MS · Campo Grande immediate region

Rio Negro: how it voted for president

In the 2026 runoff, Flavio Bolsonaro won Rio Negro with 57.99% of valid votes against 42.01% for Lula: a margin of 15.99 points, 19.56 points right of Brazil.

Likely rightSwing

Lean versus Brazil: +12.36pts; Weighted mean of the municipality's right − left margin minus Brazil's in the 2026, 2022, 2018 and 2014 runoffs.
Electorate (2026): 4,177; 75th largest electorate in Mato Grosso do Sul
Side changes: 2; 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 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.

Rio Negro+15.99 pts
Mato Grosso do Sul+19.20 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)57.99% Lula (PT)42.01%	+15.99 pts	Right bloc	76.30%
2026 10/04/2026	Round 1	Flavio Bolsonaro (PL)56.46% Lula (PT)38.65% Escritor Augusto Cury (AVANTE)2.13% Ronaldo Caiado (PSD)1.69% +8 more Renan Santos (MISSÃO)0.95% Edmilson Costa (PCB)0.03% Clariana Barao (DC)0.03% Rui Costa Pimenta (PCO)0.03% Zema (NOVO)0.03% Hertz Dias (PSTU)0.00% Veterinário Wilson Grassi (DEMOCRATA)0.00% Samara (UP)0.00%	+18.32 pts	Right bloc	77.78%
2022 10/30/2022	Round 2	Jair Bolsonaro (PL)53.67% Lula (PT)46.33%	+7.33 pts	Right bloc	77.08%
2022 10/02/2022	Round 1	Jair Bolsonaro (PL)47.14% Lula (PT)45.08% Simone Tebet (MDB)5.96% Ciro Gomes (PDT)1.04% +7 more Soraya Thronicke (UNIÃO)0.47% Felipe D Avila (NOVO)0.24% Padre Kelmon (PTB)0.03% Léo Péricles (UP)0.03% Vera (PSTU)0.00% Sofia Manzano (PCB)0.00% Constituinte Eymael (DC)0.00%	+7.68 pts	Right bloc	77.51%
2018 10/28/2018	Round 2	Jair Bolsonaro (PSL)58.31% Fernando Haddad (PT)41.69%	+16.63 pts	Right bloc	70.90%
2018 10/07/2018	Round 1	Jair Bolsonaro (PSL)49.19% Fernando Haddad (PT)30.28% Geraldo Alckmin (PSDB)9.87% Ciro Gomes (PDT)6.10% +9 more Henrique Meirelles (MDB)1.51% Alvaro Dias (PODE)1.00% Marina Silva (REDE)0.83% João Amoêdo (NOVO)0.54% Cabo Daciolo (PATRI)0.36% Guilherme Boulos (PSOL)0.22% João Goulart Filho (PPL)0.07% Vera (PSTU)0.04% Eymael (DC)0.00%	+24.94 pts	Right bloc	75.10%
2014 10/26/2014	Round 2	Aécio Neves (PSDB)50.99% Dilma (PT)49.01%	+1.98 pts	Right bloc	75.55%
2014 10/05/2014	Round 1	Dilma (PT)45.92% Aécio Neves (PSDB)34.18% Marina Silva (PSB)18.61% Pastor Everaldo (PSC)0.77% +5 more Luciana Genro (PSOL)0.20% Levy Fidelix (PRTB)0.13% Eduardo Jorge (PV)0.13% Mauro Iasi (PCB)0.03% Eymael (PSDC)0.03%	−29.78 pts	Left bloc	79.57%
2010 10/31/2010	Round 2	José Serra (PSDB)59.64% Dilma (PT)40.36%	+19.28 pts	Right bloc	75.36%
2010 10/03/2010	Round 1	José Serra (PSDB)51.29% Dilma (PT)37.87% Marina Silva (PV)10.58% Plínio (PSOL)0.23% +1 more Rui Costa Pimenta (PCO)0.03%	+2.58 pts	Right bloc	82.82%
2006 10/29/2006	Round 2	Geraldo Alckmin (PSDB)56.01% Lula (PT)43.99%	+12.02 pts	Right bloc	81.85%
2006 10/01/2006	Round 1	Geraldo Alckmin (PSDB)58.19% Lula (PT)36.55% Heloísa Helena (PSOL)4.25% Cristovam Buarque (PDT)0.90% +1 more Ana Maria Rangel (PRP)0.10%	+16.58 pts	Right bloc	86.87%
2002 10/27/2002	Round 2	Lula (PT)50.92% José Serra (PSDB)49.08%	−1.84 pts	Left bloc	75.77%
2002 10/06/2002	Round 1	Lula (PT)41.13% José Serra (PSDB)36.55% Garotinho (PSB)11.13% Ciro (PPS)10.84% +2 more Zé Maria (PSTU)0.26% Rui Costa Pimenta (PCO)0.10%	−26.89 pts	Left bloc	80.91%
1998 10/04/1998	Round 1	Fernando Henrique (PSDB)76.29% Lula (PT)10.78% Ciro Gomes (PPS)7.97% Enéas (PRONA)1.89% +8 more Sirkis (PV)0.62% João de Deus Barbosa (PT do B)0.58% Thereza Ruiz (PTN)0.50% Brigadeiro Ivan Frota (PMN)0.50% Zé Maria (PSTU)0.31% Sergio Bueno (PSC)0.19% Eymael (PSDC)0.19% Vasco Neto (PSN)0.19%	+58.51 pts	Right bloc	84.83%
1994 10/03/1994	Round 1	Fernando Henrique Cardoso (PSDB)75.64% Luiz Inacio Lula da Silva (PT)13.18% Eneas Ferreira Carneiro (PRONA)4.17% Orestes Quercia (PMDB)3.86% +4 more Esperidiao Amin Helou Filho (PPR)1.56% Leonel de Moura Brizola (PDT)0.85% Carlos Antonio Gomes (PRN)0.44% Hernani Goulart Fortuna (PSC)0.30%	+71.94 pts	Right bloc	76.05%

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
2006(Round 2)·Left bloc→Right bloc
2014(between rounds)·Left bloc→Right bloc

Other municipalities in the Campo Grande 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.