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2026 Elections

South Carolina 2026 Primary Election: Date, Rules & What to Know

The South Carolina 2026 congressional primary was held on June 9, 2026. General Election Day is November 3, 2026.

Source: Ballotpedia

Voting in South Carolina

Registration closes
Likely closed (≈ Oct 4)
Early voting opens
≈ Oct 20
Election Day
Tuesday, November 3, 2026

Dates are approximate — states count the days differently and county schedules vary. Confirm yours at vote.gov. See all registration deadlines or early voting dates by state.

Live on Congress Countdown

See South Carolina's current congressional delegation

Term end dates, party breakdown, and which seats are on the November ballot.

General Election · November 3, 2026

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Quick Answer

Primary Date
June 9, 2026 (passed)
Runoff Date
June 23, 2026 (passed) — If no candidate wins a majority (50%+1)
Primary Type
Partisan Open Primary
Senate Race in 2026
Yes — Class II seat (Darline Graham (R), appointed 2026)
General Election
November 3, 2026

South Carolina U.S. Senate Primary — Results

Lindsey Graham won the June 9 Republican primary with 56.8% and died on July 11, 2026. His sister Darline Graham was sworn in on July 14 to serve the remainder of the term and is the Republican candidate in November.

November nominees

RepublicanIncumbent

Darline Graham

Democratic

Annie Andrews

Won primary · 61.5%

Each won their own party's primary and advance to November 3, 2026 in a single-winner (majority runoff possible) contest.

Verified September 11, 2026Source

What's on the South Carolina 2026 Ballot

U.S. House of Representatives

All U.S. House seats in South Carolina are on the 2026 ballot. Every House member runs for re-election every two years. View South Carolina representatives →

U.S. Senate — Class II Seat

South Carolina's Class II Senate seat is up for election in 2026. The current senator is Darline Graham (R), appointed 2026. Class II senators were last elected in 2020 and serve six-year terms.

South Carolina's Primary System: Partisan Open Primary

South Carolina holds separate party primaries, but any registered voter may participate — you do not need to be registered with a party. On primary day, you simply request the ballot for the party whose primary you want to vote in.

South Carolina 2026 Election Key Dates

June 9, 2026Primary Election (passed)
June 23, 2026Primary Runoff (passed) — if needed
October 2026Voter registration deadlines (check your state)
November 3, 2026General Election
January 3, 2027120th Congress convenes

Voter Registration in South Carolina

Any registered voter may participate — no party registration required. You may choose which party's primary to vote in on Election Day.

To vote in the November 3, 2026 general election, register by ≈ October 4, 2026 — 30 days before Election Day.

Check your registration status and find your polling place at vote.gov. Deadlines marked ≈ are computed from statute and can shift — see all registration deadlines by state.

See All State Primary Dates

Compare South Carolina's primary to other states' 2026 schedules.

Full Primary Calendar →

Sources

Frequently Asked Questions

Who won the South Carolina 2026 U.S. Senate primary?

Darline Graham won the Republican nomination, and Annie Andrews won the Democratic nomination with 61.5%. They advance to the general election on November 3, 2026.

Who is running for U.S. Senate in South Carolina in November 2026?

The November 3, 2026 ballot features Darline Graham (R) vs Annie Andrews (D) for South Carolina's U.S. Senate seat.

When is the South Carolina primary election in 2026?

The South Carolina 2026 congressional primary is June 9, 2026. If no candidate wins the required threshold, a runoff will be held on June 23, 2026. The general election is November 3, 2026.

Can I vote in the South Carolina primary if I'm not registered with a party?

Any registered voter may participate — no party registration required. You may choose which party's primary to vote in on Election Day.

What is on the South Carolina 2026 primary ballot?

All U.S. House seats in South Carolina are on the 2026 primary ballot. Additionally, the U.S. Senate seat (Class II) is up for election. The current senator is Darline Graham (R), appointed 2026. Many states also hold primaries for governor and state legislature on the same day.

What type of primary does South Carolina use?

South Carolina holds separate party primaries, but any registered voter may participate — you do not need to be registered with a party. On primary day, you simply request the ballot for the party whose primary you want to vote in.

When is the South Carolina voter registration deadline for the 2026 primary?

Voter registration deadlines vary but are typically 15–30 days before the primary. Check the South Carolina Secretary of State website or vote.gov for the exact deadline.

When is the South Carolina general election in 2026?

The 2026 general election is on Tuesday, November 3, 2026. This date is the same for all 50 states — it is always the first Tuesday after the first Monday in November in even-numbered years.

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