RS · Santa Maria immediate region

São Martinho da Serra: how it voted for president

In the 2026 runoff, Flavio Bolsonaro won São Martinho da Serra with 64.74% of valid votes against 35.26% for Lula: a margin of 29.48 points, 33.05 points right of Brazil.

Solid right

Lean versus Brazil: +26.24pts; Weighted mean of the municipality's right − left margin minus Brazil's in the 2026, 2022, 2018 and 2014 runoffs.
Electorate (2026): 3,156; 342th largest electorate in Rio Grande do Sul
Side changes: 0; 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 Rio Grande do Sul

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 Martinho da Serra+29.48 pts
Rio Grande do Sul+15.67 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)64.74% Lula (PT)35.26%	+29.48 pts	Right bloc	80.48%
2026 10/04/2026	Round 1	Flavio Bolsonaro (PL)62.34% Lula (PT)29.85% Ronaldo Caiado (PSD)4.06% Escritor Augusto Cury (AVANTE)2.01% +8 more Renan Santos (MISSÃO)1.54% Zema (NOVO)0.17% Samara (UP)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%	+36.21 pts	Right bloc	77.70%
2022 10/30/2022	Round 2	Jair Bolsonaro (PL)58.74% Lula (PT)41.26%	+17.49 pts	Right bloc	81.16%
2022 10/02/2022	Round 1	Jair Bolsonaro (PL)53.82% Lula (PT)39.13% Simone Tebet (MDB)4.60% Ciro Gomes (PDT)1.65% +7 more Soraya Thronicke (UNIÃO)0.46% Felipe D Avila (NOVO)0.25% Padre Kelmon (PTB)0.04% Léo Péricles (UP)0.04% Vera (PSTU)0.00% Sofia Manzano (PCB)0.00% Constituinte Eymael (DC)0.00%	+18.36 pts	Right bloc	79.79%
2018 10/28/2018	Round 2	Jair Bolsonaro (PSL)67.01% Fernando Haddad (PT)32.99%	+34.01 pts	Right bloc	80.38%
2018 10/07/2018	Round 1	Jair Bolsonaro (PSL)60.39% Fernando Haddad (PT)22.96% Geraldo Alckmin (PSDB)7.94% Ciro Gomes (PDT)5.49% +9 more Henrique Meirelles (MDB)1.45% Marina Silva (REDE)0.73% João Amoêdo (NOVO)0.32% Guilherme Boulos (PSOL)0.27% Alvaro Dias (PODE)0.23% João Goulart Filho (PPL)0.18% Vera (PSTU)0.05% Eymael (DC)0.00% Cabo Daciolo (PATRI)0.00%	+40.65 pts	Right bloc	81.63%
2014 10/26/2014	Round 2	Aécio Neves (PSDB)60.76% Dilma (PT)39.24%	+21.51 pts	Right bloc	87.22%
2014 10/05/2014	Round 1	Aécio Neves (PSDB)46.67% Dilma (PT)39.65% Marina Silva (PSB)12.31% Luciana Genro (PSOL)0.64% +3 more Pastor Everaldo (PSC)0.55% Levy Fidelix (PRTB)0.14% Eduardo Jorge (PV)0.05%	−5.29 pts	Left bloc	88.14%
2010 10/31/2010	Round 2	José Serra (PSDB)58.54% Dilma (PT)41.46%	+17.08 pts	Right bloc	84.13%
2010 10/03/2010	Round 1	José Serra (PSDB)47.86% Dilma (PT)43.18% Marina Silva (PV)8.22% Plínio (PSOL)0.57% +2 more Zé Maria (PSTU)0.09% Eymael (PSDC)0.09%	−4.11 pts	Left bloc	86.35%
2006 10/29/2006	Round 2	Geraldo Alckmin (PSDB)63.99% Lula (PT)36.01%	+27.98 pts	Right bloc	89.44%
2006 10/01/2006	Round 1	Geraldo Alckmin (PSDB)64.62% Lula (PT)30.81% Heloísa Helena (PSOL)2.51% Cristovam Buarque (PDT)1.75% +3 more José Maria Eymael (PSDC)0.13% Luciano Bivar (PSL)0.09% Ana Maria Rangel (PRP)0.09%	+29.87 pts	Right bloc	90.66%
2002 10/27/2002	Round 2	José Serra (PSDB)60.92% Lula (PT)39.08%	+21.85 pts	Right bloc	79.22%
2002 10/06/2002	Round 1	José Serra (PSDB)45.36% Lula (PT)30.05% Garotinho (PSB)13.24% Ciro (PPS)11.22% +2 more Zé Maria (PSTU)0.09% Rui Costa Pimenta (PCO)0.05%	−9.28 pts	Left bloc	83.74%
1998 10/04/1998	Round 1	Fernando Henrique (PSDB)58.50% Lula (PT)29.61% Ciro Gomes (PPS)6.63% Enéas (PRONA)2.43% +8 more Brigadeiro Ivan Frota (PMN)0.66% Zé Maria (PSTU)0.59% João de Deus Barbosa (PT do B)0.46% Sirkis (PV)0.39% Eymael (PSDC)0.33% Thereza Ruiz (PTN)0.20% Vasco Neto (PSN)0.13% Sergio Bueno (PSC)0.07%	+23.31 pts	Right bloc	84.27%
1994 10/03/1994	Round 1	Fernando Henrique Cardoso (PSDB)45.41% Luiz Inacio Lula da Silva (PT)21.63% Leonel de Moura Brizola (PDT)11.01% Esperidiao Amin Helou Filho (PPR)10.22% +4 more Eneas Ferreira Carneiro (PRONA)7.98% Orestes Quercia (PMDB)2.79% Carlos Antonio Gomes (PRN)0.64% Hernani Goulart Fortuna (PSC)0.32%	+34.72 pts	Right bloc	85.37%

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

Other municipalities in the Santa Maria 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.