This municipality has experienced contour changes since 2012:
01/01/2017 – Champigny-le-Sec devient commune déléguée (chef-lieu) au sein de Champigny
en Rochereau (86053) (commune nouvelle).
01/01/2017 – Création de la commune nouvelle de Champigny en Rochereau en lieu et
place des communes de Champigny-le-Sec (86053) et du Rochereau (86208) 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.
tableauFOR T1 - Enrollment by age and sex in 2021
FOR T1 - Enrollment by age and sex in 2021
Age
Total
Enrolled population
Enrolled population in %
Altogether
Male
Female
2 to 5 years old
101
77
76,2
67,6
84,2
6 to 10 years old
144
136
94,8
96,1
93,1
11 to 14 years old
101
100
99,0
100,0
97,9
15 to 17 years old
89
86
96,6
95,9
97,5
18 to 24 years old
101
34
34,1
28,2
40,2
25 to 29 years old
82
5
6,2
3,0
8,5
30 years old and over
1 255
4
0,3
0,3
0,3
Source: Insee, RP2021 principal exploitation, geography at the 01/01/2024.