Races · house · 2020 · California

house · open seat

TJ Cox vs David Valadao

← California house California house →

Likely DD +14.3 forecast· 0 polls · 0 markets

Model's final pre-election call · win probabilitypoliagg-v34 · final pre-election call
99% Cox (D)
1% Valadao (R)
Win probability
TJ Cox99% (D)
David Valadao1% (R)
Modelpoliagg-v34 · final pre-election call
Chance of winning across many simulations of the race — not projected vote share.
R+15R+5TIEDD+5D+15
Predicted margin
Point estimateD +14.3
80% CID+2.3 → D+26.3
The model’s central margin (D-positive) with its 80% interval — the shaded band on the scale.
Model's predicted final margin D +14.3 · 80% CI D+2.3 → D+26.3
Actual result David G. Valadao +0.9 · backtest (race already called)

Momentum

—

insufficient data

Tipping-point P

0.0%

Decisive for chamber control

Market · D-side

—

Cross-platform consensus

News articles · 30d

—

no recent coverage

Where this race stands

Verified

Lean D · model 99% D

No recent polls or markets for this race. PVI baseline (D+4) suggests Lean D.

The poliagg-v34 ensemble forecasts D+14.3 with an 80% CI ranging from D+2.3 (10th pctile) to D+26.3 (90th pctile), giving D a 99% chance of winning.

CITATIONS · lean-d

Forecast · poliagg-v34

Predicted final margin

D +14.3

80% CI: D +2.3 → D +26.3 · win prob 99%

R+30R+15TIEDD+15D+30

Quality · inputs

Data quality · medium

Polls used	0
Days to election	passed
Actual result	David G. Valadao +0.9
Residual σ	6.00pt
Generated	7/1/2026

Endorsements · 0 total

Source · Wikipedia · 2 candidates with no endorsements yet

DTJ Cox0 endorsers

no endorsers yet

No endorsements found yet. Endorsements come from the candidate's Wikipedia article (when one exists) and update with the daily scrape.

RDavid Valadao0 endorsers

no endorsers yet

No endorsements found yet. Endorsements come from the candidate's Wikipedia article (when one exists) and update with the daily scrape.

Money raised · own committees

FEC Schedule E (independent expenditures) + candidate-committee totals · last filing 2020-12-17

TJ CoxH8CA10167 ↗

Receipts

$6.1M

Disburse

$6.1M

Cash on hand

$55.9K

Debts

$4.0K

Top industries

No industry data.

Top contributors

No contributor data.

Outside spending · independent expenditures

FEC Schedule E (independent expenditures) + candidate-committee totals · 24/48-hr IE reports

IE total

$103.0K

D side

$103.0K · 100%

R side

$0 · 0%

Top spender

WE VOTE - NOSOTROS …

For / against split

For Cox $103.0K

Spender	Side	Amount	Share	Target
WE VOTE - NOSOTROS VOTAMOS - PPAMM COMMITTEE	D	$48.4K	47%	for TJ Cox
COMMUNITIES FOR A NEW CALIFORNIA C4	D	$39.9K	39%	for TJ Cox
EQUALITY CALIFORNIA VOTES	D	$7.5K	7%	for TJ Cox
FLIP THE WEST	D	$6.4K	6%	for TJ Cox
MOVEON.ORG POLITICAL ACTION	D	$885	1%	for TJ Cox

Editorial ratings · 3 raters

Cook · Sabato · Inside Elections · 538 · DDHQ et al.

Lean D1

Tossup2

The Cook Political Report

Tossup

Jul 1

Inside Elections

Tossup

Sep 30

Sabato's Crystal Ball

Lean D

Nov 1

Demographic crosstabs

age · education · race · gender

No demographic crosstabs published for this race yet. Most pollsters release only topline numbers; subgroup breakdowns (age, education, race, gender) appear here when a pollster publishes them.

Rating timeline

Jul 1, 2026Likely Dmodel

Jun 22, 2026Safe Dmodel

May 15, 2026Likely Dmodel

Verification trail

Polls verified0 / 0deterministic

Polls flagged—none

Markets ingested0 platformsnone listed

FEC filingssyncedcommittee + IE · 2020-12-17

Endorsements—nothing to sync

News coverage< 5 articlesGoogle News

Method · bounds + percentage totals + date-order checks