Rio das Ostras's 2026 population is now estimated at 195,438. In 2010, the population of Rio das Ostras was 105,676. Rio das Ostras has grown by 40,245 in the last year, which represents a 3.92% annual change.
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Sao Paulo | 23,168,700 | 0.78% |
| Rio de Janeiro | 14,023,100 | 0.72% |
| Belo Horizonte | 6,401,500 | 0.78% |
| Brasilia | 5,040,720 | 1% |
| Recife | 4,380,780 | 0.85% |
| Fortaleza | 4,320,440 | 0.84% |
| Porto Alegre | 4,298,730 | 0.7% |
| Salvador | 4,063,170 | 0.83% |
| Curitiba | 3,923,290 | 0.88% |
| Campinas | 3,522,400 | 0.88% |
| Campinas | 3,522,400 | 0.88% |
| Goiania | 2,959,070 | 1.09% |
| Belem | 2,474,300 | 0.83% |
| Belem | 2,474,300 | 0.83% |
| Manaus | 2,459,370 | 1.02% |
| Natal | 1,591,510 | 1.04% |
| Joao Pessoa | 1,459,810 | 0.83% |
| Maceio | 1,399,310 | 0.82% |
| Guarulhos | 1,392,121 | 1.01% |
| Joinville | 1,386,480 | 0.86% |
| Florianopolis | 1,336,500 | 0.96% |
| Sao Luis | 1,108,975 | 1.01% |
| Aracaju | 1,092,540 | 0.98% |
| Teresina | 1,077,110 | 0.8% |
| Campo Grande | 951,238 | 0.84% |
| Londrina | 951,206 | 0.93% |
| Duque de Caxias | 924,624 | 1.01% |
| Sao Bernardo do Campo | 844,483 | 1.01% |
| Sorocaba | 836,189 | 0.86% |
| Nova Iguacu | 823,302 | 1% |
| Sao Jose dos Campos | 771,320 | 0.89% |
| Ribeirao Preto | 764,455 | 0.9% |
| Uberlandia | 731,528 | 0.87% |
| Jundiai | 727,251 | 0.91% |
| Santo Andre | 721,368 | 1.01% |
| Jaboatao dos Guararapes | 706,867 | 1.01% |
| Osasco | 699,944 | 1% |
| Contagem | 668,949 | 1.01% |
| Feira de Santana | 619,609 | 1.01% |
| Cuiaba | 610,186 | 0.68% |
| Aparecida de Goiania | 590,146 | 1.03% |
| Juiz de Fora | 573,285 | 1.01% |
| Porto Velho | 560,963 | 1.09% |
| Ananindeua | 535,547 | 1.01% |
| Macapa | 530,968 | 1.04% |
| Serra | 527,240 | 1.03% |
| Petrolina | 518,549 | 1.01% |
| Caxias do Sul | 517,451 | 1.02% |
| Niteroi | 515,317 | 1.01% |
| Belford Roxo | 513,118 | 1.01% |
| Vila Velha | 501,325 | 1.02% |
| Maua | 477,552 | 1.01% |
| Sao Joao de Meriti | 472,906 | 1% |
| Campos dos Goytacazes | 468,788 | 0.7% |
| Sao Jose do Rio Preto | 464,393 | 0.82% |
| Volta Redonda | 456,574 | 0.61% |
| Mogi das Cruzes | 450,785 | 1.02% |
| Maringa | 450,464 | 0.92% |
| Betim | 444,784 | 1.02% |
| Santos | 433,656 | 1% |
| Diadema | 426,757 | 1.01% |
| Piracicaba | 422,066 | 0.79% |
| Montes Claros | 421,893 | 0.84% |
| Campina Grande | 416,746 | 0.72% |
| Anapolis | 409,499 | 0.87% |
| Carapicuiba | 403,183 | 1.01% |
| Rio Branco | 396,861 | 0.92% |
| Bauru | 394,017 | 0.76% |
| Olinda | 393,115 | 1% |
| Itaquaquecetuba | 375,011 | 1.02% |
| Boa Vista | 372,683 | 0.98% |
