This municipality has experienced contour changes since 2011:
01/01/2019 – Le Chesnay devient commune déléguée (chef-lieu) au sein du Chesnay-Rocquencourt
(78158) (commune nouvelle).
01/01/2019 – Création de la commune nouvelle du Chesnay-Rocquencourt en lieu et place
des communes du Chesnay (78158) et de Rocquencourt (78524) devenues déléguées.
In the case of a merger, when the geography of the source indicated under the table
/ graph is after the date of the merger, the data correspond to those of the new municipality.
tableauFOR T1 - Enrollment by age and sex in 2020
FOR T1 - Enrollment by age and sex in 2020
Total
Enrolled population
Enrolled population in %
Altogether
Male
Female
2 to 5 years old
1 119
832
74,3
73,5
75,1
6 to 10 years old
1 722
1 688
98,0
97,4
98,7
11 to 14 years old
1 640
1 613
98,4
98,4
98,4
15 to 17 years old
1 310
1 292
98,6
98,0
99,2
18 to 24 years old
2 106
1 390
66,0
67,1
65,1
25 to 29 years old
1 667
135
8,1
9,9
6,5
30 years old and over
20 905
244
1,2
1,2
1,2
Source: Insee, RP2020 principal exploitation, geography at the 01/01/2023.