.