Dated municipal boundaries of Loire-AtlantiqueCommunes millésimées de Loire-Atlantique
Communes millésimées de Loire-AtlantiqueDated municipal boundaries of Loire-Atlantique
This dataset provides year-dated administrative boundaries of municipalities (communes) in the Loire-Atlantique department, France. Generated annually from IGN's BD CARTO® database, it is derived from the GEOFLA® dataset describing the national administrative divisions of metropolitan France and overseas departments. It is intended for geomarketing applications as well as statistical and thematic cartography. The dataset is published by the Département de Loire-Atlantique and made freely accessible without authentication, offering a reliable reference for tracking changes in municipal boundaries over successive years within the department.Découpage millésimé des communes en Loire-Atlantique. Générée chaque année à partir de la BD CARTO®, la base de données GEOFLA® décrit le découpage administratif national (France métropolitaine et DOM). Elle est dédiée aux applications de géomarketing ainsi que de cartographie statistique et thém...
Trust score
How is this computed?Weighted across five axes. Tap a ring for what it measures.
Data schema (23 fields)
Click a field to see example values.
| Fill | Field | Type | Description |
|---|---|---|---|
| — | geo_point_2dGeo Point | geo_point_2d | Geographic centroid coordinates of the commune.Geographic centroid coordinates of the commune. |
| — | geoshape | geo_shape | Polygon geometry outlining the commune's boundary.Polygon geometry outlining the commune's boundary. |
| — | id_geoflaID | text | Internal GEOFLA identifier for the commune record.Internal GEOFLA identifier for the commune record. |
| — | code_communeCommune code | text | INSEE commune code without department prefix.INSEE commune code without department prefix. |
| — | insee_comCode Insee | text | Full INSEE code identifying the commune.Full INSEE code identifying the commune. |
| — | communeCommune | text | Name of the commune.Name of the commune. |
| — | x_chf_lieuX chf lieu | int | X coordinate of the commune's administrative center (chef-lieu).X coordinate of the commune's administrative center (chef-lieu). |
| — | y_chf_lieuY chf lieu | int | Y coordinate of the commune's administrative center (chef-lieu).Y coordinate of the commune's administrative center (chef-lieu). |
| — | x_centroidX centroid | int | X coordinate of the commune's geographic centroid.X coordinate of the commune's geographic centroid. |
| — | y_centroidY centroid | int | Y coordinate of the commune's geographic centroid.Y coordinate of the commune's geographic centroid. |
| 67.7% | z_moyenAltitude Moyenne | int | Average altitude of the commune.Average altitude of the commune. |
| 67.7% | superficie | int | Surface area of the commune.Surface area of the commune. |
| 89.1% | population | double | Population count of the commune, in thousands.Population count of the commune, in thousands. |
| 56.8% | code_cantonCode canton | text | Code of the canton containing the commune.Code of the canton containing the commune. |
| 100% | code_arrondissementCode arrondissement | text | Code of the arrondissement containing the commune.Code of the arrondissement containing the commune. |
| 100% | code_departementCode Département | text | Code of the department containing the commune.Code of the department containing the commune. |
| 100% | anneeAnnée | date | Reference year of the administrative boundary data.Reference year of the administrative boundary data. |
| 100% | regionRégion | text | Name of the region containing the commune.Name of the region containing the commune. |
| 100% | departementDépartement | text | Name of the department containing the commune.Name of the department containing the commune. |
| 100% | statut | text | Administrative status of the commune (e.g. simple commune).Administrative status of the commune (e.g. simple commune). |
| 100% | code_regionCode Région | text | Code of the region containing the commune.Code of the region containing the commune. |
| 88.6% | code_epciCode epci | text | Code of the intercommunal body (EPCI) the commune belongs to.Code of the intercommunal body (EPCI) the commune belongs to. |
| 88.6% | libepciEPCI | text | Name of the intercommunal body (EPCI) the commune belongs to.Name of the intercommunal body (EPCI) the commune belongs to. |
Schema captured from opendatasoft 2 days ago.
Query the data
Pick columns and a sort, then fetch a live preview straight from the source. Choose an API-filterable column (marked ▾) under “Where” to pick from its list of values.
