diff --git a/app/jobs/demo_family_refresh_job.rb b/app/jobs/demo_family_refresh_job.rb
new file mode 100644
index 000000000..65f6a8c9b
--- /dev/null
+++ b/app/jobs/demo_family_refresh_job.rb
@@ -0,0 +1,80 @@
+class DemoFamilyRefreshJob < ApplicationJob
+  queue_as :scheduled
+
+  def perform
+    period_end = Time.current
+    period_start = period_end - 24.hours
+
+    demo_email = Rails.application.config_for(:demo).fetch("email")
+    demo_user = User.find_by(email: demo_email)
+    old_family = demo_user&.family
+
+    old_family_session_count = sessions_count_for(old_family, period_start:, period_end:)
+    newly_created_families_count = Family.where(created_at: period_start...period_end).count
+
+    if old_family
+      delete_old_family_monitoring_key!(old_family)
+      anonymize_family_emails!(old_family)
+      DestroyJob.perform_later(old_family)
+    end
+
+    Demo::Generator.new.generate_default_data!(skip_clear: true, email: demo_email)
+
+    notify_super_admins!(
+      old_family:,
+      old_family_session_count:,
+      newly_created_families_count:,
+      period_start:,
+      period_end:
+    )
+  end
+
+  private
+
+    def sessions_count_for(family, period_start:, period_end:)
+      return 0 unless family
+
+      Session
+        .joins(:user)
+        .where(users: { family_id: family.id })
+        .where(created_at: period_start...period_end)
+        .distinct
+        .count(:id)
+    end
+
+
+    def delete_old_family_monitoring_key!(family)
+      ApiKey
+        .where(user_id: family.users.select(:id), display_key: ApiKey::DEMO_MONITORING_KEY)
+        .delete_all
+    end
+
+    def anonymize_family_emails!(family)
+      family.users.find_each do |user|
+        user.update_columns(
+          email: deleted_email_for(user),
+          unconfirmed_email: nil,
+          updated_at: Time.current
+        )
+      end
+    end
+
+    def deleted_email_for(user)
+      local_part, domain = user.email.split("@", 2)
+      "#{local_part}+deleting-#{user.id}-#{SecureRandom.hex(4)}@#{domain}"
+    end
+
+    def notify_super_admins!(old_family:, old_family_session_count:, newly_created_families_count:, period_start:, period_end:)
+      User.super_admin.find_each do |super_admin|
+        DemoFamilyRefreshMailer.with(
+          super_admin:,
+          old_family_id: old_family&.id,
+          old_family_name: old_family&.name,
+          old_family_session_count:,
+          newly_created_families_count:,
+          period_start:,
+          period_end:
+        ).completed.deliver_later
+      end
+    end
+end
diff --git a/app/mailers/demo_family_refresh_mailer.rb b/app/mailers/demo_family_refresh_mailer.rb
new file mode 100644
index 000000000..f44d435eb
--- /dev/null
+++ b/app/mailers/demo_family_refresh_mailer.rb
@@ -0,0 +1,16 @@
+class DemoFamilyRefreshMailer < ApplicationMailer
+  def completed
+    @super_admin = params.fetch(:super_admin)
+    @old_family_id = params[:old_family_id]
+    @old_family_name = params[:old_family_name]
+    @old_family_session_count = params.fetch(:old_family_session_count)
+    @newly_created_families_count = params.fetch(:newly_created_families_count)
+    @period_start = params.fetch(:period_start)
+    @period_end = params.fetch(:period_end)
+
+    mail(
+      to: @super_admin.email,
+      subject: "Demo family refresh completed"
+    )
+  end
+end
diff --git a/app/views/demo_family_refresh_mailer/completed.text.erb b/app/views/demo_family_refresh_mailer/completed.text.erb
new file mode 100644
index 000000000..cd2e05ce0
--- /dev/null
+++ b/app/views/demo_family_refresh_mailer/completed.text.erb
@@ -0,0 +1,6 @@
+Demo family refresh has completed.
