PolitiFinder

1948 Illinois U.S. House District 21 Election

Illinois · 2 candidates · See every 1948 U.S. House race

Who won the 1948 Illinois U.S. House District 21 Election?

Peter Mack won the 1948 Illinois U.S. House District 21 Election. Peter Mack received 69,619 popular votes (53.12%). The main challenger was William H Moore (46.88%).

See the full head-to-head between Mack and Moore

Mack +6.2 pts · won by 8,167 votes
Peter MackDemocraticWINNER53.12%
69,619 votes
William H MooreRepublican46.88%
61,452 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.