Astuce :
| nom commune | pop. | code insee | code siren | code postal |
|---|---|---|---|---|
| Alaigne | 331 | 11004 | 211100045 | 11240 |
| Baraigne | 164 | 11026 | 211100268 | 11410 |
| Belflou | 111 | 11030 | 211100300 | 11410 |
| Bellegarde-du-Razès | 252 | 11032 | 211100326 | 11240 |
| Belpech | 1339 | 11033 | 211100334 | 11420 |
| Belvèze-du-Razès | 841 | 11034 | 211100342 | 11240 |
| Bram (chef lieu) | 3252 | 11049 | 211100490 | 11150 |
| Brézilhac | 176 | 11051 | 211100516 | 11270 |
| Brugairolles | 301 | 11053 | 211100532 | 11300 |
| Cahuzac | 30 | 11057 | 211100573 | 11420 |
| Cailhau | 250 | 11058 | 211100581 | 11240 |
| Cailhavel | 150 | 11059 | 211100599 | 11240 |
| Cambieure | 322 | 11061 | 211100615 | 11240 |
| la Cassaigne | 188 | 11072 | 211100722 | 11270 |
| Cazalrenoux | 102 | 11087 | 211100870 | 11270 |
| la Courtète | 48 | 11108 | 211101084 | 11240 |
| Cumiès | 43 | 11114 | 211101142 | 11410 |
| Donazac | 111 | 11121 | 211101217 | 11240 |
| Escueillens-et-Saint-Just-de-Bélengard | 151 | 11128 | 211101282 | 11240 |
| Fajac-la-Relenque | 51 | 11134 | 211101340 | 11410 |
| Fanjeaux | 886 | 11136 | 211101365 | 11270 |
| Fenouillet-du-Razès | 76 | 11139 | 211101399 | 11240 |
| Ferran | 132 | 11141 | 211101415 | 11240 |
| Fonters-du-Razès | 74 | 11149 | 211101498 | 11400 |
| la Force | 259 | 11153 | 211101530 | 11270 |
| Gaja-la-Selve | 136 | 11159 | 211101597 | 11270 |
| Generville | 51 | 11162 | 211101621 | 11270 |
| Gourvieille | 69 | 11166 | 211101662 | 11410 |
| Gramazie | 128 | 11167 | 211101670 | 11240 |
| Hounoux | 133 | 11173 | 211101738 | 11240 |
| Lafage | 96 | 11184 | 211101845 | 11420 |
| Lasserre-de-Prouille | 290 | 11193 | 211101936 | 11270 |
| Laurabuc | 411 | 11195 | 211101951 | 11400 |
| Laurac | 180 | 11196 | 211101969 | 11270 |
| Lauraguel | 621 | 11197 | 211101977 | 11300 |
| Lignairolles | 34 | 11204 | 211102041 | 11240 |
| la Louvière-Lauragais | 80 | 11208 | 211102082 | 11410 |
| Malviès | 362 | 11216 | 211102165 | 11300 |
| Marquein | 80 | 11218 | 211102181 | 11410 |
| Mayreville | 86 | 11226 | 211102264 | 11420 |
| Mazerolles-du-Razès | 154 | 11228 | 211102280 | 11240 |
| Mézerville | 97 | 11231 | 211102314 | 11410 |
| Mireval-Lauragais | 193 | 11234 | 211102348 | 11400 |
| Molandier | 251 | 11236 | 211102363 | 11420 |
| Molleville | 136 | 11238 | 211102389 | 11410 |
| Montauriol | 84 | 11239 | 211102397 | 11410 |
| Montgradail | 49 | 11246 | 211102462 | 11240 |
| Monthaut | 37 | 11247 | 211102470 | 11240 |
| Orsans | 97 | 11268 | 211102686 | 11270 |
| Payra-sur-l'Hers | 208 | 11275 | 211102751 | 11410 |
| Pech-Luna | 76 | 11278 | 211102785 | 11420 |
| Pécharic-et-le-Py | 29 | 11277 | 211102777 | 11420 |
| Pexiora | 1264 | 11281 | 211102819 | 11150 |
| Peyrefitte-sur-l'Hers | 76 | 11283 | 211102835 | 11420 |
| Plaigne | 120 | 11290 | 211102900 | 11420 |
| Plavilla | 142 | 11291 | 211102918 | 11270 |
| Pomy | 51 | 11294 | 211102942 | 11300 |
| Ribouisse | 101 | 11312 | 211103122 | 11270 |
| Routier | 234 | 11328 | 211103288 | 11240 |
| Saint-Amans | 62 | 11331 | 211103312 | 11270 |
| Saint-Gaudéric | 108 | 11343 | 211103437 | 11270 |
| Saint-Julien-de-Briola | 80 | 11348 | 211103486 | 11270 |
| Saint-Michel-de-Lanès | 487 | 11359 | 211103593 | 11410 |
| Saint-Sernin | 42 | 11365 | 211103650 | 11420 |
| Sainte-Camelle | 124 | 11334 | 211103346 | 11410 |
| Salles-sur-l'Hers | 752 | 11371 | 211103718 | 11410 |
| Seignalens | 30 | 11375 | 211103759 | 11240 |
| Villarzel-du-Razès | 95 | 11417 | 211104179 | 11300 |
| Villasavary | 1216 | 11418 | 211104187 | 11150 |
| Villautou | 66 | 11419 | 211104195 | 11420 |
| Villepinte | 1252 | 11434 | 211104344 | 11150 |
| Villesiscle | 366 | 11438 | 211104385 | 11150 |
Le canton de La Piège au Razès est composé de 72 communes entières pour une population de 20476 habitants.