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

Pulse · polls only: where the races stand today, with no fundamentals and wider uncertainty.

What's the difference?

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

Texas's 18th District

Menefee is very likely to win: Menefee wins in more than 99 of every 100 simulations.

Menefee (D)
>99%
chance of winning
Whitfield (R)
<1%
Average margin
D+63.3
80% of outcomes
D+54 to D+73
Partisan lean
D+58
Polls
No pollsmodel only

Menefee is very likely to win: Menefee wins in more than 99 of every 100 simulations.

Menefee (D)
>99%
chance of winning
Whitfield (R)
<1%
Average margin
D+65.5
80% of outcomes
D+53 to D+78
Partisan lean
D+58
Polls
No pollsmodel only

Range of outcomes

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

D+63.3R+75R+50R+25EvenD+25D+50D+75
D+65.5R+75R+50R+25EvenD+25D+50D+75

How the odds have moved

Chance of winning by forecast date.

0%25%50%75%100%AugSepOctNovNov 3Menefee >99%Whitfield <1%

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

0%25%50%75%100%AugSepOctNovNov 3Menefee >99%Whitfield <1%

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

The candidates

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+64.2Fundamentals modelAdds incumbency, past results, money andexperienceD+63.3Polls in similar placesPolling of similar races in Texas and look-alikeplacesD+63.3Polling averageNo polls of this racenot availableHorizon forecastPolls + fundamentals, projected to Election DayD+63.3Pulse forecastPolls (and polling of similar places) only, todayD+65.5

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)3.05
Elected-experience edge1
First-term incumbent1
Seat's last result vs. expectation0
Incumbent's last result vs. expectation0

Polls

No public polls of this race. The forecast relies on fundamentals and on polling of similar places.

The district

Lean D+58: how much more Democratic or Republican than the nation it votes for president.

Presidential vote

← RepublicanDemocratic →2016 presidentD+68.8D+66.6 vs. nation2020 presidentD+63.8D+59.2 vs. nation2024 presidentD+55.8D+57.3 vs. nation

Precinct results re-aggregated to the current district lines.

Who lives here

Population
783,135
People per km²
1,267
Adults with a B.A.+
31%
White, no degree
6%of adults
  • White 13%
  • Hispanic 37%
  • Black 41%
  • Asian 6%
  • Other / multiracial 3%

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

Past results

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

2025 specialEarlier district lines

76,189 votes · D+62.3
✓ Christian Menefee (D)28.9%
Amanda Edwards (D)25.6%
Jolanda Jones (D)19.1%
Carmen Montiel (R)6.7%
Isaiah Martin (D)5.7%

2024 Earlier district lines

218,720 votes · D+38.9
✓ Sylvester Turner (D)69.4%
Lana Centonze (R)30.5%

2024 President Vote in this district

238,925 two-party votes · D+55.8 · D+57.3 vs. the nation
✓ Kamala Harris (D)77.9%
Donald Trump (R)22.1%

2022 Earlier district lines

156,239 votes · D+45.9
✓ Sheila Jackson Lee (D)70.7%
Carmen Maria Montiel (R)26.2%
Vince Duncan (I)1.8%
Phil Kurtz (L)1.3%

2020 Earlier district lines

246,895 votes · D+51.4
✓ Sheila Jackson Lee (D)73.3%
Wendell Champion (R)23.5%
Luke Spencer (L)1.8%
Vince Duncan (I)1.4%

2020 President Vote in this district

320,064 two-party votes · D+63.8 · D+59.2 vs. the nation
✓ Joe Biden (D)81.9%
Donald Trump (R)18.1%

2018 Earlier district lines

184,332 votes · D+56.7
✓ Sheila Jackson Lee (D)75.2%
Ava Reynero Pate (R)20.8%
Luke Spencer (L)2.2%
Vince Duncan (I)1.7%

2016 President Vote in this district

251,858 two-party votes · D+68.8 · D+66.6 vs. the nation
✓ Hillary Clinton (D)84.4%
Donald Trump (R)15.6%