# Rio das Ostras

[Brazil](https://electionsarchive.com/br.md) / [Rio de Janeiro](https://electionsarchive.com/br/rj.md)

## Latest local election

[2024 Rio das Ostras municipal election](https://electionsarchive.com/br/rj/rio-das-ostras/2024-10-06-local.md), October 6, 2024

### [Mayor of Rio das Ostras](https://electionsarchive.com/br/rj/rio-das-ostras/2024-10-06-local/mayor.md)

| Candidate or party | Votes | Share |
| --- | --- | --- |
| Carlos Augusto Carvalho Balthazar | 36,904 | 52.3% |
| Mauricio Braga Mesquita | 25,259 | 35.8% |
| Misaias da Silva Machado | 3,936 | 5.6% |

### [Municipal Chamber of Rio das Ostras](https://electionsarchive.com/br/rj/rio-das-ostras/2024-10-06-local/municipal-chamber.md)

| Candidate or party | Votes | Share | Seats |
| --- | --- | --- | --- |
| Partido Liberal | 9,394 | 12.9% | 3 |
| União Brasil | 8,425 | 11.6% | 3 |
| Movimento Democrático Brasileiro | 6,545 | 9.0% | 3 |

## Who holds office

Based on the latest election in the archive for each office and seat, plus records of anyone who has taken office since.

- **Mayor of Rio das Ostras**: [Carlos Augusto Carvalho Balthazar](https://electionsarchive.com/id/ea75202b-b43b-5b8d-b949-346c1dce6627.md), PL; [Elected October 6, 2024](https://electionsarchive.com/br/rj/rio-das-ostras/2024-10-06-local/mayor.md)

## Rio das Ostras, election by election

### Mayor of Rio das Ostras

| Year | Election | Result |
| --- | --- | --- |
| 2024 | [2024 Rio das Ostras municipal election](https://electionsarchive.com/br/rj/rio-das-ostras/2024-10-06-local.md) | Carlos Augusto Carvalho Balthazar, PL, 52.3% |
| 2020 | [2020 Rio das Ostras municipal election](https://electionsarchive.com/br/rj/rio-das-ostras/2020-11-15-local.md) | Marcelino Carlos Dias Borba, PV, 51.5% |
| 2016 | [2016 Rio das Ostras municipal election](https://electionsarchive.com/br/rj/rio-das-ostras/2016-10-02-local.md) | Carlos Augusto Carvalho Balthazar, Partido do Movimento Democrático Brasileiro, 60.3% |
| 2012 | [2012 Rio das Ostras municipal election](https://electionsarchive.com/br/rj/rio-das-ostras/2012-10-07-local.md) | Alcebíades Sabino dos Santos, PSC, 76.9% |
| 2008 | [2008 Rio das Ostras municipal election](https://electionsarchive.com/br/rj/rio-das-ostras/2008-10-05-local.md) | Carlos Augusto Carvalho Balthazar, Partido do Movimento Democrático Brasileiro, 51.4% |
| 2004 | [2004 Rio das Ostras municipal election](https://electionsarchive.com/br/rj/rio-das-ostras/2004-10-03-local.md) | Carlos Augusto Carvalho Balthazar, Partido do Movimento Democrático Brasileiro, 52.9% |
| 2000 | [2000 Rio das Ostras municipal election](https://electionsarchive.com/br/rj/rio-das-ostras/2000-10-01-local.md) | Alcebíades Sabino dos Santos, PV, 72.6% |
| 1996 | [1996 Rio das Ostras municipal election](https://electionsarchive.com/br/rj/rio-das-ostras/1996-10-03-local.md) | Alcebíades Sabino dos Santos, PSDB, 51.6% |

### Municipal Chamber of Rio das Ostras

| Year | Election | Result |
| --- | --- | --- |
| 2024 | [2024 Rio das Ostras municipal election](https://electionsarchive.com/br/rj/rio-das-ostras/2024-10-06-local.md) | MDB 3, PL 3, UNIÃO 3, PP 2 |
| 2020 | [2020 Rio das Ostras municipal election](https://electionsarchive.com/br/rj/rio-das-ostras/2020-11-15-local.md) | PV 4, MDB 2, DC 2, REPUBLICANOS 1 |
| 2016 | [2016 Rio das Ostras municipal election](https://electionsarchive.com/br/rj/rio-das-ostras/2016-10-02-local.md) | Partido do Movimento Democrático Brasileiro 3, PV 3, Partido Popular Socialista 2, PP 1 |
| 2012 | [2012 Rio das Ostras municipal election](https://electionsarchive.com/br/rj/rio-das-ostras/2012-10-07-local.md) | PSC 4, Partido do Movimento Democrático Brasileiro 3, PSDB 2, PT 1 |
| 2008 | [2008 Rio das Ostras municipal election](https://electionsarchive.com/br/rj/rio-das-ostras/2008-10-05-local.md) | Partido do Movimento Democrático Brasileiro 3, PSB 3, PDT 2, PSC 1 |
| 2004 | [2004 Rio das Ostras municipal election](https://electionsarchive.com/br/rj/rio-das-ostras/2004-10-03-local.md) | PSB 3, Partido do Movimento Democrático Brasileiro 2, PSC 2, PV 2 |
| 2000 | [2000 Rio das Ostras municipal election](https://electionsarchive.com/br/rj/rio-das-ostras/2000-10-01-local.md) | Partido do Movimento Democrático Brasileiro 3, PSC 3, PSB 2, PL (BR) 1 |
| 1996 | [1996 Rio das Ostras municipal election](https://electionsarchive.com/br/rj/rio-das-ostras/1996-10-03-local.md) | PSDB 4, PDT 3, PSB 2 |