Sample data (5 records)
Record 1annee: 2011 · region: PAYS DE LA LOIRE
{
"annee": "2011",
"region": "PAYS DE LA LOIRE",
"statut": "Commune simple",
"commune": "BATZ-SUR-MER",
"libepci": null,
"z_moyen": 3,
"geoshape": {
"type": "Feature",
"geometry": {
"type": "Polygon",
"coordinates": [
[
[
-2.449755768878724,
47.26360060902836
],
[
-2.457384227077795,
47.26822266983546
],
[
-2.491706417249202,
47.27532684024823
],
[
-2.503819426379315,
47.280951685145155
],
[
-2.503648533289141,
47.29104904006542
],
[
-2.51380629839191,
47.29838124797346
],
[
-2.511633480660152,
47.30202216454948
],
[
-2.510866481712451,
47.30178790825187
],
[
-2.479835289260306,
47.30060621745953
],
[
-2.436133905850181,
47.28236976438198
],
[
-2.449755768878724,
47.26360060902836
]
]
]
},
"properties": {}
},
"code_epci": null,
"id_geofla": "22427",
"insee_com": "44010",
"population": 3.1,
"superficie": 1314,
"x_centroid": 2865,
"x_chf_lieu": 2860,
"y_centroid": 67014,
"y_chf_lieu": 67007,
"code_canton": "10",
"code_region": "52",
"departement": "LOIRE-ATLANTIQUE",
"code_commune": "010",
"geo_point_2d": {
"lat": 47.2846858223,
"lon": -2.4747148592
},
"code_departement": "44",
"code_arrondissement": "3"
}Record 2annee: 2018 · region: PAYS DE LA LOIRE
{
"annee": "2018",
"region": "PAYS DE LA LOIRE",
"statut": "Commune simple",
"commune": "Trans-sur-Erdre",
"libepci": "CC du Pays d'Ancenis",
"z_moyen": null,
"geoshape": "[large value omitted]",
"code_epci": "244400552",
"id_geofla": "BDCSURCO0000000009598159",
"insee_com": "44207",
"population": 1031,
"superficie": null,
"x_centroid": null,
"x_chf_lieu": null,
"y_centroid": null,
"y_chf_lieu": null,
"code_canton": null,
"code_region": "52",
"departement": "LOIRE-ATLANTIQUE",
"code_commune": "207",
"geo_point_2d": {
"lat": 47.4785320365,
"lon": -1.36343408117
},
"code_departement": "44",
"code_arrondissement": "5"
}Record 3annee: 2014 · region: PAYS DE LA LOIRE
{
"annee": "2014",
"region": "PAYS DE LA LOIRE",
"statut": "Chef-lieu de canton",
"commune": "SAINT-PHILBERT-DE-GRAND-LIEU",
"libepci": "CC de Grand Lieu",
"z_moyen": 12,
"geoshape": "[large value omitted]",
"code_epci": "244400438",
"id_geofla": "COMMUNE00000000000011329",
"insee_com": "44188",
"population": 8248,
"superficie": 9782,
"x_centroid": 347968,
"x_chf_lieu": 347845,
"y_centroid": 6670844,
"y_chf_lieu": 6669781,
"code_canton": "42",
"code_region": "52",
"departement": "LOIRE-ATLANTIQUE",
"code_commune": "188",
"geo_point_2d": {
"lat": 47.0605763792,
"lon": -1.65691377939
},
"code_departement": "44",
"code_arrondissement": "2"
}Record 4annee: 2019 · region: PAYS DE LA LOIRE
{
"annee": "2019",
"region": "PAYS DE LA LOIRE",
"statut": "Commune simple",
"commune": "La Chapelle-Launay",
"libepci": "CC Estuaire et Sillon",
"z_moyen": null,
"geoshape": "[large value omitted]",
"code_epci": "200072734",
"id_geofla": "COMMUNE_0000000009745529",
"insee_com": "44033",
"population": 2983,
"superficie": null,
"x_centroid": null,
"x_chf_lieu": null,
"y_centroid": null,
"y_chf_lieu": null,
"code_canton": null,
"code_region": "52",
"departement": "LOIRE-ATLANTIQUE",
"code_commune": "033",
"geo_point_2d": {
"lat": 47.3532019932,
"lon": -1.9817530736
},
"code_departement": "44",
"code_arrondissement": "3"
}Record 5annee: 2018 · region: PAYS DE LA LOIRE
{
"annee": "2018",
"region": "PAYS DE LA LOIRE",
"statut": "Commune simple",
"commune": "Sion-les-Mines",
"libepci": "CC Châteaubriant-Derval",
"z_moyen": null,
"geoshape": "[large value omitted]",
"code_epci": "200072726",
"id_geofla": "BDCSURCO0000000009596896",
"insee_com": "44197",
"population": 1645,
"superficie": null,
"x_centroid": null,
"x_chf_lieu": null,
"y_centroid": null,
"y_chf_lieu": null,
"code_canton": null,
"code_region": "52",
"departement": "LOIRE-ATLANTIQUE",
"code_commune": "197",
"geo_point_2d": {
"lat": 47.7291744877,
"lon": -1.58111542689
},
"code_departement": "44",
"code_arrondissement": "5"
}Live sample captured at profiling time — values may have changed upstream.
Verification Status
Using the API
Configuration
- Base URL
- https://data.loire-atlantique.fr/api/explore/v2.1/catalog/datasets/180067019_communes-millesimees-ign-loire-atlantique
License
- ✓ Redistributable
- ✓ Attribution required
Query examples
curl -s 'https://data.loire-atlantique.fr/api/explore/v2.1/catalog/datasets/180067019_communes-millesimees-ign-loire-atlantique/records?limit=20' -H 'Accept: application/json'First 20 records of the dataset as JSON.
Uses the Opendatasoft Explore v2.1 syntax — supports select, where, group_by and order_by.
Rate limits
Dataset
Volume & freshness
License
No license declared upstream.
Source: opendatasoft
Machine-readable & source
Embed this badge in a README or wiki — it always shows the latest verification state and quality tier.