View source for Essonne

===Principal towns===

The most populous commune is [[Évry-Courcouronnes]], the prefecture. {{asof|2019|post=,}} the 5 most populous communes are:<ref name=pop2023>[https://www.insee.fr/fr/statistiques/fichier/8680694/dep91.pdf Populations de référence 2023: 91 Essonne], INSEE</ref>

{| class=wikitable
! Commune
! Population (2023)
|-
| [[Évry-Courcouronnes]]
| style="text-align: center;" | 66,919
|-
| [[Corbeil-Essonnes]]
| style="text-align: center;" | 54,471
|-
| [[Massy, Essonne|Massy]]
| style="text-align: center;" | 51,729
|-
| [[Savigny-sur-Orge]]
| style="text-align: center;" | 37,601
|-
| [[Palaiseau]]
| style="text-align: center;" | 37,471
|}

In descending order, the other communes over 25,000 population are: [[Athis-Mons]], [[Sainte-Geneviève-des-Bois, Essonne|Sainte-Geneviève-des-Bois]], [[Vigneux-sur-Seine]], [[Ris-Orangis]], [[Viry-Châtillon]], [[Draveil]], [[Yerres]], [[Étampes]], [[Grigny, Essonne|Grigny]], [[Brétigny-sur-Orge]], [[Les Ulis]] and [[Brunoy]].<ref name=pop2023/> [[Milly-la-Forêt]] is a notable example of its more rural communes.