This municipality has experienced contour changes since 2012:
01/01/2017 – Pertain devient commune déléguée (chef-lieu) au sein d'Hypercourt (80621)
(commune nouvelle).
01/01/2017 – Création de la commune nouvelle d'Hypercourt en lieu et place des communes
d'Hyencourt-le-Grand (80447), d'Omiécourt (80608) et de Pertain (80621) 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
27
21
78,3
79,8
77,5
6 to 10 years old
44
44
100,0
100,0
100,0
11 to 14 years old
55
54
98,2
97,0
100,0
15 to 17 years old
28
27
96,6
93,2
100,0
18 to 24 years old
48
7
14,0
8,8
18,3
25 to 29 years old
37
0
0,0
0,0
0,0
30 years old and over
434
1
0,2
0,5
0,0
Source: Insee, RP2021 principal exploitation, geography at the 01/01/2024.