1978Final results
1978 election for Pennsylvania's 21st District
U.S. House · Pennsylvania
Don Bailey (D) won with 52.9% of the vote, defeating Robert Miller (R) by 5.8 points.
Don BaileyDemocrat · winner
52.9%73,712
Robert MillerRepublican
47.1%65,622
139,334 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
The seat over time
D − R margin in this seat's races around 1978
Races before and after
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)