Current answers
South Dakota
Answers for people who live in South Dakota. As of September 29, 2026.
On the test, give the answer that is true on the day of your interview. For a person, that is the person serving on that day. Check USCIS Check for Test Updates before your interview.
U.S. senators
- Mike Rounds
- John Thune
Name either one.
U.S. representative
- Dusty Johnson
South Dakota has one representative for the whole state.
Governor
- Larry Rhoden
Capital
- Pierre
Coming up in South Dakota
These events may change some answers. We update the answers after each change.
November 3, 2026: U.S. Senate elections
May change: senators. The winners start on January 3, 2027. Source: U.S. Senate — 2026 elections.
November 3, 2026: House elections
May change: representatives. The winners start on January 3, 2027. Source: U.S. House of Representatives.
November 3, 2026: Governor election in South Dakota
May change: governor. The start day is not known yet. Source: National Governors Association — elections.
January 3, 2027: New Congress convenes (elects a Speaker)
May change: Speaker of the House, senators and representatives. Source: Clerk of the House.
Where this comes from
Last checked on September 29, 2026.
Show our sources
- U.S. Senate contact XML
- U.S. Senate appointed senators
- Clerk of the House MemberData XML
- Clerk of the House vacancies
- usa.gov state and territory pages (governor)
- National Governors Association roster + bios
- NGA 2026 gubernatorial elections
- CNMI Office of the Governor
- White House administration
- House leadership
- Speaker of the House
- Supreme Court biographies
- FEC candidate page (Trump party)
- USCIS Check for Test Updates
- USCIS 2025 civics study guide (capitals map p. 41)
- SC Governor press release (Darline Graham appointment)
- OK Governor press release (Alan Armstrong appointment)