This municipality has experienced contour changes since 2012 :
01/01/2019 – Saint-Germain-en-Laye devient commune déléguée (chef-lieu) au sein de
Saint-Germain-en-Laye (78551) (commune nouvelle).
01/01/2019 – Création de la commune nouvelle de Saint-Germain-en-Laye en lieu et place
des communes de Fourqueux (78251) et de Saint-Germain-en-Laye (78551) 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 - Growth estimates of the number of housings by category since 1968
LOG T1 - Growth estimates of the number of housings by category since 1968
1968(*)
1975(*)
1982
1990
1999
2010
2015
2021
Altogether
13 229
14 869
16 657
18 811
19 618
20 687
20 961
21 668
Principal residences
12 211
13 494
15 202
16 993
17 328
18 690
18 732
19 786
Secondary residences
178
188
298
548
409
609
707
786
Vacant accommodations
840
1 187
1 157
1 270
1 881
1 388
1 523
1 096
(*) 1967 and 1974 for the overseas departments
Sources : Insee, RP1967 to 1999 counts, RP2010 to RP2021 main holdings.
tableauLOG T2 - Types and categories of housings
LOG T2 - Types and categories of housings
2010
%
2015
%
2021
%
Altogether
20 687
100,0
20 961
100,0
21 668
100,0
Principal residence
18 690
90,3
18 732
89,4
19 786
91,3
Secondary residences
609
2,9
707
3,4
786
3,6
Vacant accommodations
1 388
6,7
1 523
7,3
1 096
5,1
houses
4 254
20,6
4 366
20,8
4 089
18,9
flats
16 092
77,8
16 377
78,1
17 325
80,0
Sources : Insee, RP2010, RP2015 and RP2021, main operations, geography as of 01/01/2024.
tableauLOG T3 - Principal residences by number of rooms
LOG T3 - Principal residences by number of rooms
2010
%
2015
%
2021
%
Altogether
18 690
100,0
18 732
100,0
19 786
100,0
1 room
1 880
10,1
1 838
9,8
2 415
12,2
2 rooms
3 292
17,6
3 246
17,3
3 200
16,2
3 rooms
4 260
22,8
4 337
23,2
4 882
24,7
4 rooms
3 962
21,2
3 962
21,2
3 816
19,3
5 rooms or above
5 296
28,3
5 349
28,6
5 472
27,7
Sources : Insee, RP2010, RP2015 and RP2021, main operations, geography as of 01/01/2024.
tableauLOG T4 - Principal residences average number of rooms
LOG T4 - Principal residences average number of rooms
2010
2015
2021
All main residences
3,7
3,7
3,6
House
5,9
5,9
6,0
Flat
3,1
3,1
3,1
Sources : Insee, RP2010, RP2015 and RP2021, main operations, geography as of 01/01/2024.
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)
2010
2015
2021
Over-occupied
7,8
7,8
7,6
Non-over-occupied
92,2
92,2
92,4
Sources: Insee, RP2010, RP2015 and RP2021, additional operations, geography as of
01/01/2024.
tableauLOG T5 - Principal residences in 2021 by completion period
LOG T5 - Principal residences in 2021 by completion period
Number
%
Principal residences build before 2019
19 656
100,0
before 1919
2 946
15,0
from 1919 to 1945
1 394
7,1
from 1946 to 1970
5 939
30,2
from 1971 to 1990
6 371
32,4
from 1991 to 2005
1 965
10,0
from 2006 to 2015
1 042
5,3
Source : Insee, RP2021 main operation, geography as of 01/01/2024.
