Get local data

Learn how to access local data, such as spending trends, for the United States with the ArcGIS GeoEnrichment serviceA GeoEnrichment service is a service that aggregates demographic data and local facts for locations around the world. It is used to provide insight about the people and places near a location. It is hosted by Esri as the ArcGIS GeoEnrichment service and can also be hosted in ArcGIS Enterprise.Learn more.

The ArcGIS GeoEnrichment serviceA GeoEnrichment service is a service that aggregates demographic data and local facts for locations around the world. It is used to provide insight about the people and places near a location. It is hosted by Esri as the ArcGIS GeoEnrichment service and can also be hosted in ArcGIS Enterprise.Learn more provides detailed local data for specific countries. Each individual data field is represented by an analysis variableAn analysis variable is a data field name that defines which data to query and return from the GeoEnrichment service.Learn more that are organized into data categories such as spending and market behaviors such as 2022 Educational Attainment or 2022 Seen Video Ad at Gas Station Last 30 Days. The data available vary by country and by data provider.

In this tutorial, use ArcGIS REST JS to access the GeoEnrichment service and display spending trend information for a study area within the United States.

Prerequisites

Steps

Get the starter app

Select a type of authentication and follow the steps to create a new app.

Set up authentication

Set developer credentials

Use the API key or OAuth developer credentialsDeveloper credentials are a type of item in a portal that contains parameters for authentication. There are two types of developer credentials: API key credentials and OAuth credentials.Learn more so your application can access ArcGIS servicesA service, also known as an ArcGIS service, is software that supports an ArcGIS REST API and provides geospatial functionality or data. A service can be hosted by Esri or in ArcGIS Enterprise.Learn more.

Add references to ArcGIS REST JS

1. Reference the demographics and request modules from ArcGIS REST JS.

   Expand

   Use dark colors for code blocks

   1
   2
   3
   4
   5
   6
   7
   8
   9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
   100
   101
   102
   103
   104
   105
   106
   107
   108
   109
   110
   111
   112
   113
   114
   115
   116
   117
   118
       <!-- Load Leaflet from CDN -->
       <link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css" crossorigin="">
       <script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js" crossorigin=""></script>
   
       <!-- Load Esri Leaflet from CDN -->
       <script src="https://unpkg.com/esri-leaflet@3.0.19/dist/esri-leaflet.js"></script>
       <script src="https://unpkg.com/esri-leaflet-vector@4.3.2/dist/esri-leaflet-vector.js"></script>
   
       <!-- Load ArcGIS REST JS libraries from https://unpkg.com -->
       <script src="https://unpkg.com/@esri/arcgis-rest-request@4/dist/bundled/request.umd.js"></script>
       <script
         src="https://unpkg.com/@esri/arcgis-rest-demographics@4/dist/bundled/demographics.umd.js"></script>
   

   Expand

Update the map

1. Center the map on [-86.7679, 36.1745] and set the zoom level to 12. Change the basemapEnum to arcgis/navigation.

   Expand

   Use dark colors for code blocksCopy

   1
   2
   3
   4
   5
   6
   7
   8
   9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
   100
   101
   102
   103
   104
   105
   106
   107
   108
   109
   110
   111
   112
   113
   114
   115
   116
   117
   118
       const basemapEnum = "arcgis/navigation";
   
       const map = L.map("map", {
         minZoom: 2
       });
   
       map.setView([36.1745, -86.7679], 12); //Nashville, TN
   
       L.esri.Vector.vectorBasemapLayer(basemapEnum, {
         token: accessToken
       }).addTo(map);
   

   Expand

Add a click handler

When you click on the map, your application will display local data for the area near the clicked location. Use a click handler to retrieve the coordinates of the click.

1. Create a function called getDemographicData that takes the latlng coordinates as a parameter.

   Expand

   Use dark colors for code blocks

   1
   2
   3
   4
   5
   6
   7
   8
   9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
   100
   101
   102
   103
   104
   105
   106
   107
   108
   109
   110
   111
   112
   113
   114
   115
   116
   117
   118
       L.esri.Vector.vectorBasemapLayer(basemapEnum, {
         token: accessToken
       }).addTo(map);
   
       function getDemographicData(latlng) {
   
       }
   
   

   Expand

2. Add a click event handler. Inside, call getDemographicData with the LatLng of the clicked location.

   Expand

   Use dark colors for code blocks

   1
   2
   3
   4
   5
   6
   7
   8
   9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
   100
   101
   102
   103
   104
   105
   106
   107
   108
   109
   110
   111
   112
   113
   114
   115
   116
   117
   118
       L.esri.Vector.vectorBasemapLayer(basemapEnum, {
         token: accessToken
       }).addTo(map);
   
       function getDemographicData(latlng) {
   
       }
   
       map.on("click", (e) => {
         getDemographicData(e.latlng);
       });
   

   Expand

Execute the query

Use the queryDemographicData operation to retrieve local data. To query a circular buffer around a point, pass a geometry object with x and y coordinates The default search radius is one mile.

1. Create a new ApiKeyManager using your API keyAn API key is a long-lived access token created using API key credentials. They are valid for up to one year and are typically embedded directly into client applications.Learn more.

