Composition of intercommunal groupings by yearComposition des intercommunalités millésimées

Composition des intercommunalités millésiméesComposition of intercommunal groupings by year

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This dataset is an extract, filtered for the Loire-Atlantique département, from a broader Opendatasoft dataset covering intercommunal groupings (intercommunalités) across metropolitan France and overseas departments. It provides yearly (millésimé) data on the composition of these local government groupings from 2015 onward, compiled from several different source datasets. It is published by the Département de Loire-Atlantique and can be used to track how municipalities are grouped into intercommunal structures within the département over time.Ce jeu de données est un extrait du jeu des intercommunalités de France Métropolitaine et DROM par Opendatasoft filtré sur la Loire-Atlantique. Il rassemble les informations millésimées depuis 2015. Ces données ont été créées à partir de plusieurs sources de données différentes. Données Données C...

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fair

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Data schema (15 fields)

Filterable via the API (13)

yearreg_codereg_namedep_codedep_nameepci_codeepci_current_codeepci_nameepci_name_upperepci_name_lowerepci_area_codeepci_typeepci_in_ctu

Click a field to see example values.

Fill	Field	Type	Description
—	geo_point_2dGeo Point	geo_point_2d	Geographic centroid coordinates of the intercommunality.Geographic centroid coordinates of the intercommunality.
—	geo_shapeShape	geo_shape	Geographic boundary shape of the intercommunality.Geographic boundary shape of the intercommunality.
—	yearAnnée	date	Reference year of the intercommunality data.Reference year of the intercommunality data.
—	reg_codeCode Officiel Région	text	Official INSEE code of the region.Official INSEE code of the region.
—	reg_nameNom Officiel Région	text	Official name of the region.Official name of the region.
—	dep_codeCode Officiel Département	text	Official INSEE code(s) of the department(s).Official INSEE code(s) of the department(s).
—	dep_nameNom Officiel Département	text	Official name(s) of the department(s).Official name(s) of the department(s).
—	epci_codeCode Officiel EPCI	text	Official code of the intercommunal grouping (EPCI) for that year.Official code of the intercommunal grouping (EPCI) for that year.
—	epci_current_codeCode Officiel Courant EPCI	text	Current official code of the intercommunal grouping (EPCI).Current official code of the intercommunal grouping (EPCI).
—	epci_nameNom Officiel EPCI	text	Official name of the intercommunal grouping (EPCI).Official name of the intercommunal grouping (EPCI).
100%	epci_name_upperNom Officiel EPCI Majuscule	text	Official name of the EPCI in uppercase letters.Official name of the EPCI in uppercase letters.
100%	epci_name_lowerNom Officiel EPCI Minuscule	text	Official name of the EPCI in lowercase letters.Official name of the EPCI in lowercase letters.
100%	epci_area_codeCode Iso 3166-3 Zone	text	ISO 3166-3 code of the geographic area.ISO 3166-3 code of the geographic area.
100%	epci_typeType	text	Type of intercommunal grouping (e.g. CC, CA).Type of intercommunal grouping (e.g. CC, CA).
100%	epci_in_ctuFait Partie d'une CTU	text	Indicates whether the EPCI belongs to a single territorial authority (CTU).Indicates whether the EPCI belongs to a single territorial authority (CTU).

Schema captured from opendatasoft 2 days ago.

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Sample data (5 records)

Record 1year: 2023 · dep_code: ["44"]

{
  "year": "2023",
  "dep_code": [
    "44"
  ],
  "dep_name": [
    "Loire-Atlantique"
  ],
  "reg_code": [
    "52"
  ],
  "reg_name": [
    "Pays de la Loire"
  ],
  "epci_code": [
    "200067866"
  ],
  "epci_name": [
    "CC Sèvre et Loire"
  ],
  "epci_type": "CC",
  "geo_shape": "[large value omitted]",
  "epci_in_ctu": "Non",
  "geo_point_2d": {
    "lat": 47.20985583890205,
    "lon": -1.3031356797088112
  },
  "epci_area_code": "FXX",
  "epci_name_lower": "cc sèvre et loire",
  "epci_name_upper": "CC SÈVRE ET LOIRE",
  "epci_current_code": [
    "200067866"
  ]
}

