PI · Amarante - Água Branca - Regeneração immediate region

São Pedro do Piauí: how it voted for president

In the 2026 runoff, Lula won São Pedro do Piauí with 76.27% of valid votes against 23.73% for Flavio Bolsonaro: a margin of 52.53 points, 48.96 points left of Brazil.

Solid left

Lean versus Brazil: −54.37pts; Weighted mean of the municipality's right − left margin minus Brazil's in the 2026, 2022, 2018 and 2014 runoffs.
Electorate (2026): 11,541; 44th 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.

Loading municipalities…

Hover or tap a municipality; click to open its page.

← 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 Pedro do Piauí−52.53 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)76.27% Flavio Bolsonaro (PL)23.73%	−52.53 pts	Left bloc	82.15%
2026 10/04/2026	Round 1	Lula (PT)72.44% Flavio Bolsonaro (PL)23.71% Escritor Augusto Cury (AVANTE)1.90% Renan Santos (MISSÃO)1.27% +8 more Ronaldo Caiado (PSD)0.60% Hertz Dias (PSTU)0.03% Samara (UP)0.02% Zema (NOVO)0.01% Veterinário Wilson Grassi (DEMOCRATA)0.01% Edmilson Costa (PCB)0.00% Clariana Barao (DC)0.00% Rui Costa Pimenta (PCO)0.00%	−48.79 pts	Left bloc	83.17%
2022 10/30/2022	Round 2	Lula (PT)77.91% Jair Bolsonaro (PL)22.09%	−55.81 pts	Left bloc	81.48%
2022 10/02/2022	Round 1	Lula (PT)75.95% Jair Bolsonaro (PL)18.92% Ciro Gomes (PDT)2.62% Simone Tebet (MDB)1.45% +7 more Soraya Thronicke (UNIÃO)0.86% Felipe D Avila (NOVO)0.13% Vera (PSTU)0.03% Padre Kelmon (PTB)0.02% Constituinte Eymael (DC)0.01% Sofia Manzano (PCB)0.00% Léo Péricles (UP)0.00%	−57.21 pts	Left bloc	82.80%
2018 10/28/2018	Round 2	Fernando Haddad (PT)78.48% Jair Bolsonaro (PSL)21.52%	−56.96 pts	Left bloc	85.32%
2018 10/07/2018	Round 1	Fernando Haddad (PT)70.38% Jair Bolsonaro (PSL)18.07% Ciro Gomes (PDT)6.40% Geraldo Alckmin (PSDB)2.48% +9 more Henrique Meirelles (MDB)0.93% Marina Silva (REDE)0.57% João Amoêdo (NOVO)0.40% Alvaro Dias (PODE)0.24% Cabo Daciolo (PATRI)0.24% Guilherme Boulos (PSOL)0.22% Eymael (DC)0.04% Vera (PSTU)0.02% João Goulart Filho (PPL)0.01%	−55.22 pts	Left bloc	89.44%
2014 10/26/2014	Round 2	Dilma (PT)77.36% Aécio Neves (PSDB)22.64%	−54.73 pts	Left bloc	72.98%
2014 10/05/2014	Round 1	Dilma (PT)72.25% Aécio Neves (PSDB)14.75% Marina Silva (PSB)11.99% Luciana Genro (PSOL)0.44% +5 more Pastor Everaldo (PSC)0.29% Eduardo Jorge (PV)0.13% Levy Fidelix (PRTB)0.08% Zé Maria (PSTU)0.04% Eymael (PSDC)0.03%	−69.70 pts	Left bloc	76.27%
2010 10/31/2010	Round 2	Dilma (PT)67.70% José Serra (PSDB)32.30%	−35.41 pts	Left bloc	73.43%
2010 10/03/2010	Round 1	Dilma (PT)66.50% José Serra (PSDB)23.30% Marina Silva (PV)9.80% Plínio (PSOL)0.16% +5 more Levy Fidelix (PRTB)0.11% Zé Maria (PSTU)0.04% Eymael (PSDC)0.04% Rui Costa Pimenta (PCO)0.03% Ivan Pinheiro (PCB)0.01%	−53.09 pts	Left bloc	76.55%
2006 10/29/2006	Round 2	Lula (PT)74.64% Geraldo Alckmin (PSDB)25.36%	−49.28 pts	Left bloc	79.18%
2006 10/01/2006	Round 1	Lula (PT)65.44% Geraldo Alckmin (PSDB)30.82% Cristovam Buarque (PDT)1.84% Heloísa Helena (PSOL)1.55% +3 more Ana Maria Rangel (PRP)0.19% Luciano Bivar (PSL)0.11% José Maria Eymael (PSDC)0.04%	−37.67 pts	Left bloc	83.33%
2002 10/27/2002	Round 2	José Serra (PSDB)52.36% Lula (PT)47.64%	+4.72 pts	Right bloc	78.37%
2002 10/06/2002	Round 1	José Serra (PSDB)47.40% Lula (PT)39.85% Garotinho (PSB)7.28% Ciro (PPS)5.37% +2 more Zé Maria (PSTU)0.07% Rui Costa Pimenta (PCO)0.02%	−5.20 pts	Left bloc	83.81%
1998 10/04/1998	Round 1	Fernando Henrique (PSDB)58.19% Lula (PT)18.38% Ciro Gomes (PPS)14.08% Enéas (PRONA)2.17% +8 more Brigadeiro Ivan Frota (PMN)1.84% Zé Maria (PSTU)1.45% João de Deus Barbosa (PT do B)1.21% Vasco Neto (PSN)0.68% Thereza Ruiz (PTN)0.63% Eymael (PSDC)0.61% Sergio Bueno (PSC)0.41% Sirkis (PV)0.35%	+25.38 pts	Right bloc	70.97%
1994 10/03/1994	Round 1	Fernando Henrique Cardoso (PSDB)65.67% Luiz Inacio Lula da Silva (PT)18.59% Orestes Quercia (PMDB)8.63% Eneas Ferreira Carneiro (PRONA)3.20% +4 more Carlos Antonio Gomes (PRN)1.85% Esperidiao Amin Helou Filho (PPR)0.88% Leonel de Moura Brizola (PDT)0.71% Hernani Goulart Fortuna (PSC)0.47%	+61.39 pts	Right bloc	78.51%

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 Amarante - Água Branca - Regeneração 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.