Composite score - coming soon
Mike Rounds
U.S. Senator · South Dakota
- Republican
- Since 2015
- Tenure: 2–3 terms
Refreshed 17 h ago
As of 2026-10-19 · Methodology 2026.10.1Contact info
Capitol office
716 Hart Senate Office Building Washington DC 20510
202-224-5842
District offices
Aberdeen · Pierre · Rapid City · Sioux Falls
View all contact info
- Official website
- Biographical Directory of Congress
- GovTrack
- Capitol office: 716 Hart Senate Office Building Washington DC 20510 · 202-224-5842
- 221 Brown County Highway 19 S, Suite 112, Aberdeen, SD, 57401 · 605-225-0366
- 111 W. Capitol Ave., Suite 210, Pierre, SD, 57501 · 605-224-1450
- 603 Omaha St., Suite 100, Rapid City, SD, 57701 · 605-343-5035
- 320 N. Main Ave., Suite A, Sioux Falls, SD, 57104 · 605-336-0486
Evidence & sources
U.S. Senate roll-call votes
Votes and participation (senate.gov)
Congress.gov bill records
Sponsored and enacted bills
congress-legislators
Terms, committees, offices
Stale, last successful update 2026-10-23
View all sourcesExplore this record
Scorecard
Voting Record
73.2/ 100
Ranked 17 of 52 in the Senate majority
Voting Record
73.2/ 100
How this score is calculated:
Roll calls cast
907 of 911 while seated (99.6%)
85th percentile in cohort · 30 % weight
Substantive bills sponsored
61 of 62 sponsored · 70.9 points
68th percentile in cohort · 70 % weight
Bills enacted
0 sponsored · 3 cosponsored
2 passed a chamber · 3 reported · 56 introduced
Promise Adherence
0 of 5 promises scored
Collecting data - coming soon
Promise Adherence
0 of 5 promises scored
How this score is calculated:
Reviewed promises
0 scored of 5 needed
0 promises from 0 sources this term
Days in office this term
2,130 days (180 needed)
Promise capture coverage
0 of 3 source kinds settled
Recent activity
| Date | Action | Policy | Status |
|---|---|---|---|
| 2025-06-10 | Voted yea on “On the Cloture Motion PN12-43”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-06-10 | Voted yea on “On the Nomination PN13-6”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-06-09 | Voted yea on “On the Cloture Motion PN13-6”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-06-09 | Voted yea on “On the Nomination PN26-43”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-06-05 | Voted yea on “On the Cloture Motion PN26-43”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-06-05 | Voted yea on “On the Nomination PN26-16”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-06-05 | Voted yea on “On the Cloture Motion PN26-16”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-06-05 | Voted yea on “On the Nomination PN12-33”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-06-05 | Sponsored | S 1032 — Major Richard Star Act | Proposed |
| 2025-06-04 | Voted yea on “On the Nomination PN55-47”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-06-04 | Voted yea on “On the Nomination PN55-9”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-06-04 | Voted yea on “On the Cloture Motion PN12-33”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-06-04 | Voted yea on “On the Cloture Motion PN55-47”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-06-04 | Voted yea on “On the Cloture Motion PN55-9”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-06-03 | Voted yea on “On the Nomination PN22-16”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-06-03 | Voted yea on “On the Cloture Motion PN22-16”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-06-03 | Voted yea on “On the Nomination PN25-19”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-06-03 | Voted yea on “On the Cloture Motion PN25-19”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-06-03 | Voted yea on “On the Nomination PN17”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-06-03 | Sponsored | SJRES 56 — Life Month Resolution | Proposed |
| 2025-06-02 | Voted yea on “On the Cloture Motion PN17”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-05-22 | Voted yea on “On the Joint Resolution H.J.Res. 89”Joint Resolution Passed | HJRES 89 — Providing congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "California State Motor Vehicle and Engine and Nonroad Engine Pollution Control Standards; The 'Omnibus' Low NOX Regulation; Waiver of Preemption; Notice of Decision". | Passed 2025-06-12 |
| 2025-05-22 | Voted yea on “On the Motion to Proceed H.J.Res. 89”Motion to Proceed Agreed to | HJRES 89 — Providing congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "California State Motor Vehicle and Engine and Nonroad Engine Pollution Control Standards; The 'Omnibus' Low NOX Regulation; Waiver of Preemption; Notice of Decision". | Passed 2025-06-12 |
| 2025-05-22 | Voted yea on “On the Joint Resolution H.J.Res. 87”Joint Resolution Passed | HJRES 87 — Providing congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "California State Motor Vehicle and Engine Pollution Control Standards; Heavy-Duty Vehicle and Engine Emission Warranty and Maintenance Provisions; Advanced Clean Trucks; Zero Emission Airport Shuttle; Zero-Emission Power Train Certification; Waiver of Preemption; Notice of Decision". | Passed 2025-06-12 |
| 2025-05-22 | Voted yea on “On the Motion to Proceed H.J.Res. 87”Motion to Proceed Agreed to | HJRES 87 — Providing congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "California State Motor Vehicle and Engine Pollution Control Standards; Heavy-Duty Vehicle and Engine Emission Warranty and Maintenance Provisions; Advanced Clean Trucks; Zero Emission Airport Shuttle; Zero-Emission Power Train Certification; Waiver of Preemption; Notice of Decision". | Passed 2025-06-12 |