Record 2year: 2015 · dep_code: ["44"]

{
  "year": "2015",
  "dep_code": [
    "44"
  ],
  "dep_name": [
    "Loire-Atlantique"
  ],
  "reg_code": [
    "52"
  ],
  "reg_name": [
    "Pays de la Loire"
  ],
  "epci_code": [
    "244400651"
  ],
  "epci_name": [
    "CC Sèvre Maine et Goulaine"
  ],
  "epci_type": "CC",
  "geo_shape": {
    "type": "Feature",
    "geometry": {
      "type": "Polygon",
      "coordinates": [
        [
          [
            -1.476840611352672,
            47.118243279577705
          ],
          [
            -1.474746307705699,
            47.11370743300853
          ],
          [
            -1.462576748606241,
            47.104096573938484
          ],
          [
            -1.453467570735329,
            47.0983883868767
          ],
          [
            -1.441223672727629,
            47.093070646244016
          ],
          [
            -1.42872797800602,
            47.08803186721585
          ],
          [
            -1.421807761842031,
            47.09170555308014
          ],
          [
            -1.414888758789512,
            47.10136614771069
          ],
          [
            -1.414761948401276,
            47.11061358187753
          ],
          [
            -1.416034353829541,
            47.115821951295956
          ],
          [
            -1.414155624511364,
            47.12561417749271
          ],
          [
            -1.412320037774561,
            47.12868695676571
          ],
          [
            -1.402763169718777,
            47.12976374263931
          ],
          [
            -1.396816453997245,
            47.133470658208815
          ],
          [
            -1.391280007690089,
            47.14027247939813
          ],
          [
            -1.380571450829652,
            47.1447633645817
          ],
          [
            -1.38084722530442,
            47.15123599916586
          ],
          [
            -1.376809727501775,
            47.16091058711754
          ],
          [
            -1.374457396087387,
            47.16986300983418
          ],
          [
            -1.375155196637857,
            47.1760040321111
          ],
          [
            -1.37396432032706,
            47.18558868254907
          ],
          [
            -1.369254697383856,
            47.19582913375095
          ],
          [
            -1.376163253096433,
            47.199120643517105
          ],
          [
            -1.382755388119628,
            47.20387542892213
          ],
          [
            -1.389529261108292,
            47.21084107950453
          ],
          [
            -1.422659644645539,
            47.21674843977561
          ],
          [
            -1.440479353812663,
            47.21923127087257
          ],
          [
            -1.448846861840255,
            47.21143493706632
          ],
          [
            -1.44549017028775,
            47.185089837024876
          ],
          [
            -1.43171734912282,
            47.18407628647294
          ],
          [
            -1.413768418957857,
            47.18051543625638
          ],
          [
            -1.417025669393275,
            47.173799741219234
          ],
          [
            -1.422898822810755,
            47.17044643509334
          ],
          [
            -1.427523806110655,
            47.16575196058326
          ],
          [
            -1.428993943802017,
            47.16128633032776
          ],
          [
            -1.436092000790752,
            47.15421536651562
          ],
          [
            -1.445381525882757,
            47.15113541992262
          ],
          [
            -1.447445636902938,
            47.146682688648866
          ],
          [
            -1.439348113980176,
            47.14433382137552
          ],
          [
            -1.439491453490126,
            47.13870158315501
          ],
          [
            -1.449371155688196,
            47.131125943402346
          ],
          [
            -1.450740277091996,
            47.12706954280304
          ],
          [
            -1.45863288547013,
            47.12106634203468
          ],
          [
            -1.476840611352672,
            47.118243279577705
          ]
        ]
      ]
    },
    "properties": {}
  },
  "epci_in_ctu": "Non",
  "geo_point_2d": {
    "lat": 47.158226453407465,
    "lon": -1.4176558891359032
  },
  "epci_area_code": "FXX",
  "epci_name_lower": "cc sèvre maine et goulaine",
  "epci_name_upper": "CC SÈVRE MAINE ET GOULAINE",
  "epci_current_code": [
    "244400651"
  ]
}

