Astuce :
| nom commune | pop. | code insee | code siren | code postal |
|---|---|---|---|---|
| Agassac | 117 | 31001 | 213100019 | 31230 |
| Alan | 289 | 31005 | 213100050 | 31420 |
| Ambax | 59 | 31007 | 213100076 | 31230 |
| Anan | 265 | 31008 | 213100084 | 31230 |
| Aulon | 313 | 31023 | 213100233 | 31420 |
| Aurignac | 1240 | 31028 | 213100282 | 31420 |
| Bachas | 89 | 31039 | 213100399 | 31420 |
| Beaufort | 479 | 31051 | 213100514 | 31370 |
| Benque | 175 | 31063 | 213100639 | 31420 |
| Bérat | 3079 | 31065 | 213100654 | 31370 |
| Boissède | 68 | 31072 | 213100720 | 31230 |
| Boussan | 230 | 31083 | 213100837 | 31420 |
| Boussens | 1108 | 31084 | 213100845 | 31360 |
| Bouzin | 81 | 31086 | 213100860 | 31420 |
| Cambernard | 496 | 31101 | 213101017 | 31470 |
| Cassagnabère-Tournas | 467 | 31109 | 213101090 | 31420 |
| Castelgaillard | 56 | 31115 | 213101157 | 31230 |
| Castelnau-Picampeau | 226 | 31119 | 213101199 | 31430 |
| Casties-Labrande | 95 | 31122 | 213101223 | 31430 |
| Cazac | 78 | 31593 | 213105935 | 31230 |
| Cazeneuve-Montaut | 90 | 31134 | 213101348 | 31420 |
| Cazères (chef lieu) | 4818 | 31135 | 213101355 | 31220 |
| Coueilles | 90 | 31152 | 213101520 | 31230 |
| Couladère | 413 | 31153 | 213101538 | 31220 |
| Eoux | 131 | 31168 | 213101686 | 31420 |
| Esparron | 42 | 31172 | 213101728 | 31420 |
| Fabas | 199 | 31178 | 213101785 | 31230 |
| Forgues | 217 | 31189 | 213101892 | 31370 |
| le Fousseret | 1875 | 31193 | 213101934 | 31430 |
| Francon | 239 | 31196 | 213101967 | 31420 |
| Frontignan-Savès | 67 | 31201 | 213102015 | 31230 |
| Fustignac | 71 | 31204 | 213102049 | 31430 |
| Goudex | 40 | 31223 | 213102239 | 31230 |
| Gratens | 763 | 31229 | 213102296 | 31430 |
| l' Isle-en-Dodon | 1622 | 31239 | 213102395 | 31230 |
| Labastide-Clermont | 682 | 31250 | 213102502 | 31370 |
| Labastide-Paumès | 151 | 31251 | 213102510 | 31230 |
| Lahage | 205 | 31266 | 213102668 | 31370 |
| Latoue | 306 | 31278 | 213102783 | 31800 |
| Lautignac | 247 | 31283 | 213102833 | 31370 |
| Lescuns | 74 | 31292 | 213102924 | 31220 |
| Lherm | 3849 | 31299 | 213102999 | 31600 |
| Lilhac | 136 | 31301 | 213103013 | 31230 |
| Lussan-Adeilhac | 238 | 31309 | 213103096 | 31430 |
| Marignac-Lasclares | 476 | 31317 | 213103179 | 31430 |
| Marignac-Laspeyres | 199 | 31318 | 213103187 | 31220 |
| Martisserre | 66 | 31322 | 213103229 | 31230 |
| Martres-Tolosane | 2388 | 31324 | 213103245 | 31220 |
| Mauran | 203 | 31327 | 213103278 | 31220 |
| Mauvezin | 85 | 31333 | 213103336 | 31230 |
| Mauvezin | 85 | 31333 | 213103336 | 31230 |
| Mirambeau | 62 | 31343 | 213103435 | 31230 |
| Molas | 164 | 31347 | 213103476 | 31230 |
| Mondavezan | 899 | 31349 | 213103492 | 31220 |
| Monès | 88 | 31353 | 213103534 | 31370 |
| Montastruc-Savès | 63 | 31359 | 213103591 | 31370 |
| Montberaud | 195 | 31362 | 213103625 | 31220 |
| Montbernard | 211 | 31363 | 213103633 | 31230 |
| Montclar-de-Comminges | 75 | 31367 | 213103674 | 31220 |
| Montégut-Bourjac | 128 | 31370 | 213103708 | 31430 |
| Montesquieu-Guittaut | 171 | 31373 | 213103732 | 31230 |
| Montgras | 115 | 31382 | 213103823 | 31370 |
| Montoulieu-Saint-Bernard | 223 | 31386 | 213103864 | 31420 |
| Montoussin | 130 | 31387 | 213103872 | 31430 |
| Palaminy | 772 | 31406 | 213104060 | 31220 |
| Peyrissas | 83 | 31414 | 213104144 | 31420 |
| Peyrouzet | 81 | 31415 | 213104151 | 31420 |
| le Pin-Murelet | 166 | 31419 | 213104193 | 31370 |
| Plagne | 95 | 31422 | 213104227 | 31220 |
| Plagnole | 333 | 31423 | 213104235 | 31370 |
| le Plan | 434 | 31425 | 213104250 | 31220 |
| Polastron | 64 | 31428 | 213104284 | 31430 |
| Poucharramet | 968 | 31435 | 213104359 | 31370 |
| Pouy-de-Touges | 432 | 31436 | 213104367 | 31430 |
| Puymaurin | 310 | 31443 | 213104433 | 31230 |
| Rieumes | 3564 | 31454 | 213104540 | 31370 |
| Riolas | 55 | 31456 | 213104565 | 31230 |
| Saint-André | 241 | 31468 | 213104680 | 31420 |
| Saint-Araille | 125 | 31469 | 213104698 | 31430 |
| Saint-Élix-le-Château | 927 | 31476 | 213104763 | 31430 |
| Saint-Élix-Séglan | 47 | 31477 | 213104771 | 31420 |
| Saint-Frajou | 205 | 31482 | 213104821 | 31230 |
| Saint-Laurent | 177 | 31494 | 213104946 | 31230 |
| Saint-Michel | 310 | 31505 | 213105059 | 31220 |
| Sainte-Foy-de-Peyrolières | 2093 | 31481 | 213104813 | 31470 |
| Sajas | 105 | 31520 | 213105208 | 31370 |
| Salerm | 64 | 31522 | 213105224 | 31230 |
| Samouillan | 110 | 31529 | 213105299 | 31420 |
| Sana | 239 | 31530 | 213105307 | 31220 |
| Savères | 213 | 31538 | 213105380 | 31370 |
| Sénarens | 118 | 31543 | 213105430 | 31430 |
| Terrebasse | 139 | 31552 | 213105521 | 31420 |
Le canton de Cazères est composé de 92 communes entières pour une population de 44071 habitants.