MA · Barreirinhas immediate region

Humberto de Campos: how it voted for president

In the 2026 runoff, Lula won Humberto de Campos with 83.17% of valid votes against 16.83% for Flavio Bolsonaro: a margin of 66.34 points, 62.77 points left of Brazil.

Solid left

Lean versus Brazil: −66.88pts; Weighted mean of the municipality's right − left margin minus Brazil's in the 2026, 2022, 2018 and 2014 runoffs.
Electorate (2026): 23,442; 52th largest electorate in Maranhão
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 Maranhão

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.

Humberto de Campos−66.34 pts
Maranhão−39.08 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)83.17% Flavio Bolsonaro (PL)16.83%	−66.34 pts	Left bloc	71.70%
2026 10/04/2026	Round 1	Lula (PT)77.27% Flavio Bolsonaro (PL)18.45% Escritor Augusto Cury (AVANTE)1.96% Ronaldo Caiado (PSD)1.20% +8 more Renan Santos (MISSÃO)0.99% Zema (NOVO)0.07% Hertz Dias (PSTU)0.02% Edmilson Costa (PCB)0.02% Samara (UP)0.01% Rui Costa Pimenta (PCO)0.01% Clariana Barao (DC)0.00% Veterinário Wilson Grassi (DEMOCRATA)0.00%	−58.56 pts	Left bloc	79.23%
2022 10/30/2022	Round 2	Lula (PT)82.63% Jair Bolsonaro (PL)17.37%	−65.26 pts	Left bloc	66.93%
2022 10/02/2022	Round 1	Lula (PT)79.90% Jair Bolsonaro (PL)16.14% Ciro Gomes (PDT)1.79% Simone Tebet (MDB)1.77% +7 more Soraya Thronicke (UNIÃO)0.22% Padre Kelmon (PTB)0.12% Felipe D Avila (NOVO)0.02% Léo Péricles (UP)0.02% Sofia Manzano (PCB)0.01% Vera (PSTU)0.00% Constituinte Eymael (DC)0.00%	−63.45 pts	Left bloc	74.06%
2018 10/28/2018	Round 2	Fernando Haddad (PT)84.35% Jair Bolsonaro (PSL)15.65%	−68.70 pts	Left bloc	60.16%
2018 10/07/2018	Round 1	Fernando Haddad (PT)76.34% Jair Bolsonaro (PSL)14.90% Ciro Gomes (PDT)4.14% Henrique Meirelles (MDB)1.55% +9 more Geraldo Alckmin (PSDB)1.34% Marina Silva (REDE)0.54% Cabo Daciolo (PATRI)0.41% Guilherme Boulos (PSOL)0.29% João Amoêdo (NOVO)0.19% Alvaro Dias (PODE)0.13% Vera (PSTU)0.08% Eymael (DC)0.06% João Goulart Filho (PPL)0.05%	−62.84 pts	Left bloc	71.36%
2014 10/26/2014	Round 2	Dilma (PT)86.37% Aécio Neves (PSDB)13.63%	−72.73 pts	Left bloc	61.14%
2014 10/05/2014	Round 1	Dilma (PT)79.86% Marina Silva (PSB)13.86% Aécio Neves (PSDB)5.29% Pastor Everaldo (PSC)0.30% +7 more Eduardo Jorge (PV)0.23% Levy Fidelix (PRTB)0.19% Luciana Genro (PSOL)0.17% Mauro Iasi (PCB)0.04% Eymael (PSDC)0.04% Zé Maria (PSTU)0.02% Rui Costa Pimenta (PCO)0.00%	−88.38 pts	Left bloc	74.67%
2010 10/31/2010	Round 2	Dilma (PT)91.90% José Serra (PSDB)8.10%	−83.80 pts	Left bloc	61.55%
2010 10/03/2010	Round 1	Dilma (PT)87.27% Marina Silva (PV)6.83% José Serra (PSDB)5.59% Plínio (PSOL)0.13% +5 more Zé Maria (PSTU)0.09% Levy Fidelix (PRTB)0.04% Ivan Pinheiro (PCB)0.02% Eymael (PSDC)0.02% Rui Costa Pimenta (PCO)0.01%	−88.69 pts	Left bloc	74.57%
2006 10/29/2006	Round 2	Lula (PT)95.20% Geraldo Alckmin (PSDB)4.80%	−90.40 pts	Left bloc	72.64%
2006 10/01/2006	Round 1	Lula (PT)90.14% Geraldo Alckmin (PSDB)6.31% Cristovam Buarque (PDT)2.04% Heloísa Helena (PSOL)1.25% +3 more Luciano Bivar (PSL)0.13% Ana Maria Rangel (PRP)0.08% José Maria Eymael (PSDC)0.04%	−86.87 pts	Left bloc	83.63%
2002 10/27/2002	Round 2	Lula (PT)58.60% José Serra (PSDB)41.40%	−17.20 pts	Left bloc	56.76%
2002 10/06/2002	Round 1	Lula (PT)50.69% Garotinho (PSB)23.81% Ciro (PPS)13.46% José Serra (PSDB)11.81% +2 more Zé Maria (PSTU)0.22% Rui Costa Pimenta (PCO)0.01%	−76.37 pts	Left bloc	80.96%
1998 10/04/1998	Round 1	Fernando Henrique (PSDB)47.10% Lula (PT)31.02% Ciro Gomes (PPS)10.96% Enéas (PRONA)2.70% +8 more João de Deus Barbosa (PT do B)1.70% Brigadeiro Ivan Frota (PMN)1.63% Sirkis (PV)1.46% Eymael (PSDC)0.94% Zé Maria (PSTU)0.87% Vasco Neto (PSN)0.57% Thereza Ruiz (PTN)0.54% Sergio Bueno (PSC)0.52%	+4.72 pts	Right bloc	61.12%
1994 10/03/1994	Round 1	Fernando Henrique Cardoso (PSDB)70.03% Luiz Inacio Lula da Silva (PT)19.82% Orestes Quercia (PMDB)2.64% Eneas Ferreira Carneiro (PRONA)2.62% +4 more Carlos Antonio Gomes (PRN)1.85% Leonel de Moura Brizola (PDT)1.51% Esperidiao Amin Helou Filho (PPR)1.01% Hernani Goulart Fortuna (PSC)0.52%	+57.35 pts	Right bloc	63.31%

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 Barreirinhas 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.