# Montfort-l'Amaury

> commune in Yvelines, France

**Wikidata**: [Q251655](https://www.wikidata.org/wiki/Q251655)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Montfort-l'Amaury)  
**Source**: https://4ort.xyz/entity/montfort-l-amaury

## Summary
Montfort-l'Amaury is a commune in the Yvelines department of Île-de-France, France. It is a small municipal entity with historical roots dating to medieval times and is part of the arrondissement of Rambouillet.

## Key Facts
- **Location**: Commune in Yvelines, Île-de-France, France
- **Aliases**: Montfort-le-Brutus
- **Coordinates**: Latitude 48.7772, Longitude 1.8092
- **Population (recent)**: Ranging from 2,779 to 3,026 over the past decade
- **Website**: [montfortlamaury.fr](https://www.montfortlamaury.fr)
- **Administrative Region**: Part of the canton of Montfort-l'Amaury and arrondissement of Rambouillet
- **Historical Context**: Formerly part of the Seine-et-Oise department until 1968
- **Type**: Commune of France (municipality subdivision)
- **Sitelink Count**: 42 (as of latest data)

## FAQs

**Where is Montfort-l'Amaury located?**  
Montfort-l'Amaury is located in the Yvelines department within the Île-de-France region of France. It lies in the arrondissement of Rambouillet and is part of the canton of Montfort-l'Amaury.

**What is the population of Montfort-l'Amaury?**  
The population has ranged between 2,779 and 3,026 over the past decade, with recent figures closer to 2,900. Population data reflects municipal records and varies slightly year to year.

**What administrative divisions is Montfort-l'Amaury part of?**  
It is part of the canton of Montfort-l'Amaury, the arrondissement of Rambouillet, and the Yvelines department. It was historically part of the Seine-et-Oise department until 1968.

**What is the official name and any alternate names?**  
The official name is Montfort-l'Amaury. It is also known by the alias Montfort-le-Brutus.

**What is the local government website for Montfort-l'Amaury?**  
The official website is [www.montfortlamaury.fr](https://www.montfortlamaury.fr), which provides municipal information and services.

**What is the geographic location of Montfort-l'Amaury?**  
Its coordinates are approximately 48.7772° N (latitude) and 1.8092° E (longitude), placing it in northern France.

## Why It Matters
Montfort-l'Amaury represents a typical French commune with a blend of historical significance and modern administrative function. As part of the Yvelines department and Île-de-France region, it contributes to the socio-political and cultural landscape of the area. Its local governance plays a role in regional development, heritage preservation, and community services. Though small, it reflects the decentralized structure of French local government and the historical evolution of administrative boundaries in France.

## Notable For
- **Historical Name Variant**: Known also as Montfort-le-Brutus
- **Administrative Evolution**: Was part of Seine-et-Oise until 1968, then transferred to Yvelines
- **Local Governance**: Operates under a commune structure with its own website and administrative transparency
- **Regional Integration**: Located in Île-de-France, one of France’s most economically significant regions
- **Population Stability**: Maintains a relatively stable population within the 2,800–3,000 range over recent years

## Body

### Geography and Location
Montfort-l'Amaury is situated in the Yvelines department of the Île-de-France region. Its geographic coordinates are approximately 48.7772° N and 1.8092° E. The commune lies within the arrondissement of Rambouillet, a key administrative subdivision in the region. Historically, it was part of the Seine-et-Oise department until 1968, when Yvelines was created.

### Administrative Structure
Montfort-l'Amaury is classified as a commune, the smallest administrative division in France. It belongs to:
- **Canton of Montfort-l'Amaury**, a local electoral and administrative grouping
- **Arrondissement of Rambouillet**, which oversees local governance and judicial matters
- **Yvelines Department**, established in 1968, replacing Seine-et-Oise
- **Île-de-France Region**, one of France’s most economically and culturally significant regions

### Demographics and Population
The population of Montfort-l'Amaury has fluctuated slightly over the past decade:
- 2015–2025: Ranging from 2,779 to 3,026 residents
- Recent figures suggest a stable population near 2,900
This demographic profile is typical for small French communes in suburban or semi-rural areas.

### Governance and Local Services
Montfort-l'Amaury operates under the French municipal system, with a mayor and municipal council. The commune maintains a local government website ([www.montfortlamaury.fr](https://www.montfortlamaury.fr)) that provides public services, local news, and administrative resources. The commune is part of the broader French system of decentralized governance, where local authorities manage education, infrastructure, and public services.

### Historical Context
The commune has a medieval heritage, reflected in its name and historical boundaries. The alternate name Montfort-le-Brutus suggests a historical or etymological link to early Frankish or Gallo-Roman settlements. Its administrative reclassification in 1968 aligns with broader French efforts to reorganize departments for efficiency and regional coherence.

### Related Entities
- **Seine-et-Oise**: Former department (1790–1968) to which Montfort-l'Amaury previously belonged
- **Yvelines**: Current department since 1968
- **Arrondissement of Rambouillet**: Judicial and administrative district
- **Canton of Montfort-l'Amaury**: Electoral division for local representation
- **Commune of France**: Classification as a municipal subdivision under French law

### Cultural and Regional Significance
Montfort-l'Amaury, while small, contributes to the cultural and historical fabric of Île-de-France. Its location near Rambouillet places it in proximity to significant historical sites and modern suburban development. The commune benefits from regional infrastructure and is part of the broader network of local governments that support the Île-de-France economy.

### Technical and Digital Presence
Montfort-l'Amaury maintains a digital presence through its official website, which serves as a hub for local governance. This aligns with national efforts to digitize municipal services and increase transparency. The commune is also indexed in various databases and wikis, with a sitelink count of 42, indicating moderate digital visibility.

## References

1. [Source](https://www.data.gouv.fr/fr/datasets/5c34c4d1634f4173183a64f1/)
2. French National Directory of Representatives
3. Virtual International Authority File
4. BnF authorities
5. general catalog of BnF
6. dataset of postal codes in France. 2018
7. INSEE code
8. [Source](https://lingualibre.fr/wiki/Q2373)
9. [Source](http://archives.yvelines.fr)
10. répertoire géographique des communes
11. Freebase Data Dumps. 2013
12. Annuaire de service-public.fr
13. MusicBrainz
14. Recensement de la population 2015. National Institute of Statistics and Economic Studies. 2017
15. Populations légales 2016
16. Populations légales 2017
17. Populations légales 2018
18. Populations légales 2019
19. Populations légales 2020
20. Populations légales 2021
21. Populations de référence 2022
22. Populations de référence 2023
23. [Code officiel géographique](https://www.insee.fr/fr/information/3363419)
24. [Source](http://cassini.ehess.fr/cassini/fr/html/fiche.php?select_resultat=23435)
25. National Institute of Statistics and Economic Studies
26. [répertoire géographique des communes. 2015](https://wxs-telechargement.ign.fr/83edtfdyqte031y0ra49d2e3/telechargement/inspire/RGC-2015-01$RGC2015/file/RGC2015.7z)
27. [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)
28. [archINFORM](https://www.archinform.net/service/wd_aiort.php)
29. [Code officiel géographique. 2017](https://www.insee.fr/fr/information/2560698)