## Elections

| Date | Election |
| --- | --- |
| October 6, 2024 | [2024 Rio das Ostras municipal election](https://electionsarchive.com/br/rj/rio-das-ostras/2024-10-06-local.md) |
| November 15, 2020 | [2020 Rio das Ostras municipal election](https://electionsarchive.com/br/rj/rio-das-ostras/2020-11-15-local.md) |
| October 2, 2016 | [2016 Rio das Ostras municipal election](https://electionsarchive.com/br/rj/rio-das-ostras/2016-10-02-local.md) |
| October 7, 2012 | [2012 Rio das Ostras municipal election](https://electionsarchive.com/br/rj/rio-das-ostras/2012-10-07-local.md) |
| October 5, 2008 | [2008 Rio das Ostras municipal election](https://electionsarchive.com/br/rj/rio-das-ostras/2008-10-05-local.md) |
| October 3, 2004 | [2004 Rio das Ostras municipal election](https://electionsarchive.com/br/rj/rio-das-ostras/2004-10-03-local.md) |
| October 1, 2000 | [2000 Rio das Ostras municipal election](https://electionsarchive.com/br/rj/rio-das-ostras/2000-10-01-local.md) |
| October 3, 1996 | [1996 Rio das Ostras municipal election](https://electionsarchive.com/br/rj/rio-das-ostras/1996-10-03-local.md) |

## Results in Rio das Ostras

| Date | Contest | Leader | Share |
| --- | --- | --- | --- |
| October 25, 2026 | [2026 Brazilian presidential election, second round](https://electionsarchive.com/br/2026-10-25-runoff/president/rio-de-janeiro/rio-das-ostras.md) | Flávio Nantes Bolsonaro | 61.4% |
| October 4, 2026 | [2026 Brazilian presidential election, first round](https://electionsarchive.com/br/2026-10-04-general/president/rio-de-janeiro/rio-das-ostras.md) | Flávio Nantes Bolsonaro | 60.7% |
| October 4, 2026 | [2026 Legislative Assembly election in Rio de Janeiro](https://electionsarchive.com/br/2026-10-04-general/legislative-assembly-rio-de-janeiro/rio-das-ostras.md) | PL | 29.1% |
| October 4, 2026 | [2026 Senate election in Rio de Janeiro](https://electionsarchive.com/br/2026-10-04-general/senate-rio-de-janeiro/rio-das-ostras.md) | Carlos Francisco Portinho | 31.4% |
| October 4, 2026 | [2026 Chamber of Deputies election in Rio de Janeiro](https://electionsarchive.com/br/2026-10-04-general/chamber-of-deputies-rio-de-janeiro/rio-das-ostras.md) | PL | 32.1% |
| October 4, 2026 | [2026 gubernatorial election in Rio de Janeiro](https://electionsarchive.com/br/2026-10-04-general/governor-rio-de-janeiro/rio-das-ostras.md) | Douglas Ruas dos Santos | 62.2% |
| October 30, 2022 | [2022 Brazilian presidential election, second round](https://electionsarchive.com/br/2022-10-30-runoff/president/rio-de-janeiro/rio-das-ostras.md) | Jair Messias Bolsonaro | 64.1% |
| October 2, 2022 | [2022 Brazilian presidential election, first round](https://electionsarchive.com/br/2022-10-02-general/president/rio-de-janeiro/rio-das-ostras.md) | Jair Messias Bolsonaro | 59.4% |
| October 2, 2022 | [2022 Legislative Assembly election in Rio de Janeiro](https://electionsarchive.com/br/2022-10-02-general/legislative-assembly-rio-de-janeiro/rio-das-ostras.md) | PL | 30.6% |
| October 2, 2022 | [2022 gubernatorial election in Rio de Janeiro](https://electionsarchive.com/br/2022-10-02-general/governor-rio-de-janeiro/rio-das-ostras.md) | Cláudio Bomfim de Castro e Silva | 65.7% |
| October 2, 2022 | [2022 Chamber of Deputies election in Rio de Janeiro](https://electionsarchive.com/br/2022-10-02-general/chamber-of-deputies-rio-de-janeiro/rio-das-ostras.md) | PL | 25.2% |
| October 2, 2022 | [2022 Senate election in Rio de Janeiro](https://electionsarchive.com/br/2022-10-02-general/senate-rio-de-janeiro/rio-das-ostras.md) | Romário de Souza Faria | 41.1% |
| October 28, 2018 | [2018 Brazilian presidential election, second round](https://electionsarchive.com/br/2018-10-28-runoff/president/rio-de-janeiro/rio-das-ostras.md) | Jair Messias Bolsonaro | 74.5% |
| October 28, 2018 | [2018 gubernatorial election in Rio de Janeiro, second round](https://electionsarchive.com/br/2018-10-28-runoff/governor-rio-de-janeiro/rio-das-ostras.md) | Wilson José Witzel | 76.4% |

Also available as HTML at https://electionsarchive.com/br/rj/rio-das-ostras and JSON at https://electionsarchive.com/br/rj/rio-das-ostras.json.