| VIR91 | Viry-Châtillon | 44000 | | | | | |
| EVR91 | Évry | 30592 | | | | | |
| BUR91 | Bures-sur-Yvette | 28000 | | | | | |
| LJU91 | Longjumeau | 25000 | | | | | |
| VIG91 | Vigneux-sur-Seine | 25000 | | | | | |
| SGE91 | Sainte-Geneviève-des-Bois | 23000 | | | | | |
| COR91 | Corbeil-Essonnes | 20000 | | | | | |
| MRY91 | Montlhéry | 20000 | | | | | |
| RIS91 | Ris-Orangis | 19000 | | | | | |
| VBO91 | Villebon-sur-Yvette | 18568 | | | | | |
| BTY91 | Brétigny-sur-Orge | 17000 | | | | | |
| BRN91 | Brunoy | 17000 | | | | | |
| MAS91 | Massy | 17000 | | | | | |
| MOR91 | Sainte-Geneviève-des-Bois Morsang | 16310 | | | | | |
| YER91 | Yerres | 16033 | | | | | |
| SGC91 | Saint-Germain-lès-Corbeil | 16000 | | | | | |
| ATM91 | Athis-Mons | 16000 | | | | | |
| VER91 | Massy Verrieres | 16000 | | | | | |
| ARP91 | Arpajon | 14072 | | | | | |
| ETA91 | Étampes | 14000 | | | | | |
| CMZ91 | Chilly-Mazarin | 12079 | | | | | |
| ATH91 | Athis-Mons | 12000 | | | | | |
| MTG91 | Montgeron | 9587 | | | | | |
| SAC91 | Saclay | 9153 | | | | | |
| LIS91 | Lisses | 9000 | | | | | |
| DOU91 | Dourdan | 8000 | | | | | |
| BSY91 | Boussy-Saint-Antoine | 7171 | | | | | |
| GOV91 | Gometz-la-Ville | 6160 | | | | | |
| MEN91 | Mennecy | 5622 | | | | | |
| BAU91 | Massy Baudot | 5467 | | | | | |
| FER91 | La Ferté-Alais | 4771 | | | | | |
| LIM91 | Limours | 4598 | | | | | |
| MAR91 | Marolles-en-Hurepoix | 4347 | | | | | |
| ETR91 | Étréchy | 4339 | | | | | |
| LAR91 | Lardy | 4307 | | | | | |
| BON91 | Bondoufle | 4276 | | | | | |
| BRE91 | Breuillet | 4195 | | | | | |
| BAL91 | Ballancourt-sur-Essonne | 4125 | | | | | |
| MIL91 | Milly-la-Forêt | 3446 | | | | | |
| CHE91 | Chevannes | 3215 | | | | | |
| ULI91 | Les Ulis | 3000 | | | | | |
| BSA91 | Boussy-Saint-Antoine | 2911 | | | | | |
| BIE91 | Bièvres | 2661 | | | | | |
| VIC91 | Villejust Courtaboeuf | 2500 | | | | | |
| ITT91 | Itteville | 2373 | | | | | |
| ANG91 | Angerville | 2331 | | | | | |
| SCH91 | Saint-Chéron | 2216 | | | | | |
| BRI91 | Briis-sous-Forges | 2210 | | | | | |
| COU91 | Le Coudray-Montceaux | 2089 | | | | | |
| SCY91 | Saint-Cyr-sous-Dourdan | 1996 | | | | | |
| SAA91 | Saclas | 1857 | | | | | |
| BOI91 | Boissy-sous-Saint-Yon | 1843 | | | | | |
| MER91 | Méréville | 1781 | | | | | |
| SOI91 | Soisy-sur-École | 1754 | | | | | |
| BOU91 | Boutigny-sur-Essonne | 1685 | | | | | |
| MAI91 | Maisse | 1639 | | | | | |
| TTN91 (ARP91) | Bruyères-le-Châtel Tatin | 1500 | | | | | |
| MU891 (MRY91) | Marcoussis | 1499 | | | | | |
| SMA91 | Saint-Maurice-Montcouronne | 1349 | | | | | |
| VJT91 | Villejust | 1146 | | | | | |
| VVG91 (YER91) | Crosne Vignes | 1128 | | | | | |
| PUI91 | Puiselet-le-Marais | 1072 | | | | | |
| VLG91 | Vert-le-Grand | 1055 | | | | | |
| CHA91 | Chalo-Saint-Mars | 1007 | | | | | |
| B6E91 (EVR91) | Courcouronnes Bastie | 1000 | | | | | |
| MXL91 (ETA91) | Brières-les-Scellés Michel | 871 | | | | | |
| TS591 (SGC91) | Saintry-sur-Seine Stade | 824 | | | | | |
| CHM91 | Chamarande | 789 | | | | | |
| FOR91 | La Forêt-le-Roi | 642 | | | | | |
| BOG91 | Boigneville | 638 | | | | | |
| DNN91 (BON91) | Bondoufle Dunant | 615 | | | | | |
| B4T91 (DOU91) | Sermaise Blot | 597 | | | | | |
| VID91 | Videlles | 578 | | | | | |
| EGT91 (FER91) | D'Huison-Longueville Egalite | 539 | | | | | |
| AUT91 | Authon-la-Plaine | 498 | | | | | |
| BB191 (EVR91) | Courcouronnes Bois Briard | 385 | | | | | |
| MM291 (SAC91) | Saint-Aubin Orme | 302 | | | | | |
| BCK91 (ETR91) | Villeneuve-sur-Auvers Becket | 292 | | | | | |
| CMX91 | Chalou-Moulineux | 255 | | | | | |
| CHX91 | Champmotteux | 227 | | | | | |
| HAU91 | Tigery Les Hauldres | 100 | | | | | |
Taille moyenne des NRA : 7 311 lignes
Taille du NRA médian : 3 000 lignes
592 187 lignes au total