SP · São Paulo immediate region

Osasco: how it voted for president

In the 2026 runoff, Lula won Osasco with 52.36% of valid votes against 47.64% for Flavio Bolsonaro: a margin of 4.72 points, 1.15 points left of Brazil.

Lean rightSwing

Lean versus Brazil: +5.15pts; Weighted mean of the municipality's right − left margin minus Brazil's in the 2026, 2022, 2018 and 2014 runoffs.
Electorate (2026): 583,999; 5th largest electorate in São Paulo
Side changes: 3; 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; Has voted for the national winner since 2018.

On the map of São Paulo

2026 runoff, colored by margin: pale in tight races, deep in landslides. Click a municipality to open its page.

Loading municipalities…

Hover or tap a municipality; click to open its page.

← 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.

Osasco−4.72 pts
São Paulo+7.69 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)52.36% Flavio Bolsonaro (PL)47.64%	−4.72 pts	Left bloc	79.75%
2026 10/04/2026	Round 1	Flavio Bolsonaro (PL)45.46% Lula (PT)43.34% Escritor Augusto Cury (AVANTE)4.10% Renan Santos (MISSÃO)3.81% +8 more Ronaldo Caiado (PSD)2.49% Zema (NOVO)0.39% Samara (UP)0.21% Hertz Dias (PSTU)0.07% Clariana Barao (DC)0.05% Edmilson Costa (PCB)0.04% Veterinário Wilson Grassi (DEMOCRATA)0.03% Rui Costa Pimenta (PCO)0.02%	+4.45 pts	Right bloc	76.71%
2022 10/30/2022	Round 2	Lula (PT)50.40% Jair Bolsonaro (PL)49.60%	−0.80 pts	Left bloc	79.69%
2022 10/02/2022	Round 1	Lula (PT)45.74% Jair Bolsonaro (PL)41.25% Simone Tebet (MDB)6.97% Ciro Gomes (PDT)4.29% +7 more Felipe D Avila (NOVO)0.82% Soraya Thronicke (UNIÃO)0.62% Léo Péricles (UP)0.12% Sofia Manzano (PCB)0.07% Padre Kelmon (PTB)0.06% Vera (PSTU)0.04% Constituinte Eymael (DC)0.03%	−0.52 pts	Left bloc	79.29%
2018 10/28/2018	Round 2	Jair Bolsonaro (PSL)63.14% Fernando Haddad (PT)36.86%	+26.28 pts	Right bloc	78.89%
2018 10/07/2018	Round 1	Jair Bolsonaro (PSL)47.98% Fernando Haddad (PT)18.85% Ciro Gomes (PDT)13.58% Geraldo Alckmin (PSDB)7.81% +9 more João Amoêdo (NOVO)5.52% Cabo Daciolo (PATRI)1.44% Marina Silva (REDE)1.31% Henrique Meirelles (MDB)1.24% Alvaro Dias (PODE)1.15% Guilherme Boulos (PSOL)0.92% Eymael (DC)0.09% Vera (PSTU)0.06% João Goulart Filho (PPL)0.04%	+30.47 pts	Right bloc	79.09%
2014 10/26/2014	Round 2	Aécio Neves (PSDB)58.91% Dilma (PT)41.09%	+17.83 pts	Right bloc	79.85%
2014 10/05/2014	Round 1	Aécio Neves (PSDB)36.17% Marina Silva (PSB)30.29% Dilma (PT)27.83% Luciana Genro (PSOL)3.03% +7 more Eduardo Jorge (PV)1.09% Levy Fidelix (PRTB)0.77% Pastor Everaldo (PSC)0.56% Eymael (PSDC)0.10% Zé Maria (PSTU)0.09% Mauro Iasi (PCB)0.05% Rui Costa Pimenta (PCO)0.02%	−24.78 pts	Left bloc	81.29%
2010 10/31/2010	Round 2	Dilma (PT)54.54% José Serra (PSDB)45.46%	−9.08 pts	Left bloc	82.23%
2010 10/03/2010	Round 1	Dilma (PT)42.95% José Serra (PSDB)30.90% Marina Silva (PV)24.71% Plínio (PSOL)1.16% +5 more Eymael (PSDC)0.10% Levy Fidelix (PRTB)0.07% Zé Maria (PSTU)0.06% Ivan Pinheiro (PCB)0.03% Rui Costa Pimenta (PCO)0.01%	−37.87 pts	Left bloc	85.73%
2006 10/29/2006	Round 2	Lula (PT)58.43% Geraldo Alckmin (PSDB)41.57%	−16.86 pts	Left bloc	85.75%
2006 10/01/2006	Round 1	Lula (PT)47.07% Geraldo Alckmin (PSDB)43.05% Heloísa Helena (PSOL)8.02% Cristovam Buarque (PDT)1.62% +3 more José Maria Eymael (PSDC)0.10% Ana Maria Rangel (PRP)0.07% Luciano Bivar (PSL)0.06%	−13.41 pts	Left bloc	86.88%
2002 10/27/2002	Round 2	Lula (PT)64.67% José Serra (PSDB)35.33%	−29.34 pts	Left bloc	85.19%
2002 10/06/2002	Round 1	Lula (PT)55.57% José Serra (PSDB)20.80% Garotinho (PSB)13.79% Ciro (PPS)9.21% +2 more Zé Maria (PSTU)0.57% Rui Costa Pimenta (PCO)0.05%	−58.39 pts	Left bloc	85.16%
1998 10/04/1998	Round 1	Fernando Henrique (PSDB)49.58% Lula (PT)38.50% Ciro Gomes (PPS)8.06% Enéas (PRONA)2.94% +8 more Eymael (PSDC)0.22% Zé Maria (PSTU)0.16% Sirkis (PV)0.14% Thereza Ruiz (PTN)0.14% Brigadeiro Ivan Frota (PMN)0.07% João de Deus Barbosa (PT do B)0.07% Sergio Bueno (PSC)0.06% Vasco Neto (PSN)0.06%	+6.00 pts	Right bloc	84.28%
1994 10/03/1994	Round 1	Fernando Henrique Cardoso (PSDB)42.85% Luiz Inacio Lula da Silva (PT)38.75% Eneas Ferreira Carneiro (PRONA)11.01% Orestes Quercia (PMDB)4.07% +4 more Esperidiao Amin Helou Filho (PPR)1.82% Leonel de Moura Brizola (PDT)0.87% Hernani Goulart Fortuna (PSC)0.32% Carlos Antonio Gomes (PRN)0.31%	+20.76 pts	Right bloc	89.73%

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
2014(Round 2)·Left bloc→Right bloc
2022(Round 2)·Right bloc→Left bloc
2026(between rounds)·Right bloc→Left bloc

Other municipalities in the São Paulo 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.