PI · Piripiri immediate region

São João da Fronteira: how it voted for president

In the 2026 runoff, Lula won São João da Fronteira with 77.35% of valid votes against 22.65% for Flavio Bolsonaro: a margin of 54.69 points, 51.12 points left of Brazil.

Solid left

Lean versus Brazil: −60.94pts; Weighted mean of the municipality's right − left margin minus Brazil's in the 2026, 2022, 2018 and 2014 runoffs.
Electorate (2026): 5,375; 132th largest electorate in Piauí
Side changes: 1; Times the leading bloc changed from one election to the next, in 9 elections since 1994.
Bellwether?: No; Has voted for the national winner since 2022.

On the map of Piauí

2026 runoff, colored by margin: pale in tight races, deep in landslides. Click a municipality to open its page.

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← Left bloc aheadRight bloc ahead →

Margin in percentage points of valid votes (right − left).

Municipality, state and Brazil

Right − left margin in the 2026 runoff, in percentage points.

São João da Fronteira−54.69 pts
Piauí−51.75 pts
Brazil−3.57 pts

Negative = left ahead; positive = right ahead.

Margin over time

Right − left margin in each election (the runoff where there was one), compared with Brazil's.

Every election

Year	Round	Candidates (% of valid votes)	Margin (right − left)	Bloc ahead	Turnout
2026 10/25/2026	Round 2	Lula (PT)77.35% Flavio Bolsonaro (PL)22.65%	−54.69 pts	Left bloc	80.45%
2026 10/04/2026	Round 1	Lula (PT)72.31% Flavio Bolsonaro (PL)23.02% Escritor Augusto Cury (AVANTE)2.84% Ronaldo Caiado (PSD)0.89% +8 more Renan Santos (MISSÃO)0.84% Veterinário Wilson Grassi (DEMOCRATA)0.05% Zema (NOVO)0.02% Samara (UP)0.02% Hertz Dias (PSTU)0.00% Edmilson Costa (PCB)0.00% Clariana Barao (DC)0.00% Rui Costa Pimenta (PCO)0.00%	−50.35 pts	Left bloc	82.12%
2022 10/30/2022	Round 2	Lula (PT)82.34% Jair Bolsonaro (PL)17.66%	−64.67 pts	Left bloc	77.66%
2022 10/02/2022	Round 1	Lula (PT)81.22% Jair Bolsonaro (PL)14.00% Ciro Gomes (PDT)3.19% Soraya Thronicke (UNIÃO)0.86% +7 more Simone Tebet (MDB)0.70% Padre Kelmon (PTB)0.03% Vera (PSTU)0.00% Sofia Manzano (PCB)0.00% Constituinte Eymael (DC)0.00% Felipe D Avila (NOVO)0.00% Léo Péricles (UP)0.00%	−68.83 pts	Left bloc	80.48%
2018 10/28/2018	Round 2	Fernando Haddad (PT)86.88% Jair Bolsonaro (PSL)13.13%	−73.75 pts	Left bloc	78.84%
2018 10/07/2018	Round 1	Fernando Haddad (PT)71.22% Ciro Gomes (PDT)15.92% Jair Bolsonaro (PSL)9.50% Geraldo Alckmin (PSDB)1.54% +9 more Henrique Meirelles (MDB)0.71% Marina Silva (REDE)0.45% João Amoêdo (NOVO)0.30% Cabo Daciolo (PATRI)0.21% Alvaro Dias (PODE)0.09% Guilherme Boulos (PSOL)0.06% Vera (PSTU)0.00% Eymael (DC)0.00% João Goulart Filho (PPL)0.00%	−75.29 pts	Left bloc	80.92%
2014 10/26/2014	Round 2	Dilma (PT)75.80% Aécio Neves (PSDB)24.20%	−51.60 pts	Left bloc	69.68%
2014 10/05/2014	Round 1	Dilma (PT)70.75% Marina Silva (PSB)14.90% Aécio Neves (PSDB)13.23% Pastor Everaldo (PSC)0.62% +4 more Eduardo Jorge (PV)0.22% Luciana Genro (PSOL)0.19% Zé Maria (PSTU)0.06% Eymael (PSDC)0.03%	−72.24 pts	Left bloc	72.98%
2010 10/31/2010	Round 2	Dilma (PT)76.21% José Serra (PSDB)23.79%	−52.42 pts	Left bloc	75.07%
2010 10/03/2010	Round 1	Dilma (PT)78.65% José Serra (PSDB)16.43% Marina Silva (PV)4.66% Plínio (PSOL)0.20% +2 more Eymael (PSDC)0.03% Rui Costa Pimenta (PCO)0.03%	−67.08 pts	Left bloc	78.67%
2006 10/29/2006	Round 2	Lula (PT)82.76% Geraldo Alckmin (PSDB)17.24%	−65.51 pts	Left bloc	77.42%
2006 10/01/2006	Round 1	Lula (PT)68.82% Geraldo Alckmin (PSDB)28.06% Cristovam Buarque (PDT)2.21% Heloísa Helena (PSOL)0.69% +3 more Ana Maria Rangel (PRP)0.11% Luciano Bivar (PSL)0.07% José Maria Eymael (PSDC)0.04%	−43.45 pts	Left bloc	82.39%
2002 10/27/2002	Round 2	José Serra (PSDB)59.90% Lula (PT)40.10%	+19.79 pts	Right bloc	74.45%
2002 10/06/2002	Round 1	José Serra (PSDB)44.42% Ciro (PPS)27.26% Lula (PT)23.61% Garotinho (PSB)4.49% +2 more Zé Maria (PSTU)0.13% Rui Costa Pimenta (PCO)0.09%	−11.16 pts	Left bloc	84.55%
1998 10/04/1998	Round 1	Fernando Henrique (PSDB)65.09% Ciro Gomes (PPS)18.65% Lula (PT)7.24% Brigadeiro Ivan Frota (PMN)2.76% +8 more João de Deus Barbosa (PT do B)1.23% Enéas (PRONA)1.10% Eymael (PSDC)0.86% Thereza Ruiz (PTN)0.74% Zé Maria (PSTU)0.67% Sergio Bueno (PSC)0.61% Vasco Neto (PSN)0.61% Sirkis (PV)0.43%	+38.04 pts	Right bloc	92.95%
1994 10/03/1994	Round 1	Fernando Henrique Cardoso (PSDB)82.53% Luiz Inacio Lula da Silva (PT)9.07% Orestes Quercia (PMDB)3.07% Carlos Antonio Gomes (PRN)2.47% +4 more Leonel de Moura Brizola (PDT)1.33% Eneas Ferreira Carneiro (PRONA)1.00% Esperidiao Amin Helou Filho (PPR)0.47% Hernani Goulart Fortuna (PSC)0.07%	+79.20 pts	Right bloc	76.39%

Percentages of valid votes in the municipality. Turnout = voters over the electorate. Source: TSE.

When the municipality changed sides

2006(Round 2)·Right bloc→Left bloc

Other municipalities in the Piripiri immediate region

Find another municipality

Official TSE results by municipality (1994–2026); the 2026 runoff comes from the TSE's official results publication. Every municipality's index can be downloaded at /dados.