Astuce :
| nom commune | pop. | code insee | code siren | code postal |
|---|---|---|---|---|
| Antichan-de-Frontignes | 188 | 31009 | 213100092 | 31510 |
| Antignac | 89 | 31010 | 213100100 | 31110 |
| Arbas | 279 | 31011 | 213100118 | 31160 |
| Arbon | 95 | 31012 | 213100126 | 31160 |
| Ardiège | 363 | 31013 | 213100134 | 31210 |
| Arguenos | 87 | 31014 | 213100142 | 31160 |
| Argut-Dessous | 22 | 31015 | 213100159 | 31440 |
| Arlos | 103 | 31017 | 213100175 | 31440 |
| Arnaud-Guilhem | 230 | 31018 | 213100183 | 31360 |
| Artigue | 31 | 31019 | 213100191 | 31110 |
| Aspet | 901 | 31020 | 213100209 | 31160 |
| Ausseing | 85 | 31030 | 213100308 | 31260 |
| Auzas | 225 | 31034 | 213100340 | 31360 |
| Bachos | 34 | 31040 | 213100407 | 31440 |
| Bagiry | 109 | 31041 | 213100415 | 31510 |
| Bagnères-de-Luchon (chef lieu) | 2152 | 31042 | 213100423 | 31110 |
| Barbazan | 503 | 31045 | 213100456 | 31510 |
| Baren | 12 | 31046 | 213100464 | 31440 |
| Beauchalot | 646 | 31050 | 213100506 | 31360 |
| Belbèze-en-Comminges | 113 | 31059 | 213100597 | 31260 |
| Benque-Dessous-et-Dessus | 29 | 31064 | 213100647 | 31110 |
| Bezins-Garraux | 43 | 31067 | 213100670 | 31440 |
| Billière | 31 | 31068 | 213100688 | 31110 |
| Binos | 44 | 31590 | 213105901 | 31440 |
| Bourg-d'Oueil | 10 | 31081 | 213100811 | 31110 |
| Boutx | 256 | 31085 | 213100852 | 31440 |
| Burgalays | 120 | 31092 | 213100928 | 31440 |
| Cabanac-Cazaux | 129 | 31095 | 213100951 | 31160 |
| Cassagne | 647 | 31110 | 213101108 | 31260 |
| Castagnède | 183 | 31112 | 213101124 | 31260 |
| Castelbiague | 241 | 31114 | 213101140 | 31160 |
| Castillon-de-Larboust | 79 | 31123 | 213101231 | 31110 |
| Castillon-de-Saint-Martory | 398 | 31124 | 213101249 | 31360 |
| Cathervielle | 37 | 31125 | 213101256 | 31110 |
| Caubous | 4 | 31127 | 213101272 | 31110 |
| Cazaril-Laspènes | 14 | 31129 | 213101298 | 31110 |
| Cazaunous | 68 | 31131 | 213101314 | 31160 |
| Cazaux-Layrisse | 64 | 31132 | 213101322 | 31440 |
| Cazeaux-de-Larboust | 97 | 31133 | 213101330 | 31110 |
| Chaum | 195 | 31139 | 213101397 | 31440 |
| Chein-Dessus | 197 | 31140 | 213101405 | 31160 |
| Cier-de-Luchon | 229 | 31142 | 213101421 | 31110 |
| Cier-de-Rivière | 270 | 31143 | 213101439 | 31510 |
| Cierp-Gaud | 707 | 31144 | 213101447 | 31440 |
| Cirès | 14 | 31146 | 213101462 | 31110 |
| Couret | 224 | 31155 | 213101553 | 31160 |
| Encausse-les-Thermes | 703 | 31167 | 213101678 | 31160 |
| Escoulis | 78 | 31591 | 213105919 | 31260 |
| Estadens | 533 | 31174 | 213101744 | 31160 |
| Esténos | 191 | 31176 | 213101769 | 31440 |
| Eup | 135 | 31177 | 213101777 | 31440 |
| Figarol | 313 | 31183 | 213101835 | 31260 |
| Fos | 232 | 31190 | 213101900 | 31440 |
| Fougaron | 105 | 31191 | 213101918 | 31160 |
| Francazal | 29 | 31195 | 213101959 | 31260 |
| le Fréchet | 112 | 31198 | 213101983 | 31360 |
| Fronsac | 191 | 31199 | 213101991 | 31440 |
| Frontignan-de-Comminges | 77 | 31200 | 213102007 | 31510 |
| Galié | 83 | 31207 | 213102072 | 31510 |
| Ganties | 312 | 31208 | 213102080 | 31160 |
| Garin | 154 | 31213 | 213102130 | 31110 |
| Génos | 76 | 31217 | 213102171 | 31510 |
| Gouaux-de-Larboust | 48 | 31221 | 213102213 | 31110 |
| Gouaux-de-Luchon | 44 | 31222 | 213102221 | 31110 |
| Gourdan-Polignan | 1180 | 31224 | 213102247 | 31210 |
| Guran | 53 | 31235 | 213102353 | 31440 |
