2018 California House Election Interactive Map

All US House seats to be contested in 2018
California has 53 congressional districts, far and away the largest number in the country; Texas is 2nd with 36. There are currently 39 Democrats and 14 Republicans. Of the 12 seats seen as at least somewhat competitive in 2018, ten are held by Republicans. Seven of those districts voted for Hillary Clinton over Donald Trump in 2016. There were only 25 such instances (Republican elected to Congress in district that sided with Clinton) nationwide.

To create your own forecast for the midterms, visit the 2018 House Interactive Map.
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Hover over a district for details.

District Incumbent Party Since Term Predictions Margin of Victory
Pro Map House(a) President(b)
CA-1 Doug LaMalfa
2013 4th
18.1% 19.7%
CA-4 Tom McClintock
2009 6th
25.4% 14.7%
CA-7 Ami Bera
2013 4th
2.3% 11.4%
CA-10 Jeff Denham
2011 5th
3.4% 3.0%
CA-16 Jim Costa
2013 4th
16.1% 21.6%
CA-21 David Valadao
2013 4th
13.5% 15.5%
CA-22 Devin Nunes
2003 9th
35.1% 9.5%
CA-24 Salud Carbajal
2017 2nd
6.8% 20.2%
CA-25 Steve Knight
2015 3rd
6.3% 6.7%
CA-39 Edward Royce
1993 14th
14.5% 8.6%
Incumbent not running for re-election in 2018.
CA-45 Mimi Walters
2015 3rd
17.1% 5.4%
CA-48 Dana Rohrabacher
1989 16th
16.6% 1.7%
CA-49 Darrell Issa
2001 10th
0.5% 7.5%
Incumbent not running for re-election in 2018.
CA-50 Duncan Hunter
2009 6th
26.9% 15.0%
CA-2 Jared Huffman
2013 4th
53.7% 45.7%
CA-3 John Garamendi
2009 6th
18.7% 12.6%
CA-5 Mike Thompson
1999 11th
53.7% 44.9%
CA-6 Doris Matsui
2005 8th
50.9% 44.8%
CA-8 Paul Cook
2013 4th
24.5% 15.1%
CA-9 Jerry McNerney
2007 7th
14.7% 18.6%
CA-11 Mark DeSaulnier
2015 3rd
44.1% 48.8%
CA-12 Nancy Pelosi
1987 17th
61.7% 77.5%
CA-13 Barbara Lee
1998 12th
81.6% 80.6%
CA-14 Jackie Speier
2008 7th
61.7% 58.7%
CA-15 Eric Swalwell
2013 4th
47.5% 45.7%
CA-17 Ro Khanna
2017 2nd
22.0% ^ 53.4%
CA-18 Anna Eshoo
1993 14th
42.3% 53.2%
CA-19 Zoe Lofgren
1995 13th
47.9% 51.4%
CA-20 Jimmy Panetta
2017 2nd
41.5% 47.2%
CA-23 Kevin McCarthy
2007 7th
38.4% 22.0%
CA-26 Julia Brownley
2013 4th
20.8% 21.9%
CA-27 Judy Chu
2009 6th
34.8% 37.6%
CA-28 Adam Schiff
2001 10th
56.0% 49.8%
CA-29 Tony Cardenas
2013 4th
49.5% ^ 60.9%
CA-30 Brad Sherman
1997 12th
45.3% 43.4%
CA-31 Pete Aguilar
2015 3rd
12.1% 21.1%
CA-32 Grace Napolitano
1999 11th
23.1% ^ 38.9%
CA-33 Ted Lieu
2015 3rd
32.9% 41.3%
CA-34 Jimmy Gomez
2017 2nd
54.4% 72.9%
CA-35 Norma Torres
2015 3rd
44.8% 40.8%
CA-36 Raul Ruiz
2013 4th
24.1% 8.8%
CA-37 Karen Bass
2011 5th
62.3% ^ 76.1%
CA-38 Linda Sanchez
2003 9th
41.0% 39.6%
CA-40 Lucille Roybal-Allard
1993 14th
62.3% 69.4%
CA-41 Mark Takano
2013 4th
29.9% 27.9%
CA-42 Ken Calvert
1993 14th
17.6% 12.0%
CA-43 Maxine Waters
1991 15th
52.2% 61.7%
CA-44 Nanette Barragan
2017 2nd
4.4% ^ 70.7%
CA-46 Lou Correa
2017 2nd
40.0% ^ 38.4%
CA-47 Alan Lowenthal
2013 4th
27.4% 31.6%
CA-51 Juan Vargas
2013 4th
45.5% 49.0%
CA-52 Scott Peters
2013 4th
13.1% 22.5%
CA-53 Susan Davis
2001 10th
34.0% 34.9%

(a)Source: Ballotpedia (for margins). The margin is the percentage difference between the top two vote-getters in 2016.
More recent results (i.e., special elections held in 2017-18 for vacancies) are not displayed.
* Race was uncontested | ^Top two vote-getters were from the same party

(b)Source: Daily Kos. The margin is the percentage difference between Donald Trump and Hillary Clinton.