diff --git a/app/controllers/organizations_controller.rb b/app/controllers/organizations_controller.rb
index cff3b1b28..4eb8d5288 100644
--- a/app/controllers/organizations_controller.rb
+++ b/app/controllers/organizations_controller.rb
@@ -1,6 +1,6 @@
 class OrganizationsController < ApplicationController
   include AhoyTracking
-  before_action :set_organization, only: [ :show, :edit, :update, :destroy ]
+  before_action :set_organization, only: [ :show, :edit, :update, :destroy, :populations_served ]
 
   def index
     authorize!
@@ -118,6 +118,19 @@ def set_index_variables
     @organization_statuses = OrganizationStatus.all
   end
 
+  def populations_served
+    authorize! @organization
+
+    people = @organization.users.includes(:person).map(&:person).compact
+
+    sector_counts = Hash.new(0)
+    people.each do |person|
+      primary_sector = person.sectors.first
+      sector_counts[primary_sector] += 1 if primary_sector
+    end
+    @sectors_by_people = sector_counts.sort_by { |_sector, count| -count }
+end
+
   private
 
   def set_organization
diff --git a/app/views/organizations/populations_served.html.erb b/app/views/organizations/populations_served.html.erb
new file mode 100644
index 000000000..7c1a42300
--- /dev/null
+++ b/app/views/organizations/populations_served.html.erb
@@ -0,0 +1,25 @@
+<div class="rounded-lg border border-gray-200 bg-gray-50 p-6 shadow-sm">
+  <h2 class="text-lg font-semibold text-gray-800 mb-4">
+     Sector Distribution for <%= @organization.name %>
+  </h2>
+
+  <% if @sectors_by_people.any? %>
+    <ul class="space-y-2">
+      <% @sectors_by_people.each do |sector, count| %>
+        <li class="flex items-center justify-between p-2 bg-white rounded border border-gray-100 shadow-sm">
+          <span><%= sector.name %></span>
+         <span class="text-gray-600 font-medium">
+          <%= count %> <%= count == 1 ? "person" : "people" %>
+        </span>
+        </li>
+      <% end %>
+    </ul>
+  <% else %>
+    <p class="text-gray-500 italic">No sectors found for this organization.</p>
+  <% end %>
+
+  <div class="mt-6">
+    <%= link_to "← Back to Organization", organization_path(@organization),
+                class: "btn btn-secondary-outline" %>
+  </div>
+</div>
diff --git a/app/views/organizations/show.html.erb b/app/views/organizations/show.html.erb
index 088d2a5e1..b98d10982 100644
--- a/app/views/organizations/show.html.erb
+++ b/app/views/organizations/show.html.erb
@@ -148,6 +148,11 @@
             <% else %>
               <p class="text-gray-500 italic">None selected.</p>
             <% end %>
+            <div class="mt-4">
+              <%= link_to "Sector Distribution",
+                