This municipality has experienced contour changes since 2010:
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 2019
FOR T1 - Enrollment by age and sex in 2019
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
59
58
98,3
97,2
100,0
15 to 17 years old
30
29
96,7
93,3
100,0
18 to 24 years old
50
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
447
1
0,2
0,5
0,0
Source: Insee, RP2019 principal exploitation, geography at the 01/01/2022.