| Pop. (2002) | |
| Allande | 2,374 |
| Aller | 14,786 |
| Amieva | 889 |
| Avilés | 83,511 |
| Belmonte de Miranda | 2,209 |
| Bimenes | 2,071 |
| Boal | 2,409 |
| Cabrales | 2,362 |
| Cabranes | 1,184 |
| Candamo | 2,503 |
| Cangas de Onís | 6,326 |
| Cangas del Narcea | 16,612 |
| Caravia | 575 |
| Carreño | 10,527 |
| Caso | 1,995 |
| Castrillón | 22,534 |
| Castropol | 4,204 |
| Coaña | 3,646 |
| Colunga | 4,165 |
| Corvera de Asturias | 15,951 |
| Cudillero | 6,055 |
| Degaña | 1,483 |
| El Franco | 4,162 |
| Gijón | 270,211 |
| Gozón | 11,006 |
| Grado | 11,518 |
| Grandas de Salime | 1,295 |
| Ibias | 2,098 |
| Illano | 620 |
| Illas | 1,098 |
| Langreo | 47,796 |
| Laviana | 14,606 |
| Lena | 13,717 |
| Llanera | 12,279 |
| Llanes | 13,125 |
| Mieres | 48,418 |
| Morcín | 3,094 |
| Muros de Nalón | 2,189 |
| Nava | 5,550 |
| Navia | 9,068 |
| Noreña | 4,452 |
| Onís | 864 |
| Oviedo | 202,938 |
| Parres | 5,591 |
| Peñamellera Alta | 699 |
| Peñamellera Baja | 1,557 |
| Pesoz | 238 |
| Piloña | 8,667 |
| Ponga | 728 |
| Pravia | 9,245 |
| Proaza | 876 |
| Quirós | 1,566 |
| Las Regueras | 2,097 |
| Ribadedeva | 1,828 |
| Ribadesella | 6,270 |
| Ribera de Arriba | 1,987 |
| Riosa | 2,543 |
| Salas | 6,695 |
| San Martín de Oscos | 502 |
| San Martín del Rey Aurelio | 20,186 |
| San Tirso de Abres | 628 |
| Santa Eulalia de Oscos | 557 |
| Santo Adriano | 320 |
| Sariego | 1,372 |
| Siero | 48,569 |
| Sobrescobio | 839 |
| Somiedo | 1,631 |
| Soto del Barco | 4,178 |
| Tapia de Casariego | 4,358 |
| Taramundi | 875 |
| Teverga | 2,172 |
| Tineo | 12,566 |
| Valdés | 14,854 |
| Vegadeo | 4,573 |
| Villanueva de Oscos | 419 |
| Villaviciosa | 14,189 |
| Villayón | 1,895 |
| Yernes y Tameza | 226 |