Prediction Edge
Republican
Jim Desmond

Jim Desmond

Republican candidate for U.S. House in California

Live Odds

Current prediction-market probability for the candidate, updated as market prices change.

Jim Desmond is trading at 99% to win the CA-48 primary: first place on prediction markets.

Candidate Overview

Key details about the candidate’s background, party, office sought and current campaign.

Current roleCommissioner

PartyRepublican

Political ideologyConservative Republican

GenderMale

LocationCalifornia

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BackgroundPolitician

EducationSan Diego State University — B.S., Electrical Engineering (1985)

Notable personal detailsJim Desmond is a Republican politician and retired aviator serving on the San Diego County Board of Supervisors (District 5) since 2019. He previously served on the San Marcos City Council and as mayor of San Marcos. Desmond served in the U.S. Navy and later worked as a commercial airline pilot, and he earned a B.S. in electrical engineering from San Diego State University.

SourcesShow

Political Positions

LiberalConservative

Economy & Taxes

Opposes new or higher local taxes and advocates addressing budget shortfalls by cutting or restraining government spending rather than raising revenue. Emphasizes protecting families from additional sales, vacancy, payroll, or property-related tax increases and prioritizing public safety within existing budgets.

Healthcare

Jim Desmond’s public record as San Diego County supervisor shows involvement in county healthcare program decisions and concern about healthcare access in rural communities, but his statements and votes on county-level reforms are limited and do not clearly align with a progressive or conservative national healthcare platform. Available sources document specific local votes (including at least one ‘no’ vote on a county medical program reform) and campaign material referencing healthcare limits in rural areas without endorsing Medicare for All, a public option, or explicit market-based federal‑

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Immigration & Border

The candidate favors stronger border enforcement and increased cooperation with law enforcement while opposing local policies that limit county assistance to federal immigration authorities. He has called the recent cross‑border migrant flows an invasion, proposed repealing county limits on cooperation with ICE, and urged more resources and restrictions to address illegal crossings and related public‑safety concerns.

Abortion & Reproductive Rights

The candidate has opposed local measures to secure medication-based abortion supplies and was the lone county supervisor to vote against supporting a constitutional amendment to enshrine abortion rights in California. His actions indicate support for restrictions on expanded local or state-level abortion protections rather than advocacy for codifying unrestricted access.

Climate & Energy

Supports market-driven clean energy measures and incentives (including rooftop solar and consumer incentives for EVs and hybrids) while opposing mandates and some county-level climate regulations that he says would restrict housing; has promoted studies that consider a range of energy supply sources to preserve reliability.

Public Safety & Guns

The candidate opposes several local gun-safety proposals and has voted against county measures that would advance gun-safety education and certain gun-safety resolutions. The candidate emphasizes support for law enforcement and public-safety measures rather than new local firearm regulations.

Latest News

AINews Summary
Last updatedJul 15, 2026

Jim Desmond is in the news because he advanced from the California 48th Congressional District primary and will face Democrat Marni von Wilpert in the general election. The race is being closely watched as a possible House control battleground, and Desmond was one of the top vote-getters in the crowded top-two primary. Recent reports also note that outside spending and national Republican support have increased around his campaign.

fec.gov+46

Latest Polls

Recent polling results and the candidate's current average in the race.

Jim Desmond currently averages 27.0%, ranking first in this race, 15.3 points ahead of the nearest opponent.

Polling average: 27.0%Position: firstMargin: +15.3 ptsLatest poll: 29.0% (May 8 - 14)Polls included: 4

Average recalculated from polls through May 8 - 14.

Polling Average
30%20%10%0%
27%
11.8%
9.8%
Jim Desmond
J. Desmond
Ammar Campa-Najjar
A. Campa-Najjar
Kevin O'Neil
K. O'Neil
Mike Schaefer
M. Schaefer
Eric Shaw
E. Shaw
Ferguson Porter
F. Porter
Stephen Clemons
S. Clemons
Luis Reyna
L. Reyna
Date (Start - End)SpreadDesmondCampa-NajjarO'NeilSchaeferShawPorterClemonsReyna
Polling Average
Desmond+15.3
27.0%11.8%9.8%4.5%2.0%1.0%0.5%0.0%
SurveyUSAMay 8 - 14
Desmond+19.0
29.0%9.0%10.0%3.0%2.0%1.0%0.0%
Tulchin ResearchApr 27 - 30
Desmond+14.0
27.0%13.0%9.0%
Tulchin ResearchApr 27 - 30
Desmond+14.0
27.0%13.0%7.0%
SurveyUSAApr 14 - 19
Desmond+12.0
25.0%12.0%13.0%6.0%2.0%1.0%1.0%0.0%

Aggregation source: FiftyPlusOne

Campaign Fundraising

Latest report: Cycle 2026

Campaign finance totals from the latest available reporting period.

Total raisedCash on hand
$2.3M
$1.7M
$1.1M
$564.7K
$0

2026

Latest
Year
Total raised
Cash on hand
Total spent
Burn rate

Cycle 2026

$2.3M
$1.2M
$1.0M
$57.2K

Source: FEC

New updates coming soon

We're monitoring and will update when new data impacts the race.

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