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U.S. Senate — South Dakota

The Race

5 candidates filed, 2 active for the 2026 Senate election in South Dakota. Party primary on Jun 2, 2026. General election on Nov 3, 2026. FEC Race ID: SSD002026.

Market (kalshi): R 100% · D 0%Rating: 270toWin · 2026-09-22
Primary
Jun 2, 2026
General
Nov 3, 2026
Candidates
2 active / 5 filed
Total Raised
$5.5M
Outside Spending
$1.3M
Total Spent
$4.4M
Cash on Hand
$2.8M
Incumbent
Mike RoundsR
Race Timeline
Primary
Today
General
Nominee
On ballot
Lost primary
Bars end at the milestone each candidate exited — exact withdrawal dates aren't published, so they're placed at the primary. Dashed segment = upcoming; solid stops at today. 1 candidate with no reported fundraising is hidden.
Candidate Fundraising
Mike RoundsRInc.
Raised
$4.5M
Cash
$2.7M
Brian L. BengsI
Raised
$782K
Cash
$51K
State
Population
907,428
Median HH Income
$75K
Unemployment
2.9%
Bachelor's+
31.9%
Veterans
7.9%
Median Age
38.0
Mean HH Income
$99K
Poverty Rate
11.9%
HS or Higher
93.2%
Median Home Value
$257K
Median Rent
$946/mo
Owner-Occupied
68.6%
Under 18 / 65+
24.2% / 18.0%