1998Final results
1998 election for U.S. Senate in Maryland
U.S. Senate · Maryland
Barbara A. Mikulski (D) won with 70.5% of the vote, defeating Ross Z. Pierpont (R) by 41.0 points.
Barbara A. MikulskiDemocrat · winner
70.5%1,062,810
Ross Z. PierpontRepublican
29.5%444,637
1,507,447 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 1998
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.
Barbara A. MikulskiRoss Z. Pierpont
$2.9M
Raised by the campaign
$297.8K
$3M
Spent by the campaign
$297.8K
$455.6K
Cash on hand
$0
Campaign money: FEC, through Dec 31, 1998; FEC, through Nov 30, 1998.
Source: FEC campaign filingsUpdated Dec 31, 1998