| Herran | 70 | 31236 | 213102361 | 31160 |
| His | 236 | 31237 | 213102379 | 31260 |
| Huos | 486 | 31238 | 213102387 | 31210 |
| Izaut-de-l'Hôtel | 293 | 31241 | 213102411 | 31160 |
| Jurvielle | 16 | 31242 | 213102429 | 31110 |
| Juzet-d'Izaut | 184 | 31245 | 213102452 | 31160 |
| Juzet-de-Luchon | 375 | 31244 | 213102445 | 31110 |
| Labroquère | 322 | 31255 | 213102551 | 31510 |
| Laffite-Toupière | 96 | 31260 | 213102601 | 31360 |
| Lège | 33 | 31290 | 213102908 | 31440 |
| Lestelle-de-Saint-Martory | 435 | 31296 | 213102965 | 31360 |
| Lourde | 103 | 31306 | 213103062 | 31510 |
| Luscan | 46 | 31308 | 213103088 | 31510 |
| Malvezie | 108 | 31313 | 213103138 | 31510 |
| Mancioux | 372 | 31314 | 213103146 | 31360 |
| Mane | 959 | 31315 | 213103153 | 31260 |
| Marignac | 501 | 31316 | 213103161 | 31440 |
| Marsoulas | 136 | 31321 | 213103211 | 31260 |
| Martres-de-Rivière | 396 | 31323 | 213103237 | 31210 |
| Mayrègne | 28 | 31335 | 213103351 | 31110 |
| Mazères-sur-Salat | 634 | 31336 | 213103369 | 31260 |
| Melles | 87 | 31337 | 213103377 | 31440 |
| Milhas | 185 | 31342 | 213103427 | 31160 |
| Moncaup | 36 | 31348 | 213103484 | 31160 |
| Mont-de-Galié | 31 | 31369 | 213103690 | 31510 |
| Montastruc-de-Salies | 311 | 31357 | 213103575 | 31160 |
| Montauban-de-Luchon | 513 | 31360 | 213103609 | 31110 |
| Montespan | 462 | 31372 | 213103724 | 31260 |
| Montgaillard-de-Salies | 103 | 31376 | 213103765 | 31260 |
| Montsaunès | 454 | 31391 | 213103914 | 31260 |
| Moustajon | 126 | 31394 | 213103948 | 31110 |
| Oô | 103 | 31404 | 213104045 | 31110 |
| Ore | 121 | 31405 | 213104052 | 31510 |
| Payssous | 83 | 31408 | 213104086 | 31510 |
| Pointis-de-Rivière | 845 | 31426 | 213104268 | 31210 |
| Portet-d'Aspet | 60 | 31431 | 213104318 | 31160 |
| Portet-de-Luchon | 39 | 31432 | 213104326 | 31110 |
| Poubeau | 78 | 31434 | 213104342 | 31110 |
| Proupiary | 66 | 31440 | 213104409 | 31360 |
| Razecueillé | 33 | 31447 | 213104474 | 31160 |
| Roquefort-sur-Garonne | 796 | 31457 | 213104573 | 31360 |
| Rouède | 289 | 31461 | 213104615 | 31160 |
| Saccourvielle | 20 | 31465 | 213104656 | 31110 |
| Saint-Aventin | 60 | 31470 | 213104706 | 31110 |
| Saint-Béat-Lez | 384 | 31471 | 200081198 | 31440 |
| Saint-Bertrand-de-Comminges | 233 | 31472 | 213104722 | 31510 |
| Saint-Mamet | 553 | 31500 | 213105000 | 31110 |
| Saint-Martory | 1052 | 31503 | 213105034 | 31360 |
| Saint-Médard | 225 | 31504 | 213105042 | 31360 |
| Saint-Paul-d'Oueil | 38 | 31508 | 213105083 | 31110 |
| Saint-Pé-d'Ardet | 162 | 31509 | 213105091 | 31510 |
| Saleich | 338 | 31521 | 213105216 | 31260 |
| Salies-du-Salat | 1739 | 31523 | 213105232 | 31260 |
| Salles-et-Pratviel | 126 | 31524 | 213105240 | 31110 |
| Sauveterre-de-Comminges | 706 | 31535 | 213105356 | 31510 |
| Seilhan | 209 | 31542 | 213105422 | 31510 |
| Sengouagnet | 222 | 31544 | 213105448 | 31160 |
| Sepx | 203 | 31545 | 213105455 | 31360 |
| Signac | 44 | 31548 | 213105489 | 31440 |
| Sode | 21 | 31549 | 213105497 | 31110 |
| Soueich | 514 | 31550 | 213105505 | 31160 |
| Touille | 245 | 31554 | 213105547 | 31260 |
| Trébons-de-Luchon | 8 | 31559 | 213105596 | 31110 |
| Urau | 118 | 31562 | 213105620 | 31260 |
| Valcabrère | 147 | 31564 | 213105646 | 31510 |
Le canton de Bagnères-de-Luchon est composé de 131 communes pour une population de 33263 habitants.