Jackley Leads Gronli in South Dakota House Fundraising
Campaign reports through September 30 show Marty Jackley with a significant financial advantage over Nikki Gronli.
Updated on Oct. 16, 2026 in Philanthropy

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As of September 30, 2026, Marty Jackley has secured more campaign donations than Nikki Gronli in the race for South Dakota's open U.S. House seat. This reporting window highlights the financial standing of both candidates as the contest proceeds.
Why it matters
The seat remains a focus as Republicans are widely expected to retain control of South Dakota's U.S. House representation. The fundraising totals provide insight into the resources available to each candidate during this cycle.
Marty Jackley raised $1,716,969.35 and disbursed $551,850.08, while Nikki Gronli brought in $387,208.13 with expenditures of $294,065.48. These figures are drawn from federal campaign reports covering activity through September 30.
The players
Marty Jackley
He serves as the attorney general for South Dakota and is a candidate for the U.S. House.
Nikki Gronli
She previously served as the USDA rural development director for South Dakota.
Dusty Johnson
He is the incumbent U.S. Representative who recently concluded his campaign for governor.
The details
The vacancy in South Dakota's U.S. House seat followed the incumbent's decision to run for governor, leading to this competitive campaign period. Current officeholder Dusty Johnson also reported significant liquid assets, including $1,398,208.67 in his House committee and $677,494.35 in a state PAC as of mid-October.
Timeline
Republicans have held the South Dakota U.S. House seat since 2010.
Dusty Johnson won the U.S. House seat in 2018.
Dusty Johnson lost the primary election for governor on June 2, 2026.
Campaign fundraising and cash on hand reporting closed on September 30, 2026.
Dusty Johnson terminated his governor-candidate committee on October 12, 2026.
Market Landscape
The current fundraising environment reflects a broader trend of Republican dominance in South Dakota, mirroring the party's consistent hold on the seat since 2010. This financial positioning solidifies the Republican party's resource advantage in retaining the district.
Voters can expect increased campaign activity as candidates utilize these funds for advertising and outreach. This financial disparity may influence the intensity and frequency of campaign messaging reaching residents across the state.
The takeaway
Campaign finance filings provide a clear view of how political resources are being allocated in the final months of the race. Tracking these numbers allows voters to better understand the scale and reach of each candidate's platform.
Further reading
For more information on political giving, see South Dakota Philanthropy.
Source note: This article includes information reported by KELO-LAND TV.
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