2004Final results
2004 election for Maryland's 3rd District
U.S. House · Maryland
Benjamin L. Cardin (D) won with 63.4% of the vote, defeating Robert P. Duckworth (R) by 29.6 points.
Benjamin L. CardinDemocrat · winner
63.4%182,066
Robert P. DuckworthRepublican
33.8%97,008
Patsy AllenGreen
2.8%7,895
286,969 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 2004
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.
Benjamin L. CardinRobert P. Duckworth
$941.4K
Raised by the campaign
$142.7K
$1M
Spent by the campaign
$141K
$155.5K
Cash on hand
$1.7K
Campaign money: FEC, through Dec 31, 2004.
Source: FEC campaign filingsUpdated Dec 31, 2004