| Blumenau | 371,177 | 0.88% |
| Franca | 370,314 | 0.78% |
| Ponta Grossa | 369,710 | 0.83% |
| Sao Vicente | 368,355 | 1.01% |
| Vitoria | 365,855 | 1.01% |
| Caucaia | 365,212 | 1.01% |
| Caruaru | 353,793 | 0.89% |
| Uberaba | 353,443 | 0.83% |
| Vitoria da Conquista | 350,749 | 0.9% |
| Canoas | 348,208 | 1.01% |
| Ribeirao das Neves | 338,197 | 1.01% |
| Pelotas | 337,994 | 0.68% |
| Paulista | 334,376 | 1.01% |
| Cascavel | 333,985 | 0.85% |
| Cascavel | 333,985 | 0.85% |
| Praia Grande | 330,845 | 1.02% |
| Taubate | 330,827 | 0.83% |
| Sao Jose dos Pinhais | 329,058 | 1.02% |
| Guaruja | 322,750 | 1.01% |
| Limeira | 308,482 | 1.01% |
| Petropolis | 306,678 | 1% |
| Santarem | 306,480 | 1% |
| Palmas | 306,296 | 1.03% |
| Palmas | 306,296 | 1.03% |
| Camacari | 304,302 | 1.02% |
| Mossoro | 300,618 | 1.01% |
| Suzano | 300,559 | 1.01% |
| Taboao da Serra | 293,652 | 1.02% |
| Varzea Grande | 287,526 | 1.01% |
| Sumare | 286,211 | 1.02% |
| Santa Maria | 283,677 | 1.01% |
| Gravatai | 283,620 | 1.01% |
| Maraba | 283,542 | 1.02% |
| Governador Valadares | 281,046 | 1.01% |
| Barueri | 276,982 | 1.01% |
| Juazeiro do Norte | 276,264 | 1.01% |
| Parnamirim | 267,036 | 1.03% |
| Parnamirim | 267,036 | 1.03% |
| Ipatinga | 265,409 | 1.01% |
| Macae | 261,501 | 1.02% |
| Imperatriz | 259,337 | 1% |
| Foz do Iguacu | 258,248 | 1% |
| Viamao | 256,302 | 1.01% |
| Indaiatuba | 256,223 | 1.02% |
| Sao Carlos | 254,484 | 1.01% |
| Cotia | 253,608 | 1.02% |
| Sao Jose | 250,181 | 1.02% |
| Novo Hamburgo | 247,032 | 1% |
| Colombo | 246,540 | 1.01% |
| Itaborai | 242,543 | 1.01% |
| Americana | 242,018 | 1.01% |
| Sete Lagoas | 241,835 | 1.01% |
| Itapevi | 240,961 | 1.02% |
| Divinopolis | 240,408 | 1.01% |
| Sao Leopoldo | 238,648 | 1.01% |
| Araraquara | 238,339 | 1.01% |
| Rondonopolis | 236,042 | 1.02% |
| Jacarei | 235,416 | 1.01% |
| Hortolandia | 234,259 | 1.02% |
| Arapiraca | 233,047 | 1.01% |
| Cabo Frio | 230,378 | 1.02% |
| Presidente Prudente | 230,371 | 1.01% |
| Maracanau | 229,458 | 1.01% |
| Dourados | 225,495 | 1.01% |
| Chapeco | 224,013 | 1.02% |
| Itajai | 223,112 | 1.02% |
| Santa Luzia | 220,444 | 1.01% |
| Santa Luzia | 220,444 | 1.01% |
| Santa Luzia | 220,444 | 1.01% |
| Criciuma | 217,311 | 1.01% |
| Itabuna | 213,685 | 1% |
| Rio Grande | 211,965 | 1.01% |
| Luziania | 211,508 | 1.02% |
| Alvorada | 211,352 | 1.01% |
| Sobral | 210,711 | 1.01% |
| Cachoeiro de Itapemirim | 210,589 | 1.01% |
| Rio Claro | 208,008 | 1.01% |
| Rio Claro | 208,008 | 1.01% |
| Angra dos Reis | 207,044 | 1.02% |
| Passo Fundo | 204,722 | 1.01% |
| Castanhal | 203,251 | 1.02% |
