| population | |
| Aignan | 732 |
| Arblade-le-Bas | 153 |
| Armentieux | 77 |
| Armous-et-Cau | 86 |
| Arrouede | 109 |
| Aujan-Mournede | 89 |
| Aurensan | 135 |
| Aussos | 79 |
| Aux-Aussat | 271 |
| Averon-Bergelle | 146 |
| Barcelonne-du-Gers | 1368 |
| Barcugnan | 107 |
| Barran | 678 |
| Bars | 142 |
| Bassoues | 322 |
| Bazugues | 59 |
| Beaumarches | 668 |
| Beccas | 115 |
| Bellegarde | 187 |
| Belloc-Saint-Clamens | 129 |
| Berdoues | 445 |
| Bernede | 204 |
| Betplan | 101 |
| Bezues-Bajon | 190 |
| Blousson-Serian | 42 |
| Boucagneres | 203 |
| Bouzon-Gellenave | 193 |
| Cabas-Loumasses | 51 |
| Cahuzac-sur-Adour | 230 |
| Castelnau-d'Angles | 92 |
| Castelnavet | 128 |
| Castex | 89 |
| Caumont | 105 |
| Cazaux-Villecomtal | 72 |
| Chelan | 175 |
| Clermont-Pouyguilles | 157 |
| Corneillan | 140 |
| Couloume-Mondebat | 194 |
| Courties | 54 |
| Cuelas | 124 |
| Duffort | 140 |
| Durban | 162 |
| Esclassan-Labastide | 364 |
| Estampes | 161 |
| Estipouy | 210 |
| Faget-Abbatial | 218 |
| Fusterouau | 132 |
| Galiax | 155 |
| Gee-Riviere | 45 |
| Goux | 70 |
| Haget | 333 |
| Haulies | 157 |
| Idrac-Respailles | 214 |
| Izotges | 112 |
| Ju-Belloc | 298 |
| population | |
| Juillac | 124 |
| L'Isle-de-Noe | 538 |
| Laas | 295 |
| Labarthe | 156 |
| Labarthete | 140 |
| Labejan | 317 |
| Ladeveze-Riviere | 214 |
| Ladeveze-Ville | 249 |
| Lagarde-Hachan | 162 |
| Laguian-Mazous | 239 |
| Lalanne-Arque | 157 |
| Lamaguere | 81 |
| Lamazere | 123 |
| Lannux | 244 |
| Lasserade | 202 |
| Lasseran | 391 |
| Lasseube-Propre | 332 |
| Laveraet | 108 |
| Le Brouilh-Monbert | 227 |
| Lelin-Lapujolle | 275 |
| Loubersan | 156 |
| Lourties-Monbrun | 152 |
| Louslitges | 72 |
| Loussous-Debat | 60 |
| Malabat | 118 |
| Manas-Bastanous | 80 |
| Manent-Montane | 93 |
| Marciac | 1236 |
| Margouet-Meymes | 187 |
| Marseillan | 96 |
| Mascaras | 63 |
| Masseube | 1511 |
| Maulicheres | 169 |
| Maumusson-Laguian | 141 |
| Meilhan | 81 |
| Mielan | 1149 |
| Miramont-d'Astarac | 350 |
| Mirande | 3483 |
| Monbardon | 86 |
| Moncassin | 137 |
| Monclar-sur-Losse | 104 |
| Moncorneil-Grazan | 159 |
| Monferran-Plaves | 123 |
| Monlaur-Bernet | 157 |
| Monlezun | 198 |
| Monpardiac | 45 |
| Mont-d'Astarac | 109 |
| Mont-de-Marrast | 111 |
| Montaut | 119 |
| Montegut-Arros | 297 |
| Montesquiou | 583 |
| Monties | 76 |
| Mouches | 74 |
| Orbessan | 278 |
| Ornezan | 229 |
| population | |
| Pallanne | 60 |
| Panassac | 286 |
| Plaisance | 1474 |
| Ponsampere | 135 |
| Ponsan-Soubiran | 95 |
| Pouy-Loubrin | 84 |
| Pouydraguin | 137 |
| Pouylebon | 136 |
| Prechac-sur-Adour | 203 |
| Projan | 180 |
| Ricourt | 67 |
| Riscle | 1802 |
| Sabazan | 135 |
| Sadeillan | 88 |
| Saint-Arroman | 138 |
| Saint-Aunix-Lengros | 143 |
| Saint-Blancard | 340 |
| Saint-Christaud | 64 |
| Saint-Elix-Theux | 107 |
| Saint-Germe | 495 |
| Saint-Jean-le-Comtal | 408 |
| Saint-Justin | 131 |
| Saint-Martin | 454 |
| Saint-Maur | 146 |
| Saint-Medard | 324 |
| Saint-Michel | 258 |
| Saint-Mont | 321 |
| Saint-Ost | 83 |
| Sainte-Aurence-Cazaux | 104 |
| Sainte-Dode | 213 |
| Samaran | 90 |
| Sansan | 98 |
| Sarcos | 72 |
| Sarragachies | 247 |
| Sarraguzan | 84 |
| Sauviac | 109 |
| Scieurac-et-Floures | 41 |
| Segos | 234 |
| Seissan | 1096 |
| Semboues | 60 |
| Sere | 76 |
| Tachoires | 97 |
| Tarsac | 168 |
| Tasque | 256 |
| Termes-d'Armagnac | 189 |
| Tieste-Uragnoux | 177 |
| Tillac | 280 |
| Tourdun | 111 |
| Traverseres | 72 |
| Troncens | 184 |
| Vergoignan | 291 |
| Verlus | 99 |
| Viella | 520 |
| Villecomtal-sur-Arros | 845 |
| Viozan | 110 |
 | Tarbes-Lourdes-Pyrénées Airport | ~ 43.61 km |
| Pau Pyrénées Airport | ~ 56.31 km |
| Agen-La Garenne Airport | ~ 77.37 km |
| Toulouse-Blagnac Airport | ~ 90.46 km |
| Aérodrome de Cahors-Lalbenque | ~ 134.51 km |
| Biarritz-Anglet-Bayonne Airport | ~ 143.83 km |
| Bergerac-Roumanière Airport | ~ 146.32 km |
| Albi-Le Séquestre Airport | ~ 155.86 km |
 | Pirineus - la Seu d'Urgel Airport | ~ 162.05 km |
