2026 Senate race

South Dakota Senate race

Campaign finance

Money in this race

Brian L Bengs (IND)
Raised
$1.9M
Cash on hand
$70K
Outside spending for
$0
Outside spending against
$0
Mike Rounds (REP)
Raised
$3.8M
Cash on hand
$1.3M
Outside spending for
$566K
Outside spending against
$0

Source: FEC filings. As of October 14, 2026

Outside spending is independent expenditures reported to the FEC and may not include recent filings.

Campaign finance

Fundraising vs past cycles

Fundraising history for this race is not available.

Campaign finance

Where the money comes from

Donor-state data for this race is not on file yet.

Polling

Latest public polls

No public poll on file for this race.

Polls are copied from each pollster's own release. TrackaVote does not average or rate polls.

ACS 2024 5-year

Census context

South Dakota

Total population: 907,428 (± not available)
Median age: 38.0 years (± 0.2)
Median household income: $75,081 (± $888)(in 2024 inflation-adjusted dollars)

Race and Hispanic or Latino origin

Hispanic or Latino4.8%
Not Hispanic or Latino: White alone79.8%
Not Hispanic or Latino: Black or African American alone2.1%
Not Hispanic or Latino: American Indian and Alaska Native alone7.1%
Not Hispanic or Latino: Asian alone1.4%
Not Hispanic or Latino: Native Hawaiian and Other Pacific Islander alone0.0%
Not Hispanic or Latino: Some other race alone0.3%
Not Hispanic or Latino: Two or more races4.4%

Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2024 (2020-2024), tables B01003, B01002, B03002, B19013.

ACS figures are estimates from a survey sample; ± values are margins of error at the 90% confidence level. Race/ethnicity shares are computed from published counts.