Brazil Election 2026General election · Runoff · October 25
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Updated at 04:06 ·100.00% of polling stations counted · Source: TSE

Runoff results in Castelo do Piauí (PI)

Who won for president in Castelo do Piauí?

President in Castelo do Piauí (PI): Lula (PT) 74.32%, Flávio Bolsonaro (PL) 25.68%. See also governor and Senate.

LulaPT 1374.32%9,390 votes
Flávio BolsonaroPL 2225.68%3,244 votes
the line marks half of valid votes
Source: TSE

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President in Castelo do Piauí

Both candidates

Lula (PT) got more votes in Castelo do Piauí (74.32%), followed by Flávio Bolsonaro (PL) (25.68%), with 100.00% of polling stations counted. Electorate: 16,952; turnout: 76.56%.

President in Castelo do Piauí
CandidatePartyVotes% of valid
LulaPT 139,39074.32%
Flávio BolsonaroPL 223,24425.68%

1st round in Castelo do Piauí

In the 1st round, on October 4, Lula (PT) got more votes in Castelo do Piauí, with 69.27% of valid votes; Flávio Bolsonaro (PL) got 26.09%.

President in Castelo do Piauí, 2026 1st round
CandidatePartyVotes% of valid
LulaPT 138,57069.27%
Flávio BolsonaroPL 223,22826.09%
Escritor Augusto CuryAvante 702652.14%
Renan SantosMissão 141931.56%
Ronaldo CaiadoPSD 551010.82%
Edmilson CostaPCB 2140.03%
ZemaNovo 3040.03%
SamaraUP 8040.03%
Hertz DiasPSTU 1620.02%
Clariana BarãoDC 2710.01%

Governor in Castelo do Piauí (1st round)

Rafael FontelesPT 1371.70%8,423 votes
Joel RodriguesPP 1127.60%3,243 votes
the line marks half of valid votes
All 6 candidates
Governor in Castelo do Piauí (1st round)
CandidatePartyVotes% of valid
Rafael FontelesPT 138,42371.70%
Joel RodriguesPP 113,24327.60%
Dra. Lúcia SantosPSDB 45420.36%
Professor GisvaldoPSOL 50240.20%
Santiago BelizárioUP 8090.08%
Elizeu AguiarNovo 3070.06%
Geraldo CarvalhoPSTU 168annulled votes
Professor JurityDC 273annulled votes
Lourdes MeloPCO 292annulled votes
Ravenna da InclusãoDemocrata 351annulled votes

Senate in Castelo do Piauí (1st round)

  • Ciro Nogueira PP 11135.71%
  • Marcelo Castro MDB 15135.46%
  • Júlio César o Julim do Lula PSD 55517.38%
  • Tiago Junqueira PL 2229.77%
All 10 candidates
Senate in Castelo do Piauí (1st round)
CandidatePartyVotes% of valid
Ciro NogueiraPP 1117,60635.71%
Marcelo CastroMDB 1517,55435.46%
Júlio César o Julim do LulaPSD 5553,70217.38%
Tiago JunqueiraPL 2222,0819.77%
Maria Madalena NunesPSOL 5051000.47%
Antônio BarrosNovo 300930.44%
Antônio José LiraAvante 700770.36%
Jorge LopesPSDB 456410.19%
Francinaldo LeãoPSOL 500230.11%
Pedro LaurentinoUP 800230.11%
Dionísio CarvalhoDC 27782annulled votes
Jardenya BezerraDemocrata 3557annulled votes
Danniel RochaPSTU 1665annulled votes
Irmão Evandro MarquesDC 2784annulled votes
Cloves JoséPCO 2910annulled votes
Missionário Evandro CraveiroDemocrata 3500annulled votes

From the 1st round to the runoff

In the 1st round, on October 4, Lula (PT) got 69.27% of valid votes in Castelo do Piauí, and Flávio Bolsonaro (PL) got 26.09%; the other candidates added up to 4.64%.

In the runoff, Lula got 74.32% (+5.05 points) and Flávio Bolsonaro got 25.68% (−0.41 points).

Lula's lead rose from 43.18 points to 48.64 points.

President in Castelo do Piauí: 2026 1st round and runoff
CandidateParty1st roundRunoffChange
LulaPT 1369.27%74.32%+5.05 points
Flávio BolsonaroPL 2226.09%25.68%−0.41 points

Comparison with 2022

In the 2022 1st round in Castelo do Piauí, Lula (PT) had 74.62% of valid votes and Jair Bolsonaro (PL) had 20.37%. In the 2022 runoff, Lula (PT) won in Castelo do Piauí with 76.92% of valid votes.

PT: Lula has 74.32% in the 2026 runoff, against 76.92% in the 2022 runoff (−2.6 points).

PL: Flávio Bolsonaro has 25.68% in the 2026 runoff, against 23.08% for Jair Bolsonaro in the 2022 runoff (+2.6 points).

President in Castelo do Piauí: 2026 and 2022 runoffs
Party2022% in 20222026% in 2026Change
PTLula76.92%Lula74.32%−2.6 points
PLJair Bolsonaro23.08%Flávio Bolsonaro25.68%+2.6 points

Analysis: Castelo do Piauí and Brazil

Lula got 6,146 votes more than Flávio Bolsonaro in Castelo do Piauí.

From the 1st round to the runoff, the gap between the two moved 5.46 points toward Lula in Castelo do Piauí, 0.01 points beyond Brazil (5.45 points toward Lula). Against the 2022 runoff, it moved 5.20 points toward the PL, 6.98 points short of Brazil.

The municipality kept its 1st-round and its 2022 side.

Abstention was 23.44% in the runoff (23.43% in the 1st round; in Brazil, 19.22%), and blank and null votes, 2.65% (4.71% in the 1st round).

More analyses of the election — who decided, vote transfer, polarization — at https://eleicoes2026brasil.com/en/analise.

President in Castelo do Piauí and in Brazil: the analysis's figures
IndicatorCastelo do PiauíBrazil
Lula's net votes+6,146+4,430,191
Lula's lead (points)+48.64+3.58
Change in the gap toward Lula since the 1st round (points)+5.46+5.45
Change in the gap toward the PT since 2022 (points)−5.20+1.78
Abstention in the runoff23.44%19.22%
Blank and null in the runoff2.65%3.24%

Frequently asked questions

Who won for president in Castelo do Piauí?

Lula (PT), with 74.32% of valid votes in Castelo do Piauí (PI).

How did the vote for president in Castelo do Piauí change from the 1st round to the runoff?

In the 1st round, on October 4, Lula (PT) got 69.27% of valid votes in Castelo do Piauí, and Flávio Bolsonaro (PL) got 26.09%; the other candidates added up to 4.64%. In the runoff, Lula got 74.32% (+5.05 points) and Flávio Bolsonaro got 25.68% (−0.41 points). Lula's lead rose from 43.18 points to 48.64 points.

Who won in Castelo do Piauí in the 2022 election?

In the 2022 1st round in Castelo do Piauí, Lula (PT) had 74.62% of valid votes and Jair Bolsonaro (PL) had 20.37%. In the 2022 runoff, Lula (PT) won in Castelo do Piauí with 76.92% of valid votes.

How did the presidential vote in Castelo do Piauí change compared with Brazil?

From the 1st round to the runoff, the gap between the two moved 5.46 points toward Lula in Castelo do Piauí, 0.01 points beyond Brazil (5.45 points toward Lula). Against the 2022 runoff, it moved 5.20 points toward the PL, 6.98 points short of Brazil. The municipality kept its 1st-round and its 2022 side.