| population | |
| Ailly-sur-Noye | 2849 |
| Andechy | 262 |
| Armancourt | 31 |
| Arvillers | 785 |
| Assainvillers | 114 |
| Aubercourt | 84 |
| Aubvillers | 140 |
| Ayencourt | 189 |
| Balatre | 77 |
| Beaucourt-en-Santerre | 182 |
| Becquigny | 125 |
| Berteaucourt-les-Thennes | 437 |
| Beuvraignes | 860 |
| Biarre | 67 |
| Bouillancourt-la-Bataille | 154 |
| Boussicourt | 86 |
| Braches | 258 |
| Bus-la-Mesiere | 177 |
| Cantigny | 116 |
| Carrepuis | 274 |
| Cayeux-en-Santerre | 120 |
| Champien | 268 |
| Chaussoy-Epagny | 576 |
| Chirmont | 121 |
| Cottenchy | 579 |
| Coullemelle | 339 |
| Courtemanche | 101 |
| Cremery | 113 |
| Cressy-Omencourt | 122 |
| Damery | 239 |
| Dancourt-Popincourt | 152 |
| Davenescourt | 562 |
| Demuin | 477 |
| Domart-sur-la-Luce | 428 |
| Dommartin | 349 |
| Erches | 186 |
| Ercheu | 796 |
| population | |
| Le Quesnel | 798 |
| Liancourt-Fosse | 294 |
| Lignieres | 132 |
| Louvrechy | 199 |
| Mailly-Raineval | 298 |
| Malpart | 81 |
| Marche-Allouarde | 56 |
| Marestmontiers | 113 |
| Marquivillers | 185 |
| Mesnil-Saint-Georges | 185 |
| Mezieres-en-Santerre | 581 |
| Montdidier | 6274 |
| Moreuil | 3992 |
| Morisel | 509 |
| Piennes-Onvillers | 364 |
| Quiry-le-Sec | 326 |
| Remaugies | 132 |
| Rogy | 128 |
| Roiglise | 156 |
| Rollot | 741 |
| Rouvrel | 304 |
| Roye | 5864 |
| Rubescourt | 134 |
| Saint-Mard | 171 |
| Sauvillers-Mongival | 174 |
| Sourdon | 313 |
| Thennes | 535 |
| Thory | 189 |
| Tilloloy | 351 |
| Trois-Rivieres | 1490 |
| Verpillieres | 158 |
| Villers-aux-Erables | 121 |
| Villers-les-Roye | 277 |
| Villers-Tournelle | 157 |
| Warsy | 142 |
 | Albert-Bray Airport | ~ 30.74 km |
| Paris Beauvais Tillé Airport | ~ 43.79 km |
| Creil Air Base | ~ 50.46 km |
| Charles de Gaulle International Airport | ~ 77.06 km |
| Aérodrome de Pontoise - Cormeilles en Vexin | ~ 78.16 km |
| Paris-Le Bourget Airport | ~ 82.47 km |
| Paris Issy-les-Moulineaux Heliport | ~ 99.53 km |
| Merville-Calonne Airport | ~ 101.60 km |
| Lille-Lesquin Airport | ~ 101.98 km |
