John Thune
RRepublicanSD · Senator
67
/ 100
Above Average
Attendance100
Avg: 97
Independence25
Avg: 23
Bipartisan Tone9
Avg: 13
Ethics Record100
Avg: 100
Transparency100
Avg: 45
Accountability Score — composite of attendance, independence, bipartisan tone, ethics record & transparency.
Methodology
John Thune
RepublicanSD · Senator
Voting Ideologyⓘ
Liberal
Conservative
Conservative (0.431)
John Thune is a Republican Senator from SD. He has served 29 years in Congress across 6 terms. Based on his voting record, he is rated as conservative, voting with his party 74.9% of the time.
29
Years in Office
6
Terms Served
118
Current Congress
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Report Card
Performance metrics for the current Congress
74.9%
Party Loyaltyⓘ
223 votes against party
0.1%
Missed Votesⓘ
890 total votes
32
Bills Sponsoredⓘ
1 enacted
View all →
How John Compares
vs. the average Senator
Party Loyalty-3.6% vs avg
74.9%
Avg: 78.5%
Missed Votes-2.8% vs avg
0.1%
Avg: 2.9%
Bills Sponsored-13.2 vs avg
32
Avg: 45.2
Committee Assignments
Committees shape which bills get heard. See what this member has influence over.
Campaign Finance
2026 cycle · through 2026-06-30
$17,713,892
Cash on Handⓘ
$4,141,900
Total Receiptsⓘ
$1,812,346
Disbursementsⓘ
$1,304,799
Individual Donors
$758,000
PAC Contributionsⓘ
$0
Self-Fundingⓘ
Service History
1997–2003House · SD-0 · Republican
2005–2029Senate · SD · RepublicanCurrent
State Demographics
SD · ACS 2023 estimates · These are the people this member represents.
899,194
Population
$72,421
Median Income
37.0
Median Age
31.1%
College Educated
Racial Composition
White 81.5%Black 2.2%Hispanic 4.6%Asian 1.4%