2026 South Dakota Senate Race

2026

Senate

Total Raised

$5.9M

Total Spent

$6.4M

Candidates

Candidate	Party	Status	Total Raised	Total Spent	Donors	Small $
Rounds, Mike	Republican	Incumbent	$3,810,748	$4,385,234	949	0.0%
Bengs, Brian	Independent	Challenger	$1,855,763	$1,786,055	1,206	0.0%
Beaudion, Julian C	Democratic

Outside Spending

Independent expenditures targeting candidates in this race

Spender	Target	Support/Oppose	Amount	# Expenditures
DEFEND AMERICAN JOBS	Rounds, Mike	Support	$411,748.47	2
SOUTH DAKOTA CONSERVATIVE PAC	Rounds, Mike	Support