At the other end of the ranking, Paris is the department with the fewest communes, with 1 communes.
The ranking covers the 100 departments in the database: the 96 in mainland France and four overseas departments (Guadeloupe, Martinique, French Guiana and Réunion); Mayotte is not included.
The ranking of departments: number of communes
| Rank | Department | Region | Communes | Proportional bar | Population |
|---|---|---|---|---|---|
| 1 | Pas-de-Calais (62) | Hauts-de-France | 887 | 1,479,365 | |
| 2 | Aisne (02) | Hauts-de-France | 797 | 534,380 | |
| 3 | Somme (80) | Hauts-de-France | 771 | 575,371 | |
| 4 | Moselle (57) | Grand Est | 725 | 1,068,899 | |
| 5 | Seine-Maritime (76) | Normandy | 707 | 1,281,667 | |
| 6 | Côte-d'Or (21) | Bourgogne-Franche-Comté | 698 | 551,336 | |
| 7 | Oise (60) | Hauts-de-France | 680 | 846,757 | |
| 8 | Nord (59) | Hauts-de-France | 647 | 2,645,946 | |
| 9 | Marne (51) | Grand Est | 610 | 574,142 | |
| 10 | Meurthe-et-Moselle (54) | Grand Est | 591 | 743,353 | |
| 11 | Haute-Garonne (31) | Occitanie | 586 | 1,494,734 | |
| 12 | Eure (27) | Normandy | 585 | 616,217 | |
| 13 tied | Saône-et-Loire (71) | Bourgogne-Franche-Comté | 563 | 564,938 | |
| 13 tied | Doubs (25) | Bourgogne-Franche-Comté | 563 | 560,477 | |
| 15 | Pyrénées-Atlantiques (64) | Nouvelle-Aquitaine | 545 | 725,655 | |
| 16 | Haute-Saône (70) | Bourgogne-Franche-Comté | 536 | 239,102 | |
| 17 | Gironde (33) | Nouvelle-Aquitaine | 534 | 1,716,986 | |
| 18 | Calvados (14) | Normandy | 526 | 722,979 | |
| 19 | Bas-Rhin (67) | Grand Est | 514 | 1,178,940 | |
| 20 | Isère (38) | Auvergne-Rhône-Alpes | 512 | 1,324,225 | |
| 21 | Seine-et-Marne (77) | Île-de-France | 507 | 1,484,180 | |
| 22 | Vosges (88) | Grand Est | 506 | 367,295 | |
| 23 | Dordogne (24) | Nouvelle-Aquitaine | 503 | 427,558 | |
| 24 | Meuse (55) | Grand Est | 499 | 185,178 | |
| 25 | Jura (39) | Bourgogne-Franche-Comté | 492 | 266,940 | |
| 26 | Hautes-Pyrénées (65) | Occitanie | 469 | 237,032 | |
| 27 | Puy-de-Dôme (63) | Auvergne-Rhône-Alpes | 463 | 678,624 | |
| 28 | Charente-Maritime (17) | Nouvelle-Aquitaine | 462 | 688,067 | |
| 29 | Gers (32) | Occitanie | 458 | 198,955 | |
| 30 | Ardennes (08) | Grand Est | 447 | 271,604 | |
| 31 | Manche (50) | Normandy | 445 | 512,167 | |
| 32 | Aude (11) | Occitanie | 433 | 387,874 | |
| 33 | Aube (10) | Grand Est | 431 | 317,296 | |
| 34 | Haute-Marne (52) | Grand Est | 426 | 172,981 | |
| 35 | Yonne (89) | Bourgogne-Franche-Comté | 423 | 340,359 | |
| 36 | Ain (01) | Auvergne-Rhône-Alpes | 391 | 694,945 | |
| 37 | Orne (61) | Normandy | 381 | 282,417 | |
| 38 | Haut-Rhin (68) | Grand Est | 366 | 784,356 | |
| 39 | Eure-et-Loir (28) | Centre-Val de Loire | 363 | 443,227 | |
| 40 | Drôme (26) | Auvergne-Rhône-Alpes | 362 | 536,948 | |
| 41 | Charente (16) | Nouvelle-Aquitaine | 359 | 361,286 | |
| 42 | Sarthe (72) | Pays de la Loire | 352 | 579,227 | |
| 43 | Gard (30) | Occitanie | 350 | 784,471 | |
| 44 | Côtes-d'Armor (22) | Brittany | 344 | 629,517 | |
| 45 | Hérault (34) | Occitanie | 341 | 1,248,501 | |
| 46 | Ardèche (07) | Auvergne-Rhône-Alpes | 335 | 342,599 | |
| 47 | Ille-et-Vilaine (35) | Brittany | 332 | 1,145,286 | |
| 48 | Landes (40) | Nouvelle-Aquitaine | 327 | 445,828 | |
| 49 tied | Loiret (45) | Centre-Val de Loire | 325 | 705,712 | |
