This municipality has experienced contour changes since 2012 :
01/01/2017 – Saint-Sébastien devient commune déléguée (chef-lieu) au sein de Châtel-en-Trièves
(38456) (commune nouvelle).
01/01/2017 – Création de la commune nouvelle de Châtel-en-Trièves en lieu et place
des communes de Cordéac (38125) et de Saint-Sébastien (38456) 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
198
208
225
246
261
317
340
339
Principal residences
96
87
98
129
144
190
205
224
Secondary residences
70
71
100
91
113
107
114
81
Vacant accommodations
32
50
27
26
4
20
21
34
(*) 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
317
100,0
340
100,0
339
100,0
Principal residence
190
59,9
205
60,2
224
66,0
Secondary residences
107
33,8
114
33,5
81
24,0
Vacant accommodations
20
6,3
21
6,3
34
10,1
houses
299
94,4
323
94,9
316
93,2
flats
15
4,7
11
3,3
20
5,9
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
190
100,0
205
100,0
224
100,0
1 room
3
1,6
4
2,0
1
0,4
2 rooms
6
3,2
7
3,4
6
2,7
3 rooms
26
13,7
29
14,4
41
18,4
4 rooms
50
26,3
54
26,3
64
28,7
5 rooms or above
105
55,3
110
53,9
111
49,7
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
4,7
4,8
4,7
House
4,8
4,8
4,8
Flat
4,1
3,9
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
0,0
2,5
0,0
Non-over-occupied
100,0
97,5
100,0
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
220
100,0
before 1919
78
35,6
from 1919 to 1945
12
5,5
from 1946 to 1970
18
8,2
from 1971 to 1990
32
14,6
from 1991 to 2005
38
17,3
from 2006 to 2015
41
18,7
Source : Insee, RP2021 main operation, geography as of 01/01/2024.
