PI · Oeiras immediate region

São Miguel do Fidalgo: how it voted for president

In the 2026 runoff, Lula won São Miguel do Fidalgo with 86.29% of valid votes against 13.71% for Flavio Bolsonaro: a margin of 72.58 points, 69.01 points left of Brazil.

Solid left

Lean versus Brazil: −77.35pts; Weighted mean of the municipality's right − left margin minus Brazil's in the 2026, 2022, 2018 and 2014 runoffs.
Electorate (2026): 3,024; 213th largest electorate in Piauí
Side changes: 1; Times the leading bloc changed from one election to the next, in 8 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 Miguel do Fidalgo−72.58 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)86.29% Flavio Bolsonaro (PL)13.71%	−72.58 pts	Left bloc	75.00%
2026 10/04/2026	Round 1	Lula (PT)83.54% Flavio Bolsonaro (PL)14.74% Renan Santos (MISSÃO)0.69% Escritor Augusto Cury (AVANTE)0.56% +8 more Ronaldo Caiado (PSD)0.30% Samara (UP)0.13% Zema (NOVO)0.04% Hertz Dias (PSTU)0.00% Edmilson Costa (PCB)0.00% Clariana Barao (DC)0.00% Rui Costa Pimenta (PCO)0.00% Veterinário Wilson Grassi (DEMOCRATA)0.00%	−68.45 pts	Left bloc	78.59%
2022 10/30/2022	Round 2	Lula (PT)90.78% Jair Bolsonaro (PL)9.22%	−81.56 pts	Left bloc	74.09%
2022 10/02/2022	Round 1	Lula (PT)88.12% Jair Bolsonaro (PL)9.06% Ciro Gomes (PDT)1.58% Simone Tebet (MDB)0.66% +7 more Soraya Thronicke (UNIÃO)0.48% Sofia Manzano (PCB)0.04% Felipe D Avila (NOVO)0.04% Padre Kelmon (PTB)0.00% Vera (PSTU)0.00% Constituinte Eymael (DC)0.00% Léo Péricles (UP)0.00%	−79.50 pts	Left bloc	79.18%
2018 10/28/2018	Round 2	Fernando Haddad (PT)91.44% Jair Bolsonaro (PSL)8.56%	−82.89 pts	Left bloc	75.99%
2018 10/07/2018	Round 1	Fernando Haddad (PT)84.14% Jair Bolsonaro (PSL)7.14% Ciro Gomes (PDT)6.46% Henrique Meirelles (MDB)1.16% +9 more Geraldo Alckmin (PSDB)0.68% Marina Silva (REDE)0.16% Cabo Daciolo (PATRI)0.16% João Amoêdo (NOVO)0.05% Guilherme Boulos (PSOL)0.05% Vera (PSTU)0.00% Alvaro Dias (PODE)0.00% Eymael (DC)0.00% João Goulart Filho (PPL)0.00%	−81.62 pts	Left bloc	81.23%
2014 10/26/2014	Round 2	Dilma (PT)87.60% Aécio Neves (PSDB)12.40%	−75.20 pts	Left bloc	67.49%
2014 10/05/2014	Round 1	Dilma (PT)83.49% Aécio Neves (PSDB)8.31% Marina Silva (PSB)7.97% Luciana Genro (PSOL)0.17% +1 more Rui Costa Pimenta (PCO)0.06%	−83.37 pts	Left bloc	74.18%
2010 10/31/2010	Round 2	Dilma (PT)66.24% José Serra (PSDB)33.76%	−32.48 pts	Left bloc	71.65%
2010 10/03/2010	Round 1	Dilma (PT)66.10% José Serra (PSDB)26.37% Marina Silva (PV)7.34% Zé Maria (PSTU)0.19%	−47.27 pts	Left bloc	77.04%
2006 10/29/2006	Round 2	Lula (PT)84.83% Geraldo Alckmin (PSDB)15.17%	−69.66 pts	Left bloc	81.82%
2006 10/01/2006	Round 1	Lula (PT)78.81% Geraldo Alckmin (PSDB)19.25% Heloísa Helena (PSOL)1.06% Cristovam Buarque (PDT)0.65% +1 more Ana Maria Rangel (PRP)0.23%	−61.03 pts	Left bloc	87.52%
2002 10/27/2002	Round 2	Lula (PT)59.89% José Serra (PSDB)40.11%	−19.78 pts	Left bloc	76.57%
2002 10/06/2002	Round 1	Lula (PT)52.59% José Serra (PSDB)35.03% Ciro (PPS)6.60% Garotinho (PSB)5.70% +1 more Zé Maria (PSTU)0.08%	−29.93 pts	Left bloc	83.73%
1998 10/04/1998	Round 1	Fernando Henrique (PSDB)67.29% Lula (PT)15.86% Ciro Gomes (PPS)4.52% Brigadeiro Ivan Frota (PMN)3.19% +8 more Zé Maria (PSTU)1.76% Enéas (PRONA)1.76% Sirkis (PV)1.54% Sergio Bueno (PSC)1.10% Eymael (PSDC)0.99% João de Deus Barbosa (PT do B)0.99% Vasco Neto (PSN)0.55% Thereza Ruiz (PTN)0.44%	+44.27 pts	Right bloc	94.27%

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

When the municipality changed sides

2002(Round 2)·Right bloc→Left bloc

Other municipalities in the Oeiras 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.