RO · Cacoal immediate region

Castanheiras: how it voted for president

In the 2026 runoff, Flavio Bolsonaro won Castanheiras with 63.66% of valid votes against 36.34% for Lula: a margin of 27.32 points, 30.89 points right of Brazil.

Solid right

Lean versus Brazil: +19.06pts; Weighted mean of the municipality's right − left margin minus Brazil's in the 2026, 2022, 2018 and 2014 runoffs.
Electorate (2026): 3,409; 50th largest electorate in Rondônia
Side changes: 2; Times the leading bloc changed from one election to the next, in 9 elections since 1994.
Bellwether?: No; Did not vote for the national winner in the 2026 runoff.

On the map of Rondônia

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.

Castanheiras+27.32 pts
Rondônia+39.22 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	Flavio Bolsonaro (PL)63.66% Lula (PT)36.34%	+27.32 pts	Right bloc	77.35%
2026 10/04/2026	Round 1	Flavio Bolsonaro (PL)60.89% Lula (PT)33.12% Ronaldo Caiado (PSD)2.11% Escritor Augusto Cury (AVANTE)2.07% +8 more Renan Santos (MISSÃO)1.70% Zema (NOVO)0.11% 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% Samara (UP)0.00%	+29.62 pts	Right bloc	79.64%
2022 10/30/2022	Round 2	Jair Bolsonaro (PL)61.14% Lula (PT)38.86%	+22.27 pts	Right bloc	74.35%
2022 10/02/2022	Round 1	Jair Bolsonaro (PL)54.93% Lula (PT)39.42% Simone Tebet (MDB)2.89% Ciro Gomes (PDT)1.78% +7 more Soraya Thronicke (UNIÃO)0.71% Felipe D Avila (NOVO)0.13% Padre Kelmon (PTB)0.04% Sofia Manzano (PCB)0.04% Constituinte Eymael (DC)0.04% Vera (PSTU)0.00% Léo Péricles (UP)0.00%	+17.51 pts	Right bloc	74.67%
2018 10/28/2018	Round 2	Jair Bolsonaro (PSL)58.82% Fernando Haddad (PT)41.18%	+17.65 pts	Right bloc	73.44%
2018 10/07/2018	Round 1	Jair Bolsonaro (PSL)48.04% Fernando Haddad (PT)34.38% Geraldo Alckmin (PSDB)6.43% Ciro Gomes (PDT)5.31% +9 more Alvaro Dias (PODE)1.52% Henrique Meirelles (MDB)1.47% João Amoêdo (NOVO)0.98% Marina Silva (REDE)0.94% Cabo Daciolo (PATRI)0.54% Guilherme Boulos (PSOL)0.36% Vera (PSTU)0.04% Eymael (DC)0.00% João Goulart Filho (PPL)0.00%	+17.95 pts	Right bloc	76.28%
2014 10/26/2014	Round 2	Dilma (PT)61.62% Aécio Neves (PSDB)38.38%	−23.23 pts	Left bloc	78.19%
2014 10/05/2014	Round 1	Dilma (PT)59.52% Aécio Neves (PSDB)34.57% Marina Silva (PSB)4.90% Luciana Genro (PSOL)0.32% +6 more Pastor Everaldo (PSC)0.23% Levy Fidelix (PRTB)0.18% Zé Maria (PSTU)0.14% Eymael (PSDC)0.05% Rui Costa Pimenta (PCO)0.05% Eduardo Jorge (PV)0.05%	−29.95 pts	Left bloc	83.40%
2010 10/31/2010	Round 2	Dilma (PT)57.90% José Serra (PSDB)42.10%	−15.79 pts	Left bloc	71.66%
2010 10/03/2010	Round 1	Dilma (PT)54.14% José Serra (PSDB)40.74% Marina Silva (PV)4.68% Plínio (PSOL)0.24% +4 more Zé Maria (PSTU)0.08% Eymael (PSDC)0.04% Levy Fidelix (PRTB)0.04% Rui Costa Pimenta (PCO)0.04%	−18.35 pts	Left bloc	77.41%
2006 10/29/2006	Round 2	Lula (PT)60.46% Geraldo Alckmin (PSDB)39.54%	−20.92 pts	Left bloc	76.94%
2006 10/01/2006	Round 1	Lula (PT)51.80% Geraldo Alckmin (PSDB)41.59% Heloísa Helena (PSOL)4.51% Cristovam Buarque (PDT)1.93% +2 more Ana Maria Rangel (PRP)0.13% Luciano Bivar (PSL)0.04%	−16.46 pts	Left bloc	82.77%
2002 10/27/2002	Round 2	Lula (PT)58.02% José Serra (PSDB)41.98%	−16.03 pts	Left bloc	84.65%
2002 10/06/2002	Round 1	Lula (PT)52.43% José Serra (PSDB)21.22% Garotinho (PSB)18.55% Ciro (PPS)7.47% +1 more Zé Maria (PSTU)0.33%	−57.56 pts	Left bloc	89.86%
1998 10/04/1998	Round 1	Fernando Henrique (PSDB)72.97% Lula (PT)20.32% Ciro Gomes (PPS)2.04% Enéas (PRONA)1.10% +8 more Sergio Bueno (PSC)0.89% Brigadeiro Ivan Frota (PMN)0.68% Zé Maria (PSTU)0.52% João de Deus Barbosa (PT do B)0.52% Sirkis (PV)0.42% Eymael (PSDC)0.26% Thereza Ruiz (PTN)0.16% Vasco Neto (PSN)0.10%	+50.97 pts	Right bloc	72.38%
1994 10/03/1994	Round 1	Fernando Henrique Cardoso (PSDB)59.77% Luiz Inacio Lula da Silva (PT)29.63% Orestes Quercia (PMDB)4.68% Eneas Ferreira Carneiro (PRONA)2.27% +4 more Leonel de Moura Brizola (PDT)2.19% Esperidiao Amin Helou Filho (PPR)0.80% Carlos Antonio Gomes (PRN)0.51% Hernani Goulart Fortuna (PSC)0.15%	+36.36 pts	Right bloc	67.96%

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
2018(Round 2)·Left bloc→Right bloc

Other municipalities in the Cacoal 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.