+
+Period (UTC): <%= @period_start.iso8601 %> to <%= @period_end.iso8601 %>
+Old demo family: <%= @old_family_name || "not found" %><% if @old_family_id %> (ID: <%= @old_family_id %>)<% end %>
+Unique login sessions for old demo family in period: <%= @old_family_session_count %>
+New family accounts created in period: <%= @newly_created_families_count %>
diff --git a/config/schedule.yml b/config/schedule.yml
index 74ac99122..c3903a229 100644
--- a/config/schedule.yml
+++ b/config/schedule.yml
@@ -36,3 +36,9 @@ clean_inactive_families:
   class: "InactiveFamilyCleanerJob"
   queue: "scheduled"
   description: "Archives and destroys families that expired their trial without subscribing (managed mode only)"
+
+refresh_demo_family:
+  cron: "0 5 * * *" # daily at 5:00 AM UTC
+  class: "DemoFamilyRefreshJob"
+  queue: "scheduled"
+  description: "Refreshes demo family data and emails super admins with daily usage summary"
diff --git a/test/jobs/demo_family_refresh_job_test.rb b/test/jobs/demo_family_refresh_job_test.rb
new file mode 100644
index 000000000..991b2ed3c
--- /dev/null
+++ b/test/jobs/demo_family_refresh_job_test.rb
@@ -0,0 +1,64 @@
+require "test_helper"
+
+class DemoFamilyRefreshJobTest < ActiveJob::TestCase
+  setup do
+    @demo_email = "demo-user@example.com"
+    Rails.application.stubs(:config_for).with(:demo).returns({ "email" => @demo_email })
+
+    @demo_family = Family.create!(name: "Demo Family")
+    @demo_user = @demo_family.users.create!(
+      first_name: "Demo",
+      last_name: "Admin",
+      email: @demo_email,
+      password: "password123",
+      role: :admin,
+      onboarded_at: Time.current,
+      ai_enabled: true,
+      show_sidebar: true,
+      show_ai_sidebar: true,
+      ui_layout: :dashboard
+    )
+
+    @super_admin = families(:dylan_family).users.create!(
+      first_name: "Super",
+      last_name: "Admin",
+      email: "super-admin@example.com",
+      password: "password123",
+      role: :super_admin,
+      onboarded_at: Time.current,
+      ai_enabled: true,
+      show_sidebar: true,
+      show_ai_sidebar: true,
+      ui_layout: :dashboard
+    )
+  end
+
+  test "anonymizes old demo user email, enqueues deletion, regenerates data, and notifies super admins" do
+    travel_to Time.utc(2026, 1, 1, 5, 0, 0) do
+      Session.create!(user: @demo_user)
+      Family.create!(name: "New Family Today", created_at: 6.hours.ago)
+      Family.create!(name: "Old Family", created_at: 2.days.ago)
+      @demo_user.api_keys.create!(
+        name: "monitoring",
+        key: ApiKey::DEMO_MONITORING_KEY,
+        scopes: [ "read" ],
+        source: "monitoring"
+      )
+
+      generator = mock
+      generator.expects(:generate_default_data!).with(skip_clear: true, email: @demo_email) do
+        assert_nil ApiKey.find_by(display_key: ApiKey::DEMO_MONITORING_KEY)
+      end
+      Demo::Generator.expects(:new).returns(generator)
+
+      assert_enqueued_with(job: DestroyJob, args: [ @demo_family ]) do
+        assert_enqueued_jobs 2, only: ActionMailer::MailDeliveryJob do
+          DemoFamilyRefreshJob.perform_now
+        end
+      end
+
+      assert_not_equal @demo_email, @demo_user.reload.email
+      assert_match(/\+deleting-/, @demo_user.email)
+    end
+  end
+end
diff --git a/test/mailers/demo_family_refresh_mailer_test.rb b/test/mailers/demo_family_refresh_mailer_test.rb
new file mode 100644
index 000000000..53b540bcb
--- /dev/null
+++ b/test/mailers/demo_family_refresh_mailer_test.rb
@@ -0,0 +1,23 @@
+require "test_helper"
+
+class DemoFamilyRefreshMailerTest < ActionMailer::TestCase
+  test "completed email includes summary metrics" do
+    period_start = Time.utc(2026, 1, 1, 5, 0, 0)
+    period_end = period_start + 24.hours
+
+    email = DemoFamilyRefreshMailer.with(
+      super_admin: users(:sure_support_staff),
+      old_family_id: families(:empty).id,
+      old_family_name: families(:empty).name,
+      old_family_session_count: 12,
+      newly_created_families_count: 4,
+      period_start:,
+      period_end:
+    ).completed
+
+    assert_equal [ "support@sure.am" ], email.to
+    assert_equal "Demo family refresh completed", email.subject
+    assert_includes email.body.to_s, "Unique login sessions for old demo family in period: 12"
+    assert_includes email.body.to_s, "New family accounts created in period: 4"
+  end
+end