Nonpartisan Analysis Since 1980

South Carolina
Senate

State Map

State map

Current Rating

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Likely R

2025 Baseline

What's This?
R +15.1
D: 41.8%, R: 56.9%

2026 Election

Class II

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Class III

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Past Elections

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Calendar

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MAR
30
2026
Candidate Filing Deadline
JUN
9
2026
Primary Election Day
JUN
23
2026
Primary Runoff
NOV
3
2026
Election Day

Analysis

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Maryland, New York, Utah and South Carolina Primary Results

June 24, 2026
by Jacob Rubashkin, Nathan Gonzales & Inshara Ali

Senate Report Shorts (June 11, 2026)

June 11, 2026
by Jacob Rubashkin

Primary Results in Maine, Nevada and South Carolina

June 10, 2026
by Jacob Rubashkin & Nathan Gonzales

2026 Senate Overview (Jan. 22, 2026): North Carolina – Wyoming

January 22, 2026
by Nathan Gonzales

2026 Senate Overview (Oct. 23, 2025): North Carolina – Wyoming

October 23, 2025
by Jacob Rubashkin

2026 Senate Overview (July 24, 2026): North Carolina – Wyoming

July 24, 2025
by Jacob Rubashkin

2026 Senate Overview (April 17, 2025): North Carolina – Wyoming

April 17, 2025
by Jacob Rubashkin

Report Shorts (Jan. 24, 2025)

January 24, 2025
by Jacob Rubashkin

2026 Senate Overview (Jan. 9, 2025): North Carolina – Wyoming

January 9, 2025
by Jacob Rubashkin

Ratings

2026
April 23, 2026
Likely Republican
January 9, 2025
Solid Republican
January 6, 2023
Not Up This Cycle
2024
January 6, 2023
Not Up This Cycle
2022
January 8, 2021
Not Up This Cycle
January 8, 2021
Solid Republican
2020
December 15, 2020
Tilt Republican
October 1, 2020
Tilt Republican
September 18, 2020
Lean Republican
July 10, 2020
Likely Republican
January 4, 2019
Solid Republican
2018
January 13, 2017
Not Up This Cycle
2016
January 9, 2015
Not Up This Cycle
2014
January 25, 2013
Solid Republican
January 25, 2013
Solid Republican
2012
January 1, 2011
Not Up This Cycle
2010
June 24, 2010
Not Up This Cycle
June 24, 2010
Solid Republican

Baselines

About
2025+15.1D 41.8, R 56.9
2024
+15.1
2022
+15.4
2020
+16.0
2018
+16.5
2016
+16.8
2014
+15.2