2006Final results
2006 election for South Dakota's at-large District
U.S. House · South Dakota
Stephanie Herseth (D) won with 69.1% of the vote, defeating Bruce W. Whalen (R) by 39.8 points.
Stephanie HersethDemocrat · winner
69.1%230,468
Bruce W. WhalenRepublican
29.3%97,864
Larry RudebuschLibertarian
1.6%5,230
333,562 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 2006
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.
No DemocratBruce W. Whalen
—
Raised by the campaign
$150.4K
—
Spent by the campaign
$148K
—
Cash on hand
$2.5K
Campaign money: FEC, through Dec 31, 2006.
Source: FEC campaign filingsUpdated Dec 31, 2006