Data from INE (Statistic National Institute), 2004
| 1 | Gijón | 266.419 | 40 | Candamo | 2.523
|
| 2 | Oviedo | 201.154 | 41 | Riosa | 2.510
|
| 3 | Avilés | 83.185 | 42 | Boal | 2.395
|
| 4 | Siero | 47.890 | 43 | Allande | 2.395
|
| 5 | Mieres | 47.719 | 44 | Cabrales | 2.323
|
| 6 | Langreo | 45.731 | 45 | Muros de Nalón | 2.178
|
| 7 | Castrillón | 22.501 | 46 | Belmonte de Miranda | 2.159
|
| 8 | San Martín del Rey Aurelio | 20.247 | 47 | Regueras, Las | 2.145
|
| 9 | Cangas del Narcea | 16.511 | 48 | Teverga | 2.111
|
| 10 | Corvera de Asturias | 15.885 | 49 | Ibias | 2.082
|
| 11 | Valdés | 14.789 | 50 | Bimenes | 2.038
|
| 12 | Aller | 14.639 | 51 | Ribera de Arriba | 1.979
|
| 13 | Laviana | 14.531 | 52 | Caso | 1.962
|
| 14 | Villaviciosa | 13.951 | 53 | Villayón | 1.895
|
| 15 | Lena | 13.573 | 54 | Ribadedeva | 1.806
|
| 16 | Llanes | 13.276 | 55 | Somiedo | 1.565
|
| 17 | Tineo | 12.598 | 56 | Peñamellera Baja | 1.560
|
| 18 | Llanera | 12.302 | 57 | Quirós | 1.488
|
| 19 | Grado | 11.454 | 58 | Degaña | 1.385
|
| 20 | Gozón | 11.074 | 59 | Sariego | 1.372
|
| 21 | Carreño | 10.564 | 60 | Grandas de Salime | 1.271
|
| 22 | Pravia | 9.226 | 61 | Cabranes | 1.155
|
| 23 | Navia | 9.063 | 62 | Illas | 1.108
|
| 24 | Piloña | 8.608 | 63 | Taramundi | 875
|
| 25 | Salas | 6.705 | 64 | Amieva | 867
|
| 26 | Ribadesella | 6.252 | 65 | Proaza | 853
|
| 27 | Cudillero | 6.094 | 66 | Onís | 847
|
| 28 | Cangas de Onís | 6.068 | 67 | Sobrescobio | 831
|
| 29 | Parres | 5.543 | 68 | Peñamellera Alta | 708
|
| 30 | Nava | 5.406 | 69 | Ponga | 701
|
| 31 | Vegadeo | 4.561 | 70 | San Tirso de Abres | 624
|
| 32 | Noreña | 4.490 | 71 | Illano | 618
|
| 33 | Tapia de Casariego | 4.315 | 72 | Caravia | 577
|
| 34 | Colunga | 4.282 | 73 | Santa Eulalia de Oscos | 557
|
| 35 | Castropol | 4.222 | 74 | San Martín de Oscos | 494
|
| 36 | Soto del Barco | 4.174 | 75 | Villanueva de Oscos | 419
|
| 37 | Franco, El | 4.123 | 76 | Santo Adriano | 319
|
| 38 | Coaña | 3.651 | 77 | Pesoz | 241
|
| 39 | Morcín | 3.068 | 78 | Yernes y Tameza | 218
|
