diff --git a/app/broadcast_areas/broadcast-areas.sqlite3 b/app/broadcast_areas/broadcast-areas.sqlite3
index 81c085e9c..dca02edc5 100644
Binary files a/app/broadcast_areas/broadcast-areas.sqlite3 and b/app/broadcast_areas/broadcast-areas.sqlite3 differ
diff --git a/app/broadcast_areas/create-broadcast-areas-db.py b/app/broadcast_areas/create-broadcast-areas-db.py
index c8ead3137..c5817b979 100755
--- a/app/broadcast_areas/create-broadcast-areas-db.py
+++ b/app/broadcast_areas/create-broadcast-areas-db.py
@@ -88,6 +88,7 @@ def estimate_number_of_smartphones_in_area(country_or_ward_code):
 
 
 test_filepath = source_files_path / "Test.geojson"
+demo_filepath = source_files_path / "Demo.geojson"
 ctry19_filepath = source_files_path / "Countries.geojson"
 
 # https://geoportal.statistics.gov.uk/datasets/wards-may-2020-boundaries-uk-bgc
@@ -181,6 +182,41 @@ def add_test_areas():
     repo.insert_broadcast_areas(areas_to_add, keep_old_polygons)
 
 
+def add_demo_areas():
+    dataset_id = 'demo'
+    dataset_geojson = geojson.loads(demo_filepath.read_text())
+    repo.insert_broadcast_area_library(
+        dataset_id,
+        name='Demo areas',
+        name_singular='demo area',
+        is_group=False,
+    )
+
+    areas_to_add = []
+    for feature in dataset_geojson["features"]:
+        f_id = feature["properties"]['id']
+        f_name = feature["properties"]['name']
+        f_count_of_phones = feature["properties"]['count_of_phones']
+
+        print()  # noqa: T001
+        print(f_name)  # noqa: T001
+
+        feature, _ = polygons_and_simplified_polygons(
+            feature["geometry"]
+        )
+
+        print('    Phones: ', f_count_of_phones)  # noqa: T001
+
+        areas_to_add.append([
+            f'{dataset_id}-{f_id}', f_name,
+            dataset_id, None,
+            feature, feature,
+            f_count_of_phones,
+        ])
+
+    repo.insert_broadcast_areas(areas_to_add, keep_old_polygons)
+
+
 def add_countries():
     dataset_id = 'ctry19'
     dataset_geojson = geojson.loads(ctry19_filepath.read_text())
@@ -330,6 +366,7 @@ else:
     repo.delete_db()
     repo.create_tables()
 add_test_areas()
+add_demo_areas()
 add_countries()
 add_wards_local_authorities_and_counties()
 
diff --git a/app/broadcast_areas/source_files/Demo.geojson b/app/broadcast_areas/source_files/Demo.geojson
new file mode 100644
index 000000000..888b2d3f7
--- /dev/null
+++ b/app/broadcast_areas/source_files/Demo.geojson
@@ -0,0 +1,24 @@
+{
+  "type": "FeatureCollection",
+  "features": [
+    {
+      "type": "Feature",
+      "properties": {
+        "id": "sizewell",
+        "name": "Sizewell",
+        "count_of_phones": 700
+      },
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [[
+          [1.58242, 52.22035],
+          [1.58491, 52.19521],
+          [1.59971, 52.19325],
+          [1.62352, 52.19372],
+          [1.62599, 52.21901],
+          [1.58242, 52.22035]
+        ]]
+      }
+    }
+  ]
+}
diff --git a/tests/app/broadcast_areas/test_broadcast_area.py b/tests/app/broadcast_areas/test_broadcast_area.py
index f25a44856..5ec865c76 100644
--- a/tests/app/broadcast_areas/test_broadcast_area.py
+++ b/tests/app/broadcast_areas/test_broadcast_area.py
@@ -27,6 +27,11 @@ def test_loads_libraries():
             'Countries',
             False,
         ),
+        (
+            'demo',
+            'Demo areas',
+            False,
+        ),
         (
             'wd20-lad20-ctyua19',
             'Local authorities',
@@ -159,9 +164,10 @@ def test_repository_has_all_libraries():
     repo = BroadcastAreasRepository()
     libraries = repo.get_libraries()
 
-    assert len(libraries) == 3
+    assert len(libraries) == 4
     assert [
         ('Countries', 'country'),
+        ('Demo areas', 'demo area'),
         ('Test areas', 'test area'),
         ('Local authorities', 'local authority'),
     ] == [(name, name_singular) for _, name, name_singular, _is_group in libraries]
diff --git a/tests/app/main/views/test_broadcast.py b/tests/app/main/views/test_broadcast.py
index 1c4ef92bc..0028779d0 100644
--- a/tests/app/main/views/test_broadcast.py
+++ b/tests/app/main/views/test_broadcast.py
@@ -900,6 +900,7 @@ def test_preview_broadcast_areas_page_with_custom_polygons(
 @pytest.mark.parametrize('areas, expected_list', (
     ([], [
         'Countries',
+        'Demo areas',
         'Local authorities',
         'Test areas',
     ]),
@@ -909,6 +910,7 @@ def test_preview_broadcast_areas_page_with_custom_polygons(
         'ctry19-S92000003',
     ], [
         'Countries',
+        'Demo areas',
         'Local authorities',
         'Test areas',
     ]),
@@ -919,6 +921,7 @@ def test_preview_broadcast_areas_page_with_custom_polygons(
         'lad20-E06000052',  # Cornwall, a unitary authority
     ], [
         'Countries',
+        'Demo areas',
         'Local authorities',
         'Test areas',
     ]),
@@ -936,6 +939,7 @@ def test_preview_broadcast_areas_page_with_custom_polygons(
         'Shetland Islands',
         # ---
         'Countries',
+        'Demo areas',
         'Local authorities',
         'Test areas',
     ]),