   Expand

   Use dark colors for code blocks

   1
   2
   3
   4
   5
   6
   7
   8
   9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
   100
   101
   102
   103
   104
   105
   106
   107
   108
   109
   110
   111
   112
   113
   114
   115
   116
   117
   118
       L.esri.Vector.vectorBasemapLayer(basemapEnum, {
         token: accessToken
       }).addTo(map);
   
       const authentication = arcgisRest.ApiKeyManager.fromKey(accessToken);
   
       function getDemographicData(latlng) {
   
       }
   

   Expand

2. Access the GeoEnrichment serviceA GeoEnrichment service is a service that aggregates demographic data and local facts for locations around the world. It is used to provide insight about the people and places near a location. It is hosted by Esri as the ArcGIS GeoEnrichment service and can also be hosted in ArcGIS Enterprise.Learn more with queryDemographicData. Set the studyAreas parameter to a pointA point is a type of geometry containing a single set of x,y coordinates and a spatial reference.Learn more geometry made from the event's lngLat property. Also pass the authentication object.

   Expand

   Use dark colors for code blocks

   1
   2
   3
   4
   5
   6
   7
   8
   9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
   100
   101
   102
   103
   104
   105
   106
   107
   108
   109
   110
   111
   112
   113
   114
   115
   116
   117
   118
       function getDemographicData(latlng) {
   
         arcgisRest
           .queryDemographicData({
             studyAreas: [{ geometry: { x: latlng.lng, y: latlng.lat } }],
             authentication: authentication,
   
           })
   
       }
   

   Expand

3. Set the analysisVariables parameter with the following analysis variables:

   • Buys Natural Products (PsychographicsShopping.MP28067A_B)
   • Auto/Truck Rental on Trips (transportation.X7027_I)
   • Membership fees for Social Clubs (entertainment.X9005_I)
   Expand

   Use dark colors for code blocks

   1
   2
   3
   4
   5
   6
   7
   8
   9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
   100
   101
   102
   103
   104
   105
   106
   107
   108
   109
   110
   111
   112
   113
   114
   115
   116
   117
   118
         arcgisRest
           .queryDemographicData({
             studyAreas: [{ geometry: { x: latlng.lng, y: latlng.lat } }],
             authentication: authentication,
   
             analysisVariables: [
               "PsychographicsShopping.MP28067A_B",
               "transportation.X7027_I",
               "entertainment.X9005_I"
             ]
   
           })
   

   Expand

Display results

If the query is successful, the response will contain a results array with a value containing a FeatureSet. The FeatureSet contains demographic attributes such as population within the study area, the number of males and females, and the average household size. A message will display if there is no data available for a location selected. To learn more, go to Data enrichment chapter in the Mapping and location services guide.

You can use a Popup to show the results of the query at the location where you clicked on the map.

1. Access the response FeatureSet in a callback function and check to see if it contains data. If data was returned, access the feature attributesAttributes are fields and values for a single feature or non-spatial record. They are typically stored in a database or service such as a feature service.Learn more to retrieve demographic information.

   Expand

   Use dark colors for code blocks

   1
   2
   3
   4
   5
   6
   7
   8
   9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
   100
   101
   102
   103
   104
   105
   106
   107
   108
   109
   110
   111
   112
   113
   114
   115
   116
   117
   118
       function getDemographicData(latlng) {
   
         arcgisRest
           .queryDemographicData({
             studyAreas: [{ geometry: { x: latlng.lng, y: latlng.lat } }],
             authentication: authentication,
   
             analysisVariables: [
               "PsychographicsShopping.MP28067A_B",
               "transportation.X7027_I",
               "entertainment.X9005_I"
             ]
   
           })
   
           .then((response) => {
             const featureSet = response.results[0].value.FeatureSet;
             let message;
   
             if (featureSet.length > 0 && featureSet[0].features.length > 0) {
               const attributes = featureSet[0].features[0].attributes;
               message =
                 "<b>Data for a 1 mile search radius</b><br>" +
                 [
                   `Buys Natural Products: ${attributes.MP28067a_B}`,
                   `Membership fees for Social Clubs: ${attributes.X9005_I}`,
                   `Auto/Truck Rental on Trips: ${attributes.X7027_I}`
                 ].join("<br>");
             } else {
               message = "Data not available for this location.";
             }
   
           });
   
       }
   

   Expand

2. Display a Popup at the clicked location containing the demographic information.

   Expand

   Use dark colors for code blocks

   1
   2
   3
   4
   5
   6
   7
   8
   9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
   100
   101
   102
   103
   104
   105
   106
   107
   108
   109
   110
   111
   112
   113
   114
   115
   116
   117
   118
           .then((response) => {
             const featureSet = response.results[0].value.FeatureSet;
             let message;
   
             if (featureSet.length > 0 && featureSet[0].features.length > 0) {
               const attributes = featureSet[0].features[0].attributes;
               message =
                 "<b>Data for a 1 mile search radius</b><br>" +
                 [
                   `Buys Natural Products: ${attributes.MP28067a_B}`,
                   `Membership fees for Social Clubs: ${attributes.X9005_I}`,
                   `Auto/Truck Rental on Trips: ${attributes.X7027_I}`
                 ].join("<br>");
             } else {
               message = "Data not available for this location.";
             }
   
             L.popup().setLatLng(latlng).setContent(message).openOn(map);
   
           });
   

   Expand

Run the app

Run the app.

You should now see a map centered over Nashville. Click on the map to access the GeoEnrichment service to return local information and view the results in a popup.

What's next?

Learn how to use additional location services in these tutorials: