PI · Corrente immediate region

Riacho Frio: how it voted for president

In the 2026 runoff, Lula won Riacho Frio with 86.25% of valid votes against 13.75% for Flavio Bolsonaro: a margin of 72.50 points, 68.93 points left of Brazil.

Solid left

Lean versus Brazil: −75.77pts; Weighted mean of the municipality's right − left margin minus Brazil's in the 2026, 2022, 2018 and 2014 runoffs.
Electorate (2026): 4,493; 171th 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.

Riacho Frio−72.50 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)86.25% Flavio Bolsonaro (PL)13.75%	−72.50 pts	Left bloc	79.50%
2026 10/04/2026	Round 1	Lula (PT)82.80% Flavio Bolsonaro (PL)13.85% Escritor Augusto Cury (AVANTE)1.35% Ronaldo Caiado (PSD)1.24% +8 more Renan Santos (MISSÃO)0.71% Clariana Barao (DC)0.06% Hertz Dias (PSTU)0.00% Edmilson Costa (PCB)0.00% Rui Costa Pimenta (PCO)0.00% Zema (NOVO)0.00% Veterinário Wilson Grassi (DEMOCRATA)0.00% Samara (UP)0.00%	−68.30 pts	Left bloc	81.41%
2022 10/30/2022	Round 2	Lula (PT)89.28% Jair Bolsonaro (PL)10.72%	−78.56 pts	Left bloc	80.08%
2022 10/02/2022	Round 1	Lula (PT)87.11% Jair Bolsonaro (PL)9.15% Simone Tebet (MDB)1.47% Ciro Gomes (PDT)1.41% +7 more Soraya Thronicke (UNIÃO)0.80% Padre Kelmon (PTB)0.06% 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%	−77.04 pts	Left bloc	82.62%
2018 10/28/2018	Round 2	Fernando Haddad (PT)89.14% Jair Bolsonaro (PSL)10.86%	−78.28 pts	Left bloc	81.41%
2018 10/07/2018	Round 1	Fernando Haddad (PT)80.05% Jair Bolsonaro (PSL)8.24% Ciro Gomes (PDT)7.42% Geraldo Alckmin (PSDB)2.11% +9 more Henrique Meirelles (MDB)1.16% João Amoêdo (NOVO)0.31% Guilherme Boulos (PSOL)0.27% Marina Silva (REDE)0.17% Alvaro Dias (PODE)0.10% Cabo Daciolo (PATRI)0.10% Vera (PSTU)0.03% João Goulart Filho (PPL)0.03% Eymael (DC)0.00%	−75.97 pts	Left bloc	84.29%
2014 10/26/2014	Round 2	Dilma (PT)88.96% Aécio Neves (PSDB)11.04%	−77.93 pts	Left bloc	69.08%
2014 10/05/2014	Round 1	Dilma (PT)84.30% Marina Silva (PSB)8.49% Aécio Neves (PSDB)6.75% Pastor Everaldo (PSC)0.14% +4 more Levy Fidelix (PRTB)0.11% Luciana Genro (PSOL)0.11% Eduardo Jorge (PV)0.07% Zé Maria (PSTU)0.04%	−86.00 pts	Left bloc	73.96%
2010 10/31/2010	Round 2	Dilma (PT)85.82% José Serra (PSDB)14.18%	−71.64 pts	Left bloc	75.01%
2010 10/03/2010	Round 1	Dilma (PT)84.67% José Serra (PSDB)9.28% Marina Silva (PV)5.65% Plínio (PSOL)0.22% +3 more Zé Maria (PSTU)0.11% Ivan Pinheiro (PCB)0.04% Levy Fidelix (PRTB)0.04%	−81.37 pts	Left bloc	80.24%
2006 10/29/2006	Round 2	Lula (PT)89.31% Geraldo Alckmin (PSDB)10.69%	−78.61 pts	Left bloc	76.96%
2006 10/01/2006	Round 1	Lula (PT)83.53% Geraldo Alckmin (PSDB)14.78% Cristovam Buarque (PDT)0.86% Heloísa Helena (PSOL)0.76% +2 more Luciano Bivar (PSL)0.03% Ana Maria Rangel (PRP)0.03%	−70.31 pts	Left bloc	85.13%
2002 10/27/2002	Round 2	Lula (PT)58.24% José Serra (PSDB)41.76%	−16.49 pts	Left bloc	80.94%
2002 10/06/2002	Round 1	Lula (PT)43.76% José Serra (PSDB)36.01% Ciro (PPS)16.35% Garotinho (PSB)3.83% +1 more Zé Maria (PSTU)0.05%	−27.98 pts	Left bloc	85.81%
1998 10/04/1998	Round 1	Fernando Henrique (PSDB)87.60% Ciro Gomes (PPS)4.40% Lula (PT)3.52% Brigadeiro Ivan Frota (PMN)1.36% +8 more Zé Maria (PSTU)0.68% João de Deus Barbosa (PT do B)0.68% Enéas (PRONA)0.47% Eymael (PSDC)0.41% Thereza Ruiz (PTN)0.27% Sirkis (PV)0.27% Sergio Bueno (PSC)0.20% Vasco Neto (PSN)0.14%	+78.18 pts	Right bloc	66.26%
1994 10/03/1994	Round 1	Fernando Henrique Cardoso (PSDB)81.82% Luiz Inacio Lula da Silva (PT)9.38% Orestes Quercia (PMDB)4.91% Eneas Ferreira Carneiro (PRONA)1.30% +4 more Carlos Antonio Gomes (PRN)1.15% Leonel de Moura Brizola (PDT)0.58% Esperidiao Amin Helou Filho (PPR)0.43% Hernani Goulart Fortuna (PSC)0.43%	+80.09 pts	Right bloc	63.65%

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 Corrente immediate region

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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.