1980Final results
1980 election for U.S. Senate in Maryland
U.S. Senate · Maryland
Charles McC. Mathias Jr. (R) won with 66.2% of the vote, defeating Edward T. Conroy (D) by 32.3 points.
Charles McC. Mathias Jr.Republican · winner
66.2%850,970
Edward T. ConroyDemocrat
33.8%435,118
1,286,088 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 1980
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Edward T. ConroyCharles McC. Mathias Jr.
$160.6K
Raised by the campaign
$875K
$161.2K
Spent by the campaign
$848.5K
$0
Cash on hand
$0
Campaign money: FEC, through Dec 31, 1980.
Source: FEC campaign filingsUpdated Dec 31, 1980