Electoral MeridianIndependent Election Research

Forecasts. Results. Evidence.

States · South Dakota

Sully County, South Dakota

2026 election results. Mike Rounds (R) got 81% of the U.S. Senate vote in Sully County.

2026 results in Sully County

U.S. Senate

Mike Rounds
80.8%575
Brian Bengs
19.2%137
100% counted

Statewide: Mike Rounds wins. Called.

Governor

Larry Rhoden
83.8%597
Dan Ahlers
16.2%115
100% counted

Statewide: Larry Rhoden wins. Called.

The leader in Sully County is only who has the most votes counted here. Races are won statewide or district-wide, and only the race pages report calls. Last vote update here Nov 3, 7:45 PM.

Compared with 2024

RaceMargin2024 presidentShift
SD GovernorR +67.7R +62.0R +5.7
SD-ALR +70.4——

Margins compare the Democrat and the Republican only. The 2024 column is the presidential margin in the same places as each race's votes here. Shift is this year's margin minus it, shown once at least 90% of the expected vote is counted. A dash means there's no 2024 figure for those exact places.

How Sully County has voted for president

YearDemocratShareRepublicanShareMarginVotes
2024Kamala Harris18.6%Donald Trump79.5%R +60.8901
2020Joe Biden19.9%Donald Trump78.1%R +58.2930
2016Hillary Clinton15.9%Donald Trump78.9%R +63.0861
2012Barack Obama22.7%Mitt Romney74.9%R +52.2818
2008Barack Obama28.3%John McCain70.6%R +42.3823
2004John Kerry21.9%George W. Bush76.6%R +54.6917
2000Al Gore24.0%George W. Bush72.7%R +48.7871

Shares are of all presidential votes, and the margin is the Democrat's share minus the Republican's. Since 2000, the presidential margin here has moved R +12.1.

Other counties in South Dakota

South Dakota results

Sources & scope

Votes for 2026 come from the count this site reads, by county. They're unofficial until South Dakota certifies them. Past presidential votes are from MEDSL and VEST, via Polling Forecast. South Dakota's own results, deadlines and offices are on the state page.