Horizon · our Election Day forecast: polls, plus fundamentals like incumbency, fundraising and past results.

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Texas › U.S. House of Representatives · November 3, 2026 · Updated Oct 16, 2026

Texas's 34th District

Gonzalez is favored to win: Gonzalez wins in 3 of every 4 simulations.

Gonzalez (D)
75%
chance of winning
Flores (R)
25%
Average margin
D+4.7
80% of outcomes
R+5 to D+14
Partisan lean
R+7
Polls
3in our database

Gonzalez is favored to win: Gonzalez wins in 3 of every 4 simulations.

Gonzalez (D)
74%
chance of winning
Flores (R)
26%
Average margin
D+5.1
80% of outcomes
R+6 to D+16
Partisan lean
R+7
Polls
3in our database

Range of outcomes

Final margin across our simulations; the white dashes mark the middle 80%.

D+4.7R+20R+10EvenD+10D+20
D+5.1R+30R+20R+10EvenD+10D+20D+30

How the odds have moved

Chance of winning by forecast date.

0%25%50%75%100%AugSepOctNovNov 3Gonzalez 75%Flores 25%

Updated nightly. Each day is the current model run on the polls that had ended by then (how).

0%25%50%75%100%AugSepOctNovNov 3Gonzalez 74%Flores 26%

Updated nightly. Each day is the current model run on the polls that had ended by then (how).

The candidates

Republican

Eric Flores

Former federal prosecutor and son of former state representative Ismael Flores

Experience
No elected office
Raised
$3.8M
From individuals
$1.9M
Spent
$3.5M
Cash on hand
$285.1K

Money: FEC, through Sep 30, 2026.

Profile and career

What goes into the forecast

Every ingredient's estimate of the final margin.

National environment
D+9.5Election Day forecast; federal races run in it
Swing reaching this office
78%Of a shift in the environment, from past House races since 2016
Southwest adjustment
−1.2How House races in the region have run against lean and environment lately
← RepublicanDemocratic →Lean + environmentUsual vote, shifted by 78% of the environment andthe Southwest adjustmentD+2.7Fundamentals modelAdds incumbency, past results, money andexperienceD+4.3Polls in similar placesPolling of similar races in Texas and look-alikeplacesD+7.9Polling average3 polls, latest Aug 22D+3.9Horizon forecastPolls + fundamentals, projected to Election DayD+4.7Pulse forecastPolls (and polling of similar places) only, todayD+5.1

Each estimate is a margin before national and statewide uncertainty is simulated. Horizon blends polls, fundamentals and a little of the similar-places estimate, weighting each by how precise it is; Pulse uses polls and similar places only.

Fundamentals inputs
Incumbency (+1 D, −1 R)1
Fundraising edge (log ratio of individual money)-0.44
Elected-experience edge1
First-term incumbent0
Seat's last result vs. expectation0
Incumbent's last result vs. expectation0

Polls

R+5EvenD+5Avg. D+3.9Apr 29Nov 3
All 3 polls
PollsterDatesSampleGonzalezFloresMarginAdjusted
Public Policy Research/Texas Southern UniversityAug 18–Aug 22700 LV4542D+3D+3.9
Ragnar Research Partners for Flores's campaignR-sponsoredJun 14–Jun 16400 LV4144R+3D+5.9
co/efficient for the National Republican Congressional CommitteeR-sponsoredApr 25–Apr 29777 LV4041R+1D+8.0

Adjusted: after correcting for the pollster's house effect, registered vs. likely voters, and movement in the national environment since the poll; shown for the polls carrying the most weight in today's average. Larger dots in the chart carry the most weight. Last poll: Aug 22, 2026.

The district

Lean R+7: how much more Democratic or Republican than the nation it votes for president.

Presidential vote

← RepublicanDemocratic →2016 presidentD+13.3D+11.1 vs. nation2020 presidentD+3.1R+1.5 vs. nation2024 presidentR+10.1R+8.6 vs. nation

Precinct results re-aggregated to the current district lines.

Who lives here

Population
770,305
People per km²
50
Adults with a B.A.+
24%
White, no degree
14%of adults
  • White 18%
  • Hispanic 77%
  • Black 2%
  • Asian 2%
  • Other / multiracial 2%

American Community Survey 2020–2024, aggregated from census tracts.

Past results

Results in the same-numbered district; earlier elections may have used different lines.

2024 Earlier district lines

200,392 votes · D+2.6
✓ Vicente Gonzalez (D)51.3%
Mayra Flores (R)48.7%

2024 President Vote in this district

237,075 two-party votes · R+10.1 · R+8.6 vs. the nation
✓ Donald Trump (R)55.0%
Kamala Harris (D)45.0%

2022 Earlier district lines

134,438 votes · D+8.8
✓ Vicente Gonzalez (D)52.7%
Mayra Flores (R)44.2%
Chris Royal (I)3.0%

2022 specialEarlier district lines

29,069 votes · R+8.0
✓ Flores, Mayra (R)50.9%
Sanchez, Dan (D)43.4%
Coronado, Rene (D)4.2%
Cantu-Cabrera, Juana "Janie" (R)1.6%

2020 Earlier district lines

201,130 votes · D+14.0
✓ Filemon Vela (D)55.4%
Rey Gonzalez (R)41.8%
Anthony Cristo (L)1.6%
Chris B Royal (I)1.1%

2020 President Vote in this district

240,647 two-party votes · D+3.1 · R+1.5 vs. the nation
✓ Joe Biden (D)51.5%
Donald Trump (R)48.5%

2018 Earlier district lines

143,068 votes · D+20.0
✓ Filemon B Vela (D)60.0%
Rey Gonzalez (R)40.0%

2016 President Vote in this district

188,811 two-party votes · D+13.3 · D+11.1 vs. the nation
✓ Hillary Clinton (D)56.7%
Donald Trump (R)43.3%