UPDATED May 4, 2021, at 9:39 AM

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Who’s ahead in California’s 50th District?

Updating average for each Democratic candidate in 2020 primary polls, accounting for each poll’s quality, sample size and recency

Our average includes all candidates that FiveThirtyEight considers “major.” Candidates with insufficient polling data are not displayed in the averages. State polling averages are adjusted based on national trends, which means candidates’ averages can shift even in the absence of fresh state polls. Read more about the methodology.

Added Oct. 26, 2020

DatesPollsterSampleResultNet result
U.S. House
U.S. House
CA-50CA-50
Oct 22-26, 2020
538 LV
Oct 22-26, 2020
538LVCampa-Najjar
40%

Campa-Najjar

40%

Issa

51%
51%
IssaIssa+11
U.S. House
CA-50CA-50
Oct 10-13, 2020
401 LV
Oct 10-13, 2020
401LVCampa-Najjar
42%

Campa-Najjar

42%

Issa

42%
42%
IssaEven

Key

A = ADULTS

RV = REGISTERED VOTERS

V = VOTERS

LV = LIKELY VOTERS

Sept. 7, 2020

U.S. House
U.S. House
CA-50CA-50
Sep 4-7, 2020
508 LV
Sep 4-7, 2020
508LVCampa-Najjar
45%

Campa-Najjar

45%

Issa

46%
46%
IssaIssa+1

Aug. 3, 2020

U.S. House
U.S. House
CA-50CA-50
Jul 22-26, 2020
400 LV
Jul 22-26, 2020
400LVCampa-Najjar
43%

Campa-Najjar

43%

Issa

47%
47%
IssaIssa+4

March 27, 2020

U.S. House
U.S. House
CA-50CA-50
Mar 18-21, 2020
400 LV
Mar 18-21, 2020
400LVCampa-Najjar
45%

Campa-Najjar

45%

Issa

48%
48%
IssaIssa+3

Oct. 2, 2019

U.S. House
U.S. House
CA-50CA-50
Sep 26-Oct 2, 2019
692 LV
Sep 26-Oct 2, 2019
692LVIssa
36%

Issa

36%

DeMaio

29%
29%
DeMaioIssa+7
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