Record 3year: 2021 · dep_code: ["44"]

{
  "year": "2021",
  "dep_code": [
    "44"
  ],
  "dep_name": [
    "Loire-Atlantique"
  ],
  "reg_code": [
    "52"
  ],
  "reg_name": [
    "Pays de la Loire"
  ],
  "epci_code": [
    "244400453"
  ],
  "epci_name": [
    "CC de la Région de Blain"
  ],
  "epci_type": "CC",
  "geo_shape": "[large value omitted]",
  "epci_in_ctu": "Non",
  "geo_point_2d": {
    "lat": 47.470184135282096,
    "lon": -1.7933877178513828
  },
  "epci_area_code": "FXX",
  "epci_name_lower": "cc de la région de blain",
  "epci_name_upper": "CC DE LA RÉGION DE BLAIN",
  "epci_current_code": [
    "244400453"
  ]
}

Record 4year: 2018 · dep_code: ["44"]

{
  "year": "2018",
  "dep_code": [
    "44"
  ],
  "dep_name": [
    "Loire-Atlantique"
  ],
  "reg_code": [
    "52"
  ],
  "reg_name": [
    "Pays de la Loire"
  ],
  "epci_code": [
    "200067635"
  ],
  "epci_name": [
    "CA Clisson Sèvre et Maine Agglo"
  ],
  "epci_type": "CA",
  "geo_shape": "[large value omitted]",
  "epci_in_ctu": "Non",
  "geo_point_2d": {
    "lat": 47.069747246665905,
    "lon": -1.3565480811373898
  },
  "epci_area_code": "FXX",
  "epci_name_lower": "ca clisson sèvre et maine agglo",
  "epci_name_upper": "CA CLISSON SÈVRE ET MAINE AGGLO",
  "epci_current_code": [
    "200067635"
  ]
}

Record 5year: 2017 · dep_code: ["44"]

{
  "year": "2017",
  "dep_code": [
    "44"
  ],
  "dep_name": [
    "Loire-Atlantique"
  ],
  "reg_code": [
    "52"
  ],
  "reg_name": [
    "Pays de la Loire"
  ],
  "epci_code": [
    "200000438"
  ],
  "epci_name": [
    "CC du Pays de Pontchâteau Saint-Gildas-des-Bois"
  ],
  "epci_type": "CC",
  "geo_shape": "[large value omitted]",
  "epci_in_ctu": "Non",
  "geo_point_2d": {
    "lat": 47.47572787195331,
    "lon": -2.0769977156853
  },
  "epci_area_code": "FXX",
  "epci_name_lower": "cc du pays de pontchâteau saint-gildas-des-bois",
  "epci_name_upper": "CC DU PAYS DE PONTCHÂTEAU SAINT-GILDAS-DES-BOIS",
  "epci_current_code": [
    "200000438"
  ]
}

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/538168329_composition-intercommunalites-millesimees-loire-atlantique

License

Licence Ouverte 2.0 (France / Etalab)Open

✓ Redistributable
✓ Attribution required

Query examples

curl -s 'https://data.loire-atlantique.fr/api/explore/v2.1/catalog/datasets/538168329_composition-intercommunalites-millesimees-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.

Full API documentation ↗

Rate limits

10 000 000 req/day

per ipmeasured

observed 2 days ago

Dataset

Volume & freshness

Records

199

Update cadence

Annual

declared upstream

Last upstream update

2 years ago

2025-04-25

Temporal coverage

2023 → ongoing

License

No license declared upstream.

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Source: opendatasoft

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JSON

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