This municipality has experienced contour changes since 2012 :
01/01/2019 – Saint-Pierre-de-Plesguen devient commune déléguée (chef-lieu) au sein
de Mesnil-Roc'h (35308) (commune nouvelle).
01/01/2019 – Création de la commune nouvelle de Mesnil-Roc'h en lieu et place des
communes de Lanhélin (35147), de Saint-Pierre-de-Plesguen (35308) et de Tressé (35344)
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.
tableauFAM T1 - Households by composition
FAM T1 - Households by composition
household type
Number of households
Household population
2010
%
2015
%
2021
%
2010
2015
2021
Altogether
1 617
100,0
1 715
100,0
1 852
100,0
3 922
4 217
4 388
One-person households (male and female)
431
26,6
466
27,2
541
29,2
431
466
541
Single Male
193
12,0
237
13,8
249
13,4
193
237
249
Single Female
237
14,7
229
13,4
292
15,8
237
229
292
Other households without families
30
1,8
16
0,9
15
0,8
64
33
34
Family households :
1 156
71,5
1 233
71,9
1 297
70,0
3 427
3 719
3 813
Couple without children
526
32,5
529
30,8
548
29,6
1 069
1 084
1 112
Couple with children
529
32,7
589
34,3
606
32,7
2 104
2 329
2 308
Single parent
102
6,3
115
6,7
142
7,7
255
307
393
Sources : Insee, RP2010, RP2015 and RP2021, additional operations, geography as of
01/01/2024.
tableauFAM T1bis - The detailed composition of single-family households.
FAM T1bis - The detailed composition of single-family households.
Single-family households
Number of households
%
Household population
Altogether
1 282
100,0
3 742
Couple without children
543
41,9
1 086
Couple with children
606
46,8
2 308
Couples with only children of the couple
522
40,2
1 973
Couples with at least one child of only one member of the couple
85
6,5
335
Single-parent family
132
10,2
348
Single man with child(ren)
49
3,8
127
Single woman with child(ren)
83
6,4
221
Sources : Insee, RP2021, additional operations, geography as of 01/01/2024.