This municipality has experienced contour changes since 2011:
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 2020
FOR T1 - Enrollment by age and sex in 2020
Total
Enrolled population
Enrolled population in %
Altogether
Male
Female
2 to 5 years old
28
22
78,6
80,0
77,8
6 to 10 years old
46
46
100,0
100,0
100,0
11 to 14 years old
58
57
98,3
97,1
100,0
15 to 17 years old
30
29
96,7
93,3
100,0
18 to 24 years old
49
7
14,3
9,1
18,5
25 to 29 years old
38
0
0,0
0,0
0,0
30 years old and over
442
1
0,2
0,5
0,0
Source: Insee, RP2020 principal exploitation, geography at the 01/01/2023.