California
4th District

District Map

District map

Final Rating

See All

Likely R

Baseline

What's This?

N/A

2018 Election

Incumbents

VACANT

Candidate

D
Jessica Morse
VAR -0.8

Campaign Finance Data

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Past Elections

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President

2016

63.8%

29.2%

D

✓Democrat

194,027 (63.8%)

R

Republican

88,986 (29.2%)

Other

21,242 (7%)

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

May 16, 2018

Likely Republican

December 1, 2017

Solid Republican

February 27, 2017

Solid Republican

2016

December 4, 2015

Solid Republican

April 3, 2015

Solid Republican

2014

December 17, 2013

Solid Republican

March 8, 2013

Solid Republican

2012

December 2, 2011

Solid Republican

August 26, 2011

Solid Republican

2010

August 23, 2010

Solid Republican