# Hallivillers

> commune in Somme, France

**Wikidata**: [Q1089707](https://www.wikidata.org/wiki/Q1089707)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Hallivillers)  
**Source**: https://4ort.xyz/entity/hallivillers

## Summary
Hallivillers is a commune located in the Somme department within the Hauts-de-France region of northern France. As a territorial subdivision of the French Republic, it falls under the administrative jurisdiction of the arrondissement of Montdidier. The entity is characterized by its specific geographic coordinates and a fluctuating population history recorded between 138 and 156 inhabitants.

## Key Facts
- **Classification**: Commune in France (territorial subdivision for municipalities).
- **Location**: Somme department, France.
- **Administrative District**: Arrondissement of Montdidier.
- **Coordinates**: Latitude 49.700833333333, Longitude 2.2883333333333.
- **Country**: France.
- **Population Data Points**: 145, 153, 156, 149, 145, 141, 139, 138, 141, 142 (recorded across various census periods).
- **Wikidata Description**: "commune in Somme, France".
- **Wikipedia Title**: Hallivillers.
- **Sitelink Count**: 41 (indicating presence across 41 language versions of Wikipedia).
- **Parent Entity**: Somme department (inception: March 4, 1790).
- **Parent Entity**: Arrondissement of Montdidier.
- **National Context**: Part of the French Republic, a semi-presidential republic with its capital in Paris.

## FAQs
**What is the administrative status of Hallivillers?**
Hallivillers is a commune, which serves as the lowest level of administrative division in France. It is situated within the Somme department and is further grouped into the arrondissement of Montdidier.

**Where exactly is Hallivillers located geographically?**
The commune is positioned at latitude 49.700833333333 and longitude 2.2883333333333 within northern France. It lies within the Somme department, which was established as a department on March 4, 1790.

**How has the population of Hallivillers changed over time?**
The recorded population figures for the commune vary across different census years, showing values such as 138, 139, 141, 142, 145, 149, 153, and 156. These fluctuations reflect the demographic shifts typical of small rural communes in the region.

**What is the relationship between Hallivillers and the Somme department?**
Hallivillers is a constituent commune of the Somme department, a territorial entity created in 1790. The department acts as the intermediate administrative layer between the commune and the regional government.

## Why It Matters
Hallivillers represents the fundamental unit of local governance in the French Republic, illustrating the decentralized administrative structure of the nation. While small in scale, its existence as a commune highlights the historical continuity of French municipal organization dating back to the French Revolution. The entity serves as a data point for demographic studies in the Somme region, contributing to the broader understanding of population trends in rural France. Its inclusion in 41 language editions of Wikipedia underscores the global interest in documenting even the smallest localities within the European Union.

## Notable For
- **Administrative Hierarchy**: Serves as a specific example of a French commune within the Somme department.
- **Geographic Precision**: Defined by exact coordinates (49.700833333333 N, 2.2883333333333 E).
- **Demographic Range**: Documented population figures ranging from a low of 138 to a high of 156.
- **International Recognition**: Maintains a presence on 41 different language versions of Wikipedia.
- **Regional Context**: Located within the arrondissement of Montdidier, a key sub-division of the Somme.
- **Historical Continuity**: Exists within a department (Somme) founded in 1790, reflecting centuries of French administrative history.

## Body

### Administrative Structure and Classification
Hallivillers is officially classified as a commune, which is the primary territorial subdivision for municipalities in France. This status places it within the standard French administrative hierarchy, directly subordinate to the departmental level. The commune is part of the Somme department, a territorial entity that was established on March 4, 1790. Within the Somme, Hallivillers falls under the jurisdiction of the arrondissement of Montdidier. This specific arrangement connects the local entity to the broader governance of the French Republic, ensuring it adheres to national laws while managing local affairs. The entity is recognized in the Wikidata knowledge base with the description "commune in Somme, France" and is linked to the Wikipedia title "Hallivillers".

### Geographic Location and Coordinates
Geographically, Hallivillers is situated in northern France. Its precise location is defined by the coordinates latitude 49.700833333333 and longitude 2.2883333333333. These coordinates place the commune within the physical boundaries of the Somme department. The location is part of the larger European context, specifically within the Western European nation of France. The commune's position is fixed relative to the arrondissement of Montdidier, serving as a specific point of reference within that district. The geographic data is consistent with the broader mapping of French communes, which are distributed across the country's 18 administrative regions.

### Demographic History and Population Data
The population of Hallivillers has been recorded with varying figures across different census periods, reflecting the dynamic nature of rural demographics. The available data points include population counts of 145, 153, 156, 149, 145, 141, 139, 138, 141, and 142. These numbers indicate a small community size, typical for a commune in the Somme region. The fluctuations between 138 and 156 residents suggest minor shifts in residency over time. This demographic profile is essential for local planning and resource allocation within the arrondissement of Montdidier. The data serves as a historical record of the commune's human presence, contributing to the statistical understanding of the Somme department.

### National and International Context
As a commune in France, Hallivillers is part of a nation that operates as a semi-presidential republic. The country's capital is Paris, and the official language is French. The commune exists within a state that has a population of approximately 68.6 million people and covers an area of 643,801 square kilometers. France, the parent country, is a founding member of the European Union and a permanent member of the United Nations Security Council. The commune benefits from the national infrastructure, including the Euro currency, the French legal system, and the national education framework. The entity is also part of a country that drives on the right and uses the metric system. The international presence of the commune is evidenced by its 41 sitelinks on Wikipedia, indicating its recognition across multiple languages and cultures.

### Historical and Institutional Connections
The existence of Hallivillers is tied to the historical formation of the French administrative state. The Somme department, which contains the commune, was created on March 4, 1790, during the French Revolution. This date marks the inception of the departmental system that organizes the country. The arrondissement of Montdidier, the immediate administrative superior of Hallivillers, is another key historical entity within this structure. The commune's identity is further reinforced by its inclusion in the Wikidata database, where it is linked to the broader entity of France. These connections highlight the deep institutional roots of the commune within the French Republic, tracing back to the foundational reforms of the late 18th century.

## References

1. BnF authorities
2. dataset of postal codes in France. 2018
3. INSEE code
4. répertoire géographique des communes
5. Freebase Data Dumps. 2013
6. Annuaire de service-public.fr
7. Recensement de la population 2015. National Institute of Statistics and Economic Studies. 2017
8. Populations légales 2016
9. Populations légales 2017
10. Populations légales 2018
11. Populations légales 2019
12. Populations légales 2020
13. Populations légales 2021
14. Populations de référence 2022
15. Populations de référence 2023
16. [Code officiel géographique](https://www.insee.fr/fr/information/3363419)
17. National Institute of Statistics and Economic Studies
18. GeoNames
19. [répertoire géographique des communes. 2015](https://wxs-telechargement.ign.fr/83edtfdyqte031y0ra49d2e3/telechargement/inspire/RGC-2015-01$RGC2015/file/RGC2015.7z)
20. [2016](https://data.geopf.fr/telechargement/download/GEOFLA/GEOFLA_2-2_COMMUNE_SHP_LAMB93_FXX_2016-06-28/GEOFLA_2-2_COMMUNE_SHP_LAMB93_FXX_2016-06-28.7z)
21. [Code officiel géographique. 2017](https://www.insee.fr/fr/information/2560698)