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.
tableauEMP T1 - Population aged 15 to 64 by economic activity
EMP T1 - Population aged 15 to 64 by economic activity
Economic activity
2010
2015
2021
Altogether
2 345
2 496
2 696
Working age adult in %
74,5
77,3
80,1
including working age adults with a job in %
69,3
69,6
74,7
including unemployed workers in %
5,1
7,7
5,4
Economically inactive people in %
25,5
22,7
19,9
including pupils, students or interns in %
5,6
6,1
7,4
including retirees in %
11,1
9,7
5,4
including other economically inactive people in %
8,8
6,9
7,1
Sources : Insee, RP2010, RP2015 and RP2021, main operations, geography as of 01/01/2024.
tableauEMP T2 - Economic activity and employment of the population aged 15 to 64 by sex and
by age in 2021
EMP T2 - Economic activity and employment of the population aged 15 to 64 by sex and
by age in 2021
Sex and age
Population
Active people
Activity rate in %
Working people
Employment rate in %
Altogether
2 696
2 160
80,1
2 014
74,7
15 to 24 years old
409
191
46,7
167
40,9
25 to 54 years old
1 815
1 703
93,8
1 600
88,1
55 to 64 years old
473
267
56,4
247
52,3
Male
1 378
1 108
80,4
1 037
75,3
15 to 24 years old
233
114
48,8
101
43,3
25 to 54 years old
907
857
94,5
809
89,2
55 to 64 years old
237
137
57,7
127
53,5
Female
1 319
1 052
79,8
976
74,1
15 to 24 years old
175
77
43,8
66
37,6
25 to 54 years old
908
846
93,2
790
87,1
55 to 64 years old
236
130
55,1
120
51,0
Source : Insee, RP2021 main operation, geography as of 01/01/2024.