PI · Picos immediate region

Francisco Santos: how it voted for president

In the 2026 runoff, Lula won Francisco Santos with 82.06% of valid votes against 17.94% for Flavio Bolsonaro: a margin of 64.11 points, 60.54 points left of Brazil.

Solid left

Lean versus Brazil: −64.59pts; Weighted mean of the municipality's right − left margin minus Brazil's in the 2026, 2022, 2018 and 2014 runoffs.
Electorate (2026): 7,086; 80th largest electorate in Piauí
Side changes: 0; 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.

Francisco Santos−64.11 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)82.06% Flavio Bolsonaro (PL)17.94%	−64.11 pts	Left bloc	80.62%
2026 10/04/2026	Round 1	Lula (PT)77.94% Flavio Bolsonaro (PL)17.15% Renan Santos (MISSÃO)2.36% Escritor Augusto Cury (AVANTE)1.65% +8 more Ronaldo Caiado (PSD)0.73% Zema (NOVO)0.07% Samara (UP)0.04% Hertz Dias (PSTU)0.02% Edmilson Costa (PCB)0.02% Clariana Barao (DC)0.02% Veterinário Wilson Grassi (DEMOCRATA)0.02% Rui Costa Pimenta (PCO)0.00%	−59.33 pts	Left bloc	82.94%
2022 10/30/2022	Round 2	Lula (PT)84.19% Jair Bolsonaro (PL)15.81%	−68.38 pts	Left bloc	78.88%
2022 10/02/2022	Round 1	Lula (PT)80.57% Jair Bolsonaro (PL)13.61% Ciro Gomes (PDT)3.22% Simone Tebet (MDB)1.56% +7 more Soraya Thronicke (UNIÃO)0.59% Felipe D Avila (NOVO)0.21% Padre Kelmon (PTB)0.16% Vera (PSTU)0.02% Sofia Manzano (PCB)0.02% Constituinte Eymael (DC)0.02% Léo Péricles (UP)0.02%	−67.69 pts	Left bloc	80.62%
2018 10/28/2018	Round 2	Fernando Haddad (PT)82.38% Jair Bolsonaro (PSL)17.62%	−64.77 pts	Left bloc	74.56%
2018 10/07/2018	Round 1	Fernando Haddad (PT)64.11% Ciro Gomes (PDT)16.96% Jair Bolsonaro (PSL)13.69% Geraldo Alckmin (PSDB)2.54% +9 more Henrique Meirelles (MDB)0.67% João Amoêdo (NOVO)0.60% Cabo Daciolo (PATRI)0.54% Marina Silva (REDE)0.37% Alvaro Dias (PODE)0.24% Guilherme Boulos (PSOL)0.15% Vera (PSTU)0.07% Eymael (DC)0.04% João Goulart Filho (PPL)0.00%	−63.35 pts	Left bloc	78.81%
2014 10/26/2014	Round 2	Dilma (PT)78.62% Aécio Neves (PSDB)21.38%	−57.23 pts	Left bloc	78.18%
2014 10/05/2014	Round 1	Dilma (PT)76.24% Marina Silva (PSB)11.51% Aécio Neves (PSDB)11.32% Pastor Everaldo (PSC)0.33% +5 more Levy Fidelix (PRTB)0.25% Eduardo Jorge (PV)0.15% Luciana Genro (PSOL)0.10% Zé Maria (PSTU)0.06% Eymael (PSDC)0.04%	−76.13 pts	Left bloc	81.48%
2010 10/31/2010	Round 2	Dilma (PT)79.25% José Serra (PSDB)20.75%	−58.49 pts	Left bloc	73.03%
2010 10/03/2010	Round 1	Dilma (PT)72.47% José Serra (PSDB)17.39% Marina Silva (PV)9.03% Plínio (PSOL)0.79% +5 more Eymael (PSDC)0.16% Zé Maria (PSTU)0.08% Levy Fidelix (PRTB)0.04% Ivan Pinheiro (PCB)0.02% Rui Costa Pimenta (PCO)0.02%	−64.81 pts	Left bloc	79.18%
2006 10/29/2006	Round 2	Lula (PT)76.00% Geraldo Alckmin (PSDB)24.00%	−51.99 pts	Left bloc	79.65%
2006 10/01/2006	Round 1	Lula (PT)66.16% Geraldo Alckmin (PSDB)28.90% Cristovam Buarque (PDT)2.52% Heloísa Helena (PSOL)2.25% +3 more Luciano Bivar (PSL)0.07% Ana Maria Rangel (PRP)0.07% José Maria Eymael (PSDC)0.04%	−41.84 pts	Left bloc	85.35%
2002 10/27/2002	Round 2	Lula (PT)67.77% José Serra (PSDB)32.23%	−35.53 pts	Left bloc	72.02%
2002 10/06/2002	Round 1	Lula (PT)60.82% Ciro (PPS)20.83% José Serra (PSDB)12.06% Garotinho (PSB)6.08% +1 more Zé Maria (PSTU)0.21%	−75.88 pts	Left bloc	81.88%
1998 10/04/1998	Round 1	Lula (PT)41.05% Ciro Gomes (PPS)32.51% Fernando Henrique (PSDB)19.60% Brigadeiro Ivan Frota (PMN)1.38% +8 more João de Deus Barbosa (PT do B)1.32% Enéas (PRONA)1.25% Sergio Bueno (PSC)0.61% Sirkis (PV)0.54% Eymael (PSDC)0.51% Zé Maria (PSTU)0.47% Thereza Ruiz (PTN)0.47% Vasco Neto (PSN)0.30%	−54.54 pts	Left bloc	81.29%
1994 10/03/1994	Round 1	Luiz Inacio Lula da Silva (PT)54.75% Fernando Henrique Cardoso (PSDB)36.22% Orestes Quercia (PMDB)4.12% Eneas Ferreira Carneiro (PRONA)1.65% +4 more Carlos Antonio Gomes (PRN)1.27% Esperidiao Amin Helou Filho (PPR)0.96% Leonel de Moura Brizola (PDT)0.69% Hernani Goulart Fortuna (PSC)0.34%	−10.88 pts	Left bloc	76.00%

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

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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.