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Spain election 2026 in Castellón: polls and seat projection

Valencian Community5 seats
D-16days to the election

PP estimated first in Castellón, 33%.

As of 12 November 2026, PP is estimated at 33.0% in the constituency of Castellón for Spain's general election on 29 November, against 27.5% for PSOE, according to the Sondagio model. The 5 seats would be shared out as follows, with the 80% range of the 2,000 simulations: PP 2, PSOE 1–2 and Vox 1–2. PP tops the vote in 76% of simulations (PSOE in 21% and Vox in 4%). No polls of single provinces are published: the estimate applies the national average to the 2023 result.

In 2023, PP came first in Castellón with 35.2% (official result).
In 2026 Podemos runs inside Compromís: Front Valencià, with no list of its own, and Frente Amplio does not stand here.
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Estimate and seats in Castellón

Sondagio model · D'Hondt, 3% threshold
PartyEstimated vote, %80% rangeSeatsTops the vote
PP33.028.1–37.9276%
PSOE27.522.4–32.61–221%
Vox24.419.9–28.51–24%
Front Valencià10.58.2–13.10–

Estimate: the national average of 16 pollsters applied to the 2023 result; 8 in 10 simulations fall inside the range. It is not a poll of Castellón. Method.

The parties in Castellón

who they are · who heads the list
PartyWho they areHeads the list
PPthe main centre-right party (People's Party), in opposition since 2018Elena Albalat Aguilella
PSOEthe centre-left Socialist party of Prime Minister Pedro SánchezMaría Jiménez Román
Voxradical-right Spanish nationalists, hard line on immigration and on Catalan and Basque nationalismAlberto Teófilo Asarta Cuevas
Front ValenciàValencian left-wing list led by CompromísIgnasi García Felip

10 lists stand for Congress in Castellón. Source: lists proclaimed in the BOE of 3 November 2026, with the correction of 7 November. Every name on every list (in Spanish) →

2023 general election result in Castellón

23 July 2023 · Congress · % of valid votes · official result
Party% of votesSeats
PP35.22
PSOE32.62
Vox15.91
Sumar14.30

Source: Spain's Interior Ministry, official results (compiled on Wikipedia, CC BY-SA 4.0).

Nearby constituencies

Also in Valencian Community: Alicante, Valencia. Neighbouring provinces in other regions: Tarragona, Teruel.

Questions about the election in Castellón

How many seats does Castellón elect?
Castellón elects 5 of the 350 members of Spain's Congress of Deputies at the general election of 29 November 2026, the same number as in 2023. Seats are shared out by the D'Hondt method among the lists that win at least 3% of the valid votes in the constituency.
Who is ahead in Castellón according to the polls?
In the Sondagio estimate as of 12 November 2026, PP comes first in Castellón with 33.0% (between 28.1% and 37.9% in 80% of simulations), ahead of PSOE on 27.5%. PP tops the vote in 76% of the 2,000 simulations; PSOE in 21% and Vox in 4%. Estimated seats: PP 2, PSOE 1–2 and Vox 1–2.
Who heads the lists for Congress in Castellón?
Elena Albalat Aguilella (PP), María Jiménez Román (PSOE) and Alberto Teófilo Asarta Cuevas (Vox). These are the lists officially proclaimed and published in Spain's state gazette (BOE) on 3 November 2026; 10 lists stand for Congress in Castellón.
Are there polls of Castellón for the general election?
Almost every poll of the general election is national and publishes no figures for Castellón. The Sondagio estimate applies the national average of 16 pollsters to the 2023 result in Castellón: it is a model, not a poll of the constituency.
When is Spain's general election?
Sunday 29 November 2026. Polling stations open from 9am to 8pm. Spanish law bans the publication of polls from 24 to 28 November.
Who won in Castellón at the 2023 general election?
PP topped the vote in Castellón on 23 July 2023 with 35.2% of valid votes. Seats: PP 2, PSOE 2 and Vox 1 (official result).

More on Spain's election

All 52 constituencies