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.
tableauLOG T1 - Number of dwellings by category since 1968
LOG T1 - Number of dwellings by category since 1968
1968(*)
1975(*)
1982
1990
1999
2009
2014
2020
Altogether
6 040
10 927
13 746
14 851
15 189
15 866
16 051
16 347
Main residences
4 313
9 597
12 210
13 547
13 645
14 684
14 755
14 750
Second homes
51
392
607
601
471
409
416
476
Vacant dwellings
1 676
938
929
703
1 073
774
880
1 121
(*) 1967 and 1974 for the overseas departments
Sources: Insee, RP1967 to 1999 counts, RP2009 to RP2020 main holdings.
tableauLOG T2 - Types and categories of dwellings
LOG T2 - Types and categories of dwellings
2009
%
2014
%
2020
%
Altogether
15 866
100,0
16 051
100,0
16 347
100,0
Main residences
14 684
92,5
14 755
91,9
14 750
90,2
Second homes
409
2,6
416
2,6
476
2,9
Vacant dwellings
774
4,9
880
5,5
1 121
6,9
Houses
2 207
13,9
2 095
13,1
2 194
13,4
Flats
13 541
85,3
13 662
85,1
13 947
85,3
Sources: Insee, RP2009, RP2014 and RP2020, main operations, geography as of 01/01/2023.
tableauLOG T3 - Main residences by number of rooms
LOG T3 - Main residences by number of rooms
2009
%
2014
%
2020
%
Altogether
14 684
100,0
14 755
100,0
14 750
100,0
1 room
1 917
13,1
2 046
13,9
2 120
14,4
2 rooms
2 312
15,7
2 246
15,2
2 303
15,6
3 rooms
3 855
26,3
3 821
25,9
3 875
26,3
4 rooms
3 145
21,4
3 096
21,0
2 954
20,0
5 rooms and over
3 455
23,5
3 546
24,0
3 497
23,7
Sources: Insee, RP2009, RP2014 and RP2020, main operations, geography as of 01/01/2023.
tableauLOG T4 - Average number of rooms in main residences
LOG T4 - Average number of rooms in main residences
2009
2014
2020
All main residences
3,5
3,5
3,4
Houses
5,7
5,8
5,8
Flats
3,1
3,2
3,1
Sources: Insee, RP2009, RP2014 and RP2020, main operations, geography as of 01/01/2023.
tableauLOG T4bis - Main residences by over-occupation (except one room dwellings occupied
by one person)
LOG T4bis - Main residences by over-occupation (except one room dwellings occupied
by one person)
2009
2014
2020
Over-occupied
7,4
7,4
6,5
Non-over-occupied
92,6
92,6
93,5
Sources: Insee, RP2009, RP2014 and RP2020, main operations, geography as of 01/01/2023.
tableauLOG T5 - Main residences in 2020 by completion period
LOG T5 - Main residences in 2020 by completion period
Number
%
Principal residences build before 2018
14 739
100,0
before 1919
546
3,7
from 1919 to 1945
693
4,7
from 1946 to 1970
4 632
31,4
from 1971 to 1990
6 734
45,7
from 1991 to 2005
1 229
8,3
from 2006 to 2017
905
6,1
Source: Insee, RP2020 main operation, geography as of 01/01/2023.