| Lauro de Freitas | 201,635 | 1.02% |
| Aracatuba | 198,129 | 1.01% |
| Ferraz de Vasconcelos | 196,500 | 1.02% |
| Santa Barbara d'Oeste | 194,390 | 1.01% |
| Nova Friburgo | 191,158 | 1% |
| Nossa Senhora do Socorro | 185,706 | 1.01% |
| Barra Mansa | 184,833 | 1% |
| Teresopolis | 184,240 | 1.01% |
| Araguaina | 183,381 | 1.02% |
| Guarapuava | 182,644 | 1.01% |
| Ibirite | 182,153 | 1.01% |
| Jaragua do Sul | 181,173 | 1.02% |
| Sao Jose de Ribamar | 179,028 | 1.01% |
| Itapecerica da Serra | 177,662 | 1.02% |
| Francisco Morato | 177,633 | 1.01% |
| Linhares | 176,688 | 1.02% |
| Itu | 175,568 | 1.01% |
| Palhoca | 175,272 | 1.02% |
| Braganca Paulista | 170,533 | 1.02% |
| Timon | 170,222 | 1.01% |
| Pindamonhangaba | 170,132 | 1.01% |
| Pocos de Caldas | 168,641 | 1.01% |
| Itapetininga | 165,526 | 1.01% |
| Caxias | 165,525 | 1.01% |
| Marica | 164,504 | 1.03% |
| Nilopolis | 162,693 | 1% |
| Sao Caetano do Sul | 161,957 | 1.01% |
| Ilheus | 159,923 | 0.99% |
| Abaetetuba | 159,080 | 1.01% |
| Lages | 157,349 | 1% |
| Barreiras | 156,975 | 1.01% |
| Franco da Rocha | 156,492 | 1.02% |
| Paranagua | 156,174 | 1.01% |
| Jequie | 156,126 | 1% |
| Patos de Minas | 153,585 | 1.01% |
| Parnaiba | 153,482 | 1.01% |
| Mogi Guacu | 153,033 | 1.01% |
| Pouso Alegre | 152,549 | 1.02% |
| Alagoinhas | 152,327 | 1.01% |
| Jau | 151,881 | 1.01% |
| Queimados | 151,335 | 1.01% |
| Porto Seguro | 150,658 | 1.02% |
| Botucatu | 148,130 | 1.02% |
| Araucaria | 146,214 | 1.02% |
| Sinop | 146,005 | 1.03% |
| Balneario Camboriu | 145,796 | 1.03% |
| Atibaia | 144,088 | 1.01% |
| Toledo | 142,645 | 1.02% |
| Santana de Parnaiba | 142,301 | 1.03% |
| Teofilo Otoni | 140,937 | 1% |
| Garanhuns | 140,577 | 1.01% |
| Vitoria de Santo Antao | 139,583 | 1.01% |
| Cameta | 139,364 | 1.01% |
| Barbacena | 138,204 | 1.01% |
| Brusque | 137,689 | 1.03% |
| Santa Rita | 137,349 | 1.01% |
| Santa Rita | 137,349 | 1.01% |
| Varginha | 136,602 | 1.01% |
| Apucarana | 136,234 | 1.01% |
| Simoes Filho | 135,783 | 1.01% |
| Araras | 135,506 | 1.01% |
| Itaguai | 134,819 | 1.02% |
| Araruama | 134,293 | 1.02% |
| Campo Largo | 133,865 | 1.02% |
| Pinhais | 133,490 | 1.01% |
| Crato | 133,031 | 1.01% |
| Sao Mateus | 132,642 | 1.02% |
| Resende | 132,312 | 1.01% |
| Sao Felix do Xingu | 132,138 | 1.04% |
| Cubatao | 131,626 | 1.01% |
| Santa Cruz do Sul | 131,365 | 1.01% |
| Cachoeirinha | 131,240 | 1.01% |
| Cachoeirinha | 131,240 | 1.01% |
| Valinhos | 131,210 | 1.02% |
| Itapipoca | 130,539 | 1.01% |
| Trindade | 129,823 | 1.02% |
| Trindade | 129,823 | 1.02% |
| Trindade | 129,823 | 1.02% |
| Vespasiano | 129,765 | 1.02% |
