PolitiFinder

1964 Iowa U.S. House District 3 Election

Iowa · 2 candidates · See every 1964 U.S. House race

Who won the 1964 Iowa U.S. House District 3 Election?

Harold Gross won the 1964 Iowa U.S. House District 3 Election. Harold Gross received 83,455 popular votes (50.13%). The main challenger was Henry K Peterson (49.87%).

See the full head-to-head between Gross and Peterson

Gross +0.3 pts · won by 419 votes
Harold GrossRepublicanWINNER50.13%
83,455 votes
Henry K PetersonDemocratic49.87%
83,036 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.