Incumbent Record119th Congress
John Thune
RepublicanSouth Dakota — U.S. Senate
In office since 2005 · 4th term · Class III, 6-year term · Next election 2028
Serving on: Agriculture, Nutrition, and Forestry, Subcommittee on Commodities, Derivatives, Risk Management, and Trade, Subcommittee on Conservation, Forestry, Natural Resources, and Biotechnology, Subcommittee on Livestock, Dairy, Poultry, and Food Safety, Commerce, Science, and Transportation, Subcommittee on Aviation, Space, and Innovation, Subcommittee on Telecommunications and Media, Subcommittee on Consumer Protection, Technology, and Data Privacy, Subcommittee on Surface Transportation, Freight, Pipelines, and Safety, Finance, Subcommittee on Health Care, Subcommittee on International Trade, Customs, and Global Competitiveness, Subcommittee on Taxation and IRS Oversight, Senate Select Committee on Intelligence
Serving on: Agriculture, Nutrition, and Forestry, Subcommittee on Commodities, Derivatives, Risk Management, and Trade, Subcommittee on Conservation, Forestry, Natural Resources, and Biotechnology, Subcommittee on Livestock, Dairy, Poultry, and Food Safety, Commerce, Science, and Transportation, Subcommittee on Aviation, Space, and Innovation, Subcommittee on Telecommunications and Media, Subcommittee on Consumer Protection, Technology, and Data Privacy, Subcommittee on Surface Transportation, Freight, Pipelines, and Safety, Finance, Subcommittee on Health Care, Subcommittee on International Trade, Customs, and Global Competitiveness, Subcommittee on Taxation and IRS Oversight, Senate Select Committee on Intelligence
Legislation Congress.gov
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Voting Senate.gov roll calls
Votes cast
0.1% missed · chamber median 2.2%
Votes with party majority
97.9%
Senate Republican median 99.1%
Campaign money FEC · 2025–26 cycle
Total raised this cycle
Small-donor share (<$200)
9.2%
PAC share
18.3%
Large-individual share
22.3%
In-state vs out-of-state
13.7% / 86.3%
Top sector: Unaffiliated / Non-employed
$455,862
$381,616
$135,555
Their office, your money USASpending.gov
South Dakota federal spending, FY 2026
Reserved — office spending (MRA) · staff count
Recent votes Rule-based selection
On Passage of the Bill · Passed · Sep 28, 2026 · Vote record →
On Passage of the Bill · Passed · Aug 8, 2026 · Vote record →
On Passage of the Bill · Passed · Aug 7, 2026 · Vote record →
Sources · Congress.gov · FEC · USASpending · Senate.gov
Votes as of Sep 30, 2026 · FEC as of Oct 10, 2026 · Spending: FY26
civdotiq.org/representative/T000250/record · Methodology · Report an error · Print
Votes as of Sep 30, 2026 · FEC as of Oct 10, 2026 · Spending: FY26
civdotiq.org/representative/T000250/record · Methodology · Report an error · Print