| 49 tied | Ariège (09) | Occitanie | 325 | 159,684 | |
| 51 | Loire (42) | Auvergne-Rhône-Alpes | 320 | 788,024 | |
| 52 | Lot-et-Garonne (47) | Nouvelle-Aquitaine | 319 | 341,487 | |
| 53 | Allier (03) | Auvergne-Rhône-Alpes | 317 | 341,713 | |
| 54 | Tarn (81) | Occitanie | 314 | 407,233 | |
| 55 | Lot (46) | Occitanie | 312 | 181,747 | |
| 56 | Nièvre (58) | Bourgogne-Franche-Comté | 309 | 206,356 | |
| 57 | Cher (18) | Centre-Val de Loire | 286 | 305,233 | |
| 58 | Aveyron (12) | Occitanie | 285 | 289,413 | |
| 59 | Haute-Savoie (74) | Auvergne-Rhône-Alpes | 279 | 881,729 | |
| 60 tied | Finistère (29) | Brittany | 277 | 957,671 | |
| 60 tied | Corrèze (19) | Nouvelle-Aquitaine | 277 | 248,289 | |
| 62 | Savoie (73) | Auvergne-Rhône-Alpes | 273 | 460,217 | |
| 63 | Indre-et-Loire (37) | Centre-Val de Loire | 272 | 631,334 | |
| 64 | Loir-et-Cher (41) | Centre-Val de Loire | 267 | 337,089 | |
| 65 | Rhône (69) | Auvergne-Rhône-Alpes | 266 | 1,940,015 | |
| 66 | Vienne (86) | Nouvelle-Aquitaine | 265 | 449,082 | |
| 67 | Yvelines (78) | Île-de-France | 259 | 1,508,510 | |
| 68 | Haute-Loire (43) | Auvergne-Rhône-Alpes | 257 | 235,575 | |
| 69 | Creuse (23) | Nouvelle-Aquitaine | 255 | 118,760 | |
| 70 | Vendée (85) | Pays de la Loire | 253 | 732,903 | |
| 71 | Deux-Sèvres (79) | Nouvelle-Aquitaine | 252 | 385,771 | |
| 72 | Cantal (15) | Auvergne-Rhône-Alpes | 250 | 148,813 | |
| 73 | Morbihan (56) | Brittany | 249 | 804,597 | |
| 74 | Indre (36) | Centre-Val de Loire | 241 | 221,574 | |
| 75 | Mayenne (53) | Pays de la Loire | 240 | 314,446 | |
| 76 | Haute-Corse (2B) | Corsica | 236 | 189,722 | |
| 77 | Pyrénées-Orientales (66) | Occitanie | 226 | 504,938 | |
| 78 | Loire-Atlantique (44) | Pays de la Loire | 207 | 1,517,043 | |
| 79 | Alpes-de-Haute-Provence (04) | Provence-Alpes-Côte d'Azur | 198 | 172,385 | |
| 80 tied | Haute-Vienne (87) | Nouvelle-Aquitaine | 195 | 379,464 | |
| 80 tied | Tarn-et-Garonne (82) | Occitanie | 195 | 271,650 | |
| 82 | Essonne (91) | Île-de-France | 194 | 1,351,891 | |
| 83 | Val-d'Oise (95) | Île-de-France | 183 | 1,290,942 | |
| 84 | Maine-et-Loire (49) | Pays de la Loire | 176 | 853,768 | |
| 85 | Alpes-Maritimes (06) | Provence-Alpes-Côte d'Azur | 163 | 1,142,503 | |
| 86 | Hautes-Alpes (05) | Provence-Alpes-Côte d'Azur | 162 | 147,756 | |
| 87 | Var (83) | Provence-Alpes-Côte d'Azur | 153 | 1,135,585 | |
| 88 | Lozère (48) | Occitanie | 152 | 79,964 | |
| 89 | Vaucluse (84) | Provence-Alpes-Côte d'Azur | 151 | 582,656 | |
| 90 | Corse-du-Sud (2A) | Corsica | 124 | 170,548 | |
| 91 | Bouches-du-Rhône (13) | Provence-Alpes-Côte d'Azur | 119 | 2,112,170 | |
| 92 | Territoire de Belfort (90) | Bourgogne-Franche-Comté | 101 | 143,144 | |
| 93 | Val-de-Marne (94) | Île-de-France | 47 | 1,435,612 | |
| 94 | Seine-Saint-Denis (93) | Île-de-France | 39 | 1,710,659 | |
| 95 | Hauts-de-Seine (92) | Île-de-France | 36 | 1,670,575 | |
| 96 | Martinique (972) | Martinique | 34 | 364,348 | |
| 97 | Guadeloupe (971) | Guadeloupe | 32 | 388,493 | |
| 98 | Réunion (974) | Réunion | 24 | 899,660 | |
| 99 | French Guiana (973) | French Guiana | 22 | 296,053 | |
| 100 | Paris (75) | Île-de-France | 1 | 2,119,412 |
Source: INSEE, Official Geographic Code (COG). Number of communes on January 1, according to the INSEE Official Geographic Code. Data sources.