| Conselheiro Lafaiete | 129,606 | 1.01% |
| Braganca | 128,914 | 1.01% |
| Sertaozinho | 127,142 | 1.01% |
| Barcarena | 127,027 | 1.02% |
| Uruguaiana | 126,866 | 1% |
| Guarapari | 126,701 | 1.02% |
| Jandira | 126,356 | 1.02% |
| Birigui | 124,883 | 1.01% |
| Arapongas | 124,810 | 1.02% |
| Ribeirao Pires | 124,159 | 1.01% |
| Formosa | 123,684 | 1.02% |
| Votorantim | 123,599 | 1.01% |
| Colatina | 123,400 | 1.01% |
| Caraguatatuba | 123,389 | 1.02% |
| Tres Lagoas | 123,281 | 1.02% |
| Codo | 123,116 | 1% |
| Santana | 123,096 | 1.02% |
| Santana | 123,096 | 1.02% |
| Varzea Paulista | 123,071 | 1.01% |
| Tatui | 122,967 | 1.01% |
| Barretos | 122,833 | 1.01% |
| Itatiba | 122,581 | 1.02% |
| Guaratingueta | 122,505 | 1.01% |
| Catanduva | 122,497 | 1.01% |
| Bento Goncalves | 121,803 | 1.01% |
| Bage | 121,335 | 1% |
| Itabira | 120,904 | 1.01% |
| Almirante Tamandare | 120,041 | 1.02% |
| Salto | 119,736 | 1.01% |
| Paulo Afonso | 118,516 | 1.01% |
| Senador Canedo | 118,451 | 1.03% |
| Igarassu | 118,370 | 1.01% |
| Poa | 118,349 | 1.01% |
| Araguari | 117,825 | 1.01% |
| Uba | 116,797 | 1.01% |
| Altamira | 115,969 | 1.02% |
| Parintins | 115,363 | 1.01% |
| Passos | 115,337 | 1.01% |
| Tucurui | 115,144 | 1.02% |
| Piraquara | 114,970 | 1.02% |
| Paragominas | 114,503 | 1.02% |
| Eunapolis | 114,396 | 1.01% |
| Ourinhos | 114,352 | 1.01% |
| Sao Lourenco da Mata | 114,079 | 1.01% |
| Umuarama | 112,500 | 1.01% |
| Corumba | 112,058 | 1.01% |
| Paulinia | 112,003 | 1.03% |
| Catalao | 110,983 | 1.03% |
| Coronel Fabriciano | 110,290 | 1.01% |
| Santa Cruz do Capibaribe | 109,897 | 1.02% |
| Ariquemes | 109,523 | 1.02% |
| Muriae | 109,392 | 1.01% |
| Patos | 108,192 | 1.01% |
| Cambe | 107,341 | 1.01% |
| Araxa | 107,337 | 1.01% |
| Erechim | 106,633 | 1.01% |
| Tubarao | 106,422 | 1.01% |
| Sao Pedro da Aldeia | 106,049 | 1.02% |
| Itumbiara | 105,809 | 1.01% |
| Japeri | 105,548 | 1.01% |
| Ituiutaba | 105,255 | 1.01% |
| Lagarto | 105,221 | 1.01% |
| Assis | 105,087 | 1.01% |
| Bacabal | 104,790 | 1% |
| Lavras | 104,783 | 1.01% |
| Leme | 104,346 | 1.01% |
| Itaperuna | 103,800 | 1.01% |
| Sao Goncalo do Amarante | 103,672 | 1.02% |
| Sao Goncalo do Amarante | 103,672 | 1.02% |
| Breves | 103,497 | 1.01% |
| Itanhaem | 103,102 | 1.02% |
| Aracruz | 103,101 | 1.02% |
| Iguatu | 103,074 | 1.01% |
| Caieiras | 102,775 | 1.02% |
| Itacoatiara | 102,701 | 1.02% |
| Santo Antonio de Jesus | 102,380 | 1.01% |
| Vilhena | 102,211 | 1.03% |
| Jatai | 102,065 | 1.01% |
| Mairipora | 101,937 | 1.02% |
| Itaituba | 101,395 | 1% |
| Barra do Pirai | 100,764 | 1.01% |
| Abreu e Lima | 100,346 | 1.01% |