R United States Senate · South Dakota On the 2026 ballot

Sen. Mike Rounds

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Compare

Session

Total votes

1,037

all sessions

Attendance

93%

71 missed

Higher than 94% of chamber peers

With party

92%

of cast votes

Near the chamber average

Bipartisan score

5%

crosses aisle rarely

Near the chamber average

Legislative network

Legislators build coalitions through co-sponsorship. These are the 10 lawmakers Sen. Rounds co-sponsors with most often: a window into their policy partnerships, their coalition within the caucus, and the rare cases where they reach across the aisle.

Top partners 10

Within party 10

Across aisle 0

Strongest tie Kevin Cramer

Closest allies

Ranked by bills co-sponsored together across all sessions.

Explore the full network

See Sen. Rounds's co-sponsorship relationships as an interactive graph. Filter by topic, session, or party to trace coalitions and identify the brokers between them.

View network graph