California
31st District

District Map

District map

Final Rating

See All

Solid D

Baseline

What's This?

N/A

2018 Election

No persons found for this district & election year.

Past Elections

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President

2016

65.8%

28.4%

D

✓Democrat

155,720 (65.8%)

R

Republican

67,127 (28.4%)

Other

13,757 (5.8%)

Podcasts

No podcasts found for this election year.

Analysis

Report Shorts (January 22, 2026)

January 22, 2026

by Nathan Gonzales

2026 House Overview (Dec. 5, 2025): Alabama – Iowa

December 5, 2025

by Jacob Rubashkin

It’s Beginning to Look a Lot Like … a Traditional Midterm Election

December 4, 2025

by Nathan Gonzales

House & Governor Report Shorts (Nov. 20, 2025)

November 20, 2025

by Jacob Rubashkin

Report Shorts (Nov. 6, 2025)

November 6, 2025

by Jacob Rubashkin

12 Initial Takeaways from Tuesday’s Elections

November 5, 2025

by Nathan Gonzales

2026 House Overview (Sept. 11, 2025): Alabama – Iowa

September 11, 2025

by Jacob Rubashkin

A Detailed Analysis of California’s (Maybe) New Congressional Map

August 21, 2025

by Nathaniel Rakich

Parties Engage in Redistricting Arms Race

August 14, 2025

by Jacob Rubashkin

2026 House Overview (June 5, 2025): Alaska – Iowa

June 5, 2025

by Jacob Rubashkin

Coverage

C-SPAN Source Example

February 26, 2026

Ratings

2018

December 1, 2017

Solid Democrat

February 27, 2017

Solid Democrat

2016

December 4, 2015

Solid Democrat

April 3, 2015

Solid Democrat

2014

January 31, 2014

Lean Democrat

December 17, 2013

Lean Democrat

June 14, 2013

Lean Democrat

March 8, 2013

Toss-up

2012

June 6, 2012

Solid Republican

May 4, 2012

Lean Democrat

January 13, 2012

Likely Democrat

December 2, 2011

Likely Democrat

October 7, 2011

Likely Democrat

August 26, 2011

Tilt Democrat

2010

August 23, 2010

Solid Democrat