There are 74 municipalities within the province of Aosta in Aosta Valley. Allein is the largest city by population with a total of 208 inhabitants.
| Name | Population | Density | Altitude |
|---|---|---|---|
| Allein | 208 | 26pp/km² | 1.190m |
| Antey-saint-andré | 539 | 46pp/km² | 1.074m |
| Aosta | 33.154 | 1.550pp/km² | 583m |
| Arnad | 1.232 | 43pp/km² | 361m |
| Arvier | 820 | 25pp/km² | 776m |
| Avise | 301 | 5,72pp/km² | 775m |
| Ayas | 1.364 | 11pp/km² | 1.699m |
| Aymavilles | 2.098 | 39pp/km² | 640m |
| Bard | 108 | 36pp/km² | 400m |
| Bionaz | 221 | 1,56pp/km² | 1.606m |
| Brissogne | 965 | 38pp/km² | 894m |
| Brusson | 848 | 15pp/km² | 1.338m |
| Challand-saint-anselme | 745 | 27pp/km² | 1.030m |
| Challand-saint-victor | 551 | 22pp/km² | 744m |
| Chambave | 875 | 41pp/km² | 480m |
| Chamois | 107 | 7,36pp/km² | 1.816m |
| Champdepraz | 730 | 15pp/km² | 523m |
| Champorcher | 367 | 5,36pp/km² | 1.427m |
| Charvensod | 2.412 | 93pp/km² | 766m |
| Châtillon | 4.370 | 110pp/km² | 549m |
| Cogne | 1.312 | 6,16pp/km² | 1.544m |
| Courmayeur | 2.608 | 12pp/km² | 1.224m |
| Donnas | 2.419 | 71pp/km² | 322m |
| Doues | 511 | 31pp/km² | 1.176m |
| Emarèse | 229 | 22pp/km² | 1.170m |
| Etroubles | 478 | 12pp/km² | 1.270m |
| Fontainemore | 419 | 13pp/km² | 760m |
| Fénis | 1.772 | 26pp/km² | 541m |
| Gaby | 420 | 13pp/km² | 1.047m |
| Gignod | 1.679 | 65pp/km² | 988m |
| Gressan | 3.360 | 133pp/km² | 626m |
| Gressoney-la-trinité | 323 | 4,86pp/km² | 1.624m |
| Gressoney-saint-jean | 774 | 11pp/km² | 1.385m |
| Hône | 1.140 | 90pp/km² | 364m |
| Introd | 648 | 32pp/km² | 869m |
| Issime | 366 | 11pp/km² | 960m |
| Issogne | 1.301 | 55pp/km² | 387m |
| Jovençan | 704 | 100pp/km² | 632m |
| La magdeleine | 103 | 12pp/km² | 1.644m |
| La salle | 2.022 | 24pp/km² | 1.001m |
| La thuile | 789 | 6,28pp/km² | 1.441m |
| Lillianes | 425 | 23pp/km² | 655m |
| Montjovet | 1.757 | 94pp/km² | 406m |
| Morgex | 2.059 | 47pp/km² | 923m |
| Nus | 2.989 | 52pp/km² | 529m |
| Ollomont | 170 | 3,18pp/km² | 1.356m |
| Oyace | 209 | 6,84pp/km² | 1.377m |
| Perloz | 459 | 20pp/km² | 661m |
| Pollein | 1.487 | 97pp/km² | 551m |
| Pont-saint-martin | 3.541 | 512pp/km² | 345m |
| Pontboset | 172 | 5,13pp/km² | 780m |
| Pontey | 790 | 50pp/km² | 523m |
| Pré-saint-didier | 981 | 29pp/km² | 1.014m |
| Quart | 4.107 | 66pp/km² | 535m |
| Rhêmes-notre-dame | 79 | 0,91pp/km² | 1.725m |
| Rhêmes-saint-georges | 163 | 4,49pp/km² | 1.218m |
| Roisan | 1.003 | 69pp/km² | 870m |
| Saint-christophe | 3.482 | 236pp/km² | 619m |
| Saint-denis | 362 | 32pp/km² | 820m |
| Saint-marcel | 1.308 | 31pp/km² | 625m |
| Saint-nicolas | 327 | 21pp/km² | 1.200m |
| Saint-oyen | 200 | 21pp/km² | 1.372m |
| Saint-pierre | 3.260 | 125pp/km² | 676m |
| Saint-rhémy-en-bosses | 334 | 5,15pp/km² | 1.519m |
| Saint-vincent | 4.459 | 217pp/km² | 575m |
| Sarre | 4.826 | 171pp/km² | 625m |
| Torgnon | 556 | 13pp/km² | 1.489m |
| Valgrisenche | 191 | 1,68pp/km² | 1.664m |
| Valpelline | 595 | 19pp/km² | 960m |
| Valsavarenche | 161 | 1,16pp/km² | 1.541m |
| Valtournenche | 2.183 | 19pp/km² | 1.528m |
| Verrayes | 1.294 | 58pp/km² | 1.017m |
| Verrès | 2.541 | 304pp/km² | 391m |
| Villeneuve | 1.268 | 144pp/km² | 670m |
