Rondônia (Brazilian Portuguese: [ʁõˈdõniɐ] (listen)[4]) is a state in Brazil, located in the northern part of the country. To the west is a short border with the state of Acre, to the north is the state of Amazonas, in the east is Mato Grosso, and in the south and southwest is Bolivia. Its capital is Porto Velho. The state was named after Cândido Rondon.[5]

State of Rondônia

Estado de Rondônia


Coat of arms
Anthem: Hino de Rondônia
Location of State of Rondônia in Brazil
Coordinates: 10.90°S 62.76°W / -10.90; -62.76
Country Brazil
FoundedSeptember 13, 1943
Capital and largest cityPorto Velho
  GovernorCoronel Marcos Rocha (PSL)
  Vice GovernorZé Jodan (PSL)
  SenatorsAcir Gurgacz (PDT)
Confúcio Moura (MDB)
Marcos Rogério (DEM)
  Total237,576.16 km2 (91,728.67 sq mi)
Area rank13th
  Density6.6/km2 (17/sq mi)
  Density rank19th
Demonym(s)Rondoniano or Rondoniense
  Year2006 estimate
  TotalR$ 13,110,000,000 (22nd)
  Per capitaR$ 8,391 (15th)
  Category0.725[2]high (19th)
Time zoneUTC-4 (BRT–1[3])
Postal Code
76800-000 to 76999-000
ISO 3166 codeBR-RO


Rondonia was originally home to over 200,000 km2 of rainforest, but has become one of the most deforested places in the Amazon. By 2003 around 70,000 km2 of rainforest had been cleared.[6]

The area around the Guaporé River is part of the Beni savanna ecoregion.[7]

The Samuel Dam is located in the state, on the Jamari River.[8]



According to the IBGE of 2008, there were 1,519,000 people residing in the state. The population density was 6.6 inhabitants/km2. Urbanization: 66.8% (2004); Population growth: 2.2% (1991-2000); Houses: 430,747 (2005).[9]

The last PNAD (National Research for Sample of Domiciles) census revealed the following numbers: 832,000 Brown (Multiracial) people (54.81%), 546,000 White people (35.95%), 115,000 Black people (7.56%), 16,000 Asian people (1.08%), 8,000 Amerindian people (0.53%).[10]

Native Brazilians

As of 2011 there were 21 Indigenous Territories in Rondônia, with two more in process of being demarcated.[11] The largest of these, the Uru-Eu-Wau-Wau Indigenous Territory, covers over 1.8 million hectares.[12] Another, the Rio Omerê Indigenous Territory, is home to the Kanoê and Akuntsu people, who number only four and five individuals respectively.[13][14]


Belmonte Airport is located in the state capital of Porto Velho.[15]


  2. "Radar IDHM: evolução do IDHM e de seus índices componentes no período de 2012 a 2017" (PDF) (in Portuguese). PNUD Brasil. Retrieved 18 April 2019.
  3. "Flag Current Local Time in Porto Velho, Rondônia, Brazil". Time and Date. Retrieved 15 August 2016.
  4. In Brazilian Portuguese. The European Portuguese pronunciation is [ʁõˈdoniɐ].
  5. Revkin, Andrew (2004-09-30). The Burning Season: The Murder of Chico Mendes and the Fight for the Amazon Rain Forest. Island Press. p. 118. ISBN 9781610913485.
  6. "Amazon Deforestation". Earth Observatory. NASA. 2009-05-27. Retrieved 7 October 2012.
  7. Robin Sears and Robert Langstroth. "Central South America: Northern Bolivia". Tropical and Subtropical Grasslands, Savannas and Shrublands. WWF. Retrieved 7 October 2012.
  8. "Samuel Dam, Rondônia, Brazil". U.S. Geological Survey. 13 October 2011. Retrieved 26 January 2015.
  9. Source: PNAD.
  10. Tabela 262: População residente, por cor ou raça, situação e sexo (PDF) (in Portuguese). Rondônia, Brazil: IBGE. 2008. ISBN 978-85-240-3919-5. Retrieved 2010-01-18.
  11. "Terras Indígenas: Pesquisa por Estado: Rondônia". Povos Indígenas no Brasil (in Portuguese). Instituto Socioambiental (ISA). Retrieved 24 March 2011.
  12. "Caracterização Terra Indígena Uru-Eu-Wau-Wau". Povos Indígenas no Brasil (in Portuguese). Instituo Socioambiental (ISA). Retrieved 24 March 2011.
  13. Instituto Socioambiental (ISA). "Introduction > Akuntsu". Povos Indígenas no Brasil. Retrieved 8 March 2011.
  14. Instituto Socioambiental (ISA). "Introduction > Kanoê". Povos Indígenas no Brasil. Retrieved 8 March 2011.
  15. "Porto Velho, Belmonte (PVH) information". theAirDB. Retrieved 1 January 2013.
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