Nonpartisan Analysis Since 1980

Wisconsin
Senate I

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State map

Current Rating

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No Rating

2025 Baseline

What's This?
D +0.9
D: 49.7%, R: 48.8%

2030 Election

Incumbent

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Unopposed

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Past Elections

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Analysis

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Gubernatorial Overview (June 25, 2026)

June 25, 2026
by Jacob Rubashkin, Nathan Gonzales & Inshara Ali

2026 House Overview (June 11, 2026)

June 11, 2026
by Jacob Rubashkin & Nathan Gonzales

Report Shorts (April 9, 2026)

April 9, 2026
by Jacob Rubashkin & Nathan Gonzales

House Overview (March 12, 2026): North Carolina – Wisconsin

March 12, 2026
by Jacob Rubashkin

Report Shorts (Feb. 5, 2026)

February 5, 2026
by Jacob Rubashkin

Ratings

2026
January 9, 2025
Not Up This Cycle
2024
September 26, 2024
Tilt Democrat
July 28, 2023
Lean Democrat
January 6, 2023
Battleground Democrat
2020
January 4, 2019
Not Up This Cycle
2018
October 26, 2018
Solid Democrat
July 6, 2018
Lean Democrat
January 13, 2017
Tilt Democrat
2014
January 25, 2013
Not Up This Cycle
2012
September 28, 2012
Toss-up
September 3, 2012
Tilt Republican
May 18, 2012
Toss-up
August 1, 2011
Tilt Democrat
May 13, 2011
Lean Democrat
January 28, 2011
Solid Democrat
2010
June 24, 2010
Not Up This Cycle

Baselines

About
2025+0.9D 49.7, R 48.8
2024
+0.9
2022
+1.1
2020
+0.5
2018
+0.1
2016
+3.3
2014
+2.8