MT · Diamantino immediate region

Santo Afonso: how it voted for president

In the 2026 runoff, Flavio Bolsonaro won Santo Afonso with 64.23% of valid votes against 35.77% for Lula: a margin of 28.47 points, 32.04 points right of Brazil.

Solid right

Lean versus Brazil: +19.04pts; Weighted mean of the municipality's right − left margin minus Brazil's in the 2026, 2022, 2018 and 2014 runoffs.
Electorate (2026): 2,662; 132th largest electorate in Mato Grosso
Side changes: 0; Times the leading bloc changed from one election to the next, in 9 elections since 1994. Plus 1 turn(s) between round 1 and round 2 of the same year.
Bellwether?: No; Did not vote for the national winner in the 2026 runoff.

On the map of Mato Grosso

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.

Santo Afonso+28.47 pts
Mato Grosso+32.12 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)64.23% Lula (PT)35.77%	+28.47 pts	Right bloc	77.72%
2026 10/04/2026	Round 1	Flavio Bolsonaro (PL)62.21% Lula (PT)32.42% Escritor Augusto Cury (AVANTE)2.93% Renan Santos (MISSÃO)1.24% +8 more Ronaldo Caiado (PSD)1.19% Hertz Dias (PSTU)0.00% Edmilson Costa (PCB)0.00% Clariana Barao (DC)0.00% Rui Costa Pimenta (PCO)0.00% Zema (NOVO)0.00% Veterinário Wilson Grassi (DEMOCRATA)0.00% Samara (UP)0.00%	+29.29 pts	Right bloc	77.90%
2022 10/30/2022	Round 2	Jair Bolsonaro (PL)58.96% Lula (PT)41.04%	+17.93 pts	Right bloc	75.27%
2022 10/02/2022	Round 1	Jair Bolsonaro (PL)52.35% Lula (PT)41.66% Simone Tebet (MDB)2.79% Ciro Gomes (PDT)2.03% +7 more Soraya Thronicke (UNIÃO)0.81% Padre Kelmon (PTB)0.17% Vera (PSTU)0.06% Sofia Manzano (PCB)0.06% Felipe D Avila (NOVO)0.06% Constituinte Eymael (DC)0.00% Léo Péricles (UP)0.00%	+12.38 pts	Right bloc	76.51%
2018 10/28/2018	Round 2	Jair Bolsonaro (PSL)54.31% Fernando Haddad (PT)45.69%	+8.62 pts	Right bloc	64.63%
2018 10/07/2018	Round 1	Jair Bolsonaro (PSL)47.85% Fernando Haddad (PT)36.12% Ciro Gomes (PDT)5.96% Geraldo Alckmin (PSDB)5.51% +9 more João Amoêdo (NOVO)1.14% Henrique Meirelles (MDB)1.01% Cabo Daciolo (PATRI)1.01% Guilherme Boulos (PSOL)0.51% Alvaro Dias (PODE)0.44% Marina Silva (REDE)0.38% Vera (PSTU)0.06% Eymael (DC)0.00% João Goulart Filho (PPL)0.00%	+13.94 pts	Right bloc	70.49%
2014 10/26/2014	Round 2	Aécio Neves (PSDB)51.55% Dilma (PT)48.45%	+3.10 pts	Right bloc	69.89%
2014 10/05/2014	Round 1	Dilma (PT)47.26% Aécio Neves (PSDB)41.78% Marina Silva (PSB)10.45% Levy Fidelix (PRTB)0.32% +7 more Mauro Iasi (PCB)0.06% Eymael (PSDC)0.06% Luciana Genro (PSOL)0.06% Zé Maria (PSTU)0.00% Pastor Everaldo (PSC)0.00% Rui Costa Pimenta (PCO)0.00% Eduardo Jorge (PV)0.00%	−15.67 pts	Left bloc	74.69%
2010 10/31/2010	Round 2	José Serra (PSDB)52.99% Dilma (PT)47.01%	+5.97 pts	Right bloc	74.53%
2010 10/03/2010	Round 1	José Serra (PSDB)49.72% Dilma (PT)45.98% Marina Silva (PV)4.18% Ivan Pinheiro (PCB)0.06% +1 more Plínio (PSOL)0.06%	−0.56 pts	Left bloc	81.60%
2006 10/29/2006	Round 2	Geraldo Alckmin (PSDB)52.20% Lula (PT)47.80%	+4.39 pts	Right bloc	65.87%
2006 10/01/2006	Round 1	Geraldo Alckmin (PSDB)57.30% Lula (PT)39.80% Heloísa Helena (PSOL)1.70% Cristovam Buarque (PDT)0.82% +2 more José Maria Eymael (PSDC)0.19% Ana Maria Rangel (PRP)0.19%	+15.37 pts	Right bloc	74.61%
2002 10/27/2002	Round 2	José Serra (PSDB)64.61% Lula (PT)35.39%	+29.23 pts	Right bloc	56.52%
2002 10/06/2002	Round 1	José Serra (PSDB)50.08% Lula (PT)30.67% Garotinho (PSB)10.59% Ciro (PPS)8.55% +2 more Zé Maria (PSTU)0.06% Rui Costa Pimenta (PCO)0.06%	+0.17 pts	Right bloc	70.27%
1998 10/04/1998	Round 1	Fernando Henrique (PSDB)82.92% Lula (PT)10.60% Ciro Gomes (PPS)3.53% Brigadeiro Ivan Frota (PMN)0.74% +8 more Enéas (PRONA)0.74% Eymael (PSDC)0.29% Zé Maria (PSTU)0.22% Vasco Neto (PSN)0.22% Sirkis (PV)0.22% João de Deus Barbosa (PT do B)0.22% Thereza Ruiz (PTN)0.15% Sergio Bueno (PSC)0.15%	+68.92 pts	Right bloc	72.56%
1994 10/03/1994	Round 1	Fernando Henrique Cardoso (PSDB)68.42% Luiz Inacio Lula da Silva (PT)15.58% Orestes Quercia (PMDB)6.75% Eneas Ferreira Carneiro (PRONA)4.25% +4 more Leonel de Moura Brizola (PDT)3.17% Carlos Antonio Gomes (PRN)0.75% Hernani Goulart Fortuna (PSC)0.58% Esperidiao Amin Helou Filho (PPR)0.50%	+62.50 pts	Right bloc	73.30%

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

When the municipality changed sides

2014(between rounds)·Left bloc→Right bloc

Other municipalities in the Diamantino 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.