Query demographic data

In this tutorial, you find demographic information for a location by accessing the GeoEnrichment service. The GeoEnrichment service provides information such as population and household size about geographic areas that you define.

Prerequisites

You need a free ArcGIS developer account to access your dashboard and API keys. The API key must be scoped to access the services used in this tutorial.

Steps

Create a new pen

  1. If you are using the CDN libraries, to get started.

Make the request

You can copy and paste the code below, following the steps to make a request to the GeoEnrichment service.

  1. Reference the ArcGIS REST JS libraries either through CDN, ES Modules, or Node JS.

  2. Set the apiKey with the API key from your dashboard.

  3. Define the parameters needed for the request.

  4. Call the Geoenrichment service and handle the results.

CDNES ModulesNode JS
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<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>ArcGIS REST JS</title>
  <style>
    body {
      font-family: monospace;
      color: white;
    }
    pre {
      overflow: auto;
      padding: 1rem;
    }
    body,pre{
      background: #000000;
    }
  </style>
</head>
<body>
  <pre id="result"></pre>

  <!-- require ArcGIS REST JS libraries from https://unpkg.com -->
  <script src="https://unpkg.com/@esri/arcgis-rest-request@3.0.0/dist/umd/request.umd.js"></script>
  <script src="https://unpkg.com/@esri/arcgis-rest-auth@3.0.0/dist/umd/auth.umd.js"></script>
  <script src="https://unpkg.com/@esri/arcgis-rest-demographics@3.0.0/dist/umd/demographics.umd.js"></script>

  <script>
    /* when including ArcGIS REST JS all exports are available
    from the same arcgisRest global */

    const apiKey = "YOUR-API-KEY";

    const authentication = new arcgisRest.ApiKey({
      key: apiKey
    });

    arcgisRest.queryDemographicData({
      studyAreas: [{ "geometry": { "x": 0.1278, "y": 51.5074 } }], // London
      authentication: authentication
    })
    .then((response) => {
      console.log("Demographics:", response);
      document.getElementById("result").textContent = JSON.stringify(response, null, 2);
    });

  </script>

</body>
</html>

Result

The request will return the following :

What's next?

Learn how to use additional ArcGIS location services in these tutorials: