54 cities and towns
| Abbreviation | 24 |
| State Population | 1,699,593 |
| # | City | Population | Median Income | Home Value | Median Rent | Median Age |
|---|---|---|---|---|---|---|
| 1 | Porto Velho | 548,952 | N/A | N/A | N/A | 34.3 |
| 2 | Ji Paraná | 124,333 | N/A | N/A | N/A | 34.3 |
| 3 | Ariquemes | 96,833 | N/A | N/A | N/A | 34.3 |
| 4 | Vilhena | 95,832 | N/A | N/A | N/A | 34.3 |
| 5 | Cacoal | 86,887 | N/A | N/A | N/A | 34.3 |
| 6 | Rolim de Moura | 56,406 | N/A | N/A | N/A | 34.3 |
| 7 | Jaru | 50,591 | N/A | N/A | N/A | 34.3 |
| 8 | Guajará Mirim | 39,387 | N/A | N/A | N/A | 34.3 |
| 9 | Rolim de Moura do Guaporé | 37,949 | N/A | N/A | N/A | 34.3 |
| 10 | Pimenta Bueno | 35,079 | N/A | N/A | N/A | 34.3 |
| 11 | Ouro Preto do Oeste | 35,044 | N/A | N/A | N/A | 34.3 |
| 12 | Machadinho d'Oeste | 30,707 | N/A | N/A | N/A | 34.3 |
| 13 | Espigão dOeste | 29,414 | N/A | N/A | N/A | 34.3 |
| 14 | Buritis | 27,992 | N/A | N/A | N/A | 34.3 |
| 15 | Nova Mamoré | 25,444 | N/A | N/A | N/A | 34.3 |
| 16 | Candeias do Jamari | 22,310 | N/A | N/A | N/A | 34.3 |
| 17 | São Miguel do Guaporé | 21,635 | N/A | N/A | N/A | 34.3 |
| 18 | Alta Floresta d'Oeste | 21,494 | N/A | N/A | N/A | 34.3 |
| 19 | Presidente Médici | 19,327 | N/A | N/A | N/A | 34.3 |
| 20 | Alto Paraíso | 16,320 | N/A | N/A | N/A | 34.3 |
| 21 | São Francisco do Guaporé | 16,286 | N/A | N/A | N/A | 34.3 |
| 22 | Cerejeiras | 15,890 | N/A | N/A | N/A | 34.3 |
| 23 | Colorado do Oeste | 15,663 | N/A | N/A | N/A | 34.3 |
| 24 | Cujubim | 14,863 | N/A | N/A | N/A | 34.3 |
| 25 | Alvorada d'Oeste | 13,117 | N/A | N/A | N/A | 34.3 |
| 26 | Costa Marques | 12,627 | N/A | N/A | N/A | 34.3 |
| 27 | Monte Negro | 11,548 | N/A | N/A | N/A | 34.3 |
| 28 | Alto Alegre dos Parecis | 11,479 | N/A | N/A | N/A | 34.3 |
| 29 | Vale do Anari | 11,377 | N/A | N/A | N/A | 34.3 |
| 30 | Seringueiras | 11,171 | N/A | N/A | N/A | 34.3 |
| 31 | Urupá | 10,725 | N/A | N/A | N/A | 34.3 |
| 32 | Chupinguaia | 9,324 | N/A | N/A | N/A | 34.3 |
| 33 | Mirante da Serra | 9,235 | N/A | N/A | N/A | 34.3 |
| 34 | Campo Novo de Rondônia | 8,844 | N/A | N/A | N/A | 34.3 |
| 35 | Itapuã do Oeste | 8,548 | N/A | N/A | N/A | 34.3 |
| 36 | Theobroma | 8,113 | N/A | N/A | N/A | 34.3 |
| 37 | Governador Jorge Teixeira | 8,001 | N/A | N/A | N/A | 34.3 |
| 38 | Novo Horizonte do Oeste | 7,667 | N/A | N/A | N/A | 34.3 |
| 39 | Corumbiara | 7,519 | N/A | N/A | N/A | 34.3 |
| 40 | Santa Luzia d'Oeste | 7,419 | N/A | N/A | N/A | 34.3 |
| 41 | Vale do Paraíso | 6,479 | N/A | N/A | N/A | 34.3 |
| 42 | Ministro Andreazza | 6,466 | N/A | N/A | N/A | 34.3 |
| 43 | Nova União | 6,200 | N/A | N/A | N/A | 34.3 |
| 44 | Extrema | 6,176 | N/A | N/A | N/A | 34.3 |
| 45 | Cabixi | 5,351 | N/A | N/A | N/A | 34.3 |
| 46 | São Felipe d'Oeste | 5,258 | N/A | N/A | N/A | 34.3 |
| 47 | Teixeirópolis | 4,256 | N/A | N/A | N/A | 34.3 |
| 48 | Cacaulândia | 4,150 | N/A | N/A | N/A | 34.3 |
| 49 | Parecis | 4,125 | N/A | N/A | N/A | 34.3 |
| 50 | Rio Crespo | 3,471 | N/A | N/A | N/A | 34.3 |