This municipality has experienced contour changes since 2013 :
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.
tableauEMP T1 - Population aged 15 to 64 by economic activity
EMP T1 - Population aged 15 to 64 by economic activity
Economic activity
2011
2016
2022
Altogether
20 489
18 726
18 194
Working age adult in %
75,6
78,0
77,7
Working age adults with a job in %
69,8
71,8
71,3
Unemployed workers in %
5,8
6,2
6,4
Economically inactive people in %
24,4
22,0
22,3
Pupils, students or interns in %
11,8
12,0
13,1
Retirees in %
6,0
4,0
3,3
Other economically inactive people in %
6,6
6,0
5,9
Sources : Insee, RP2011, RP2016 and RP2022, main operations, geography as of 01/01/2025.
tableauEMP T2 - Economic activity and employment of the population aged 15 to 64 by sex and
by age in 2022
EMP T2 - Economic activity and employment of the population aged 15 to 64 by sex and
by age in 2022
Sex and age
Population
Active people
Activity rate in %
Working people
Employment rate in %
Altogether
18 194
14 142
77,7
12 977
71,3
15 to 24 years old
3 516
1 134
32,3
959
27,3
25 to 54 years old
10 856
10 123
93,2
9 378
86,4
55 to 64 years old
3 821
2 885
75,5
2 640
69,1
Male
8 793
7 138
81,2
6 575
74,8
15 to 24 years old
1 772
581
32,8
493
27,8
25 to 54 years old
5 245
5 105
97,3
4 782
91,2
55 to 64 years old
1 776
1 452
81,8
1 300
73,2
Female
9 401
7 004
74,5
6 402
68,1
15 to 24 years old
1 745
553
31,7
465
26,7
25 to 54 years old
5 611
5 018
89,4
4 596
81,9
55 to 64 years old
2 045
1 433
70,1
1 341
65,5
Source : Insee, RP2022 main operation, geography as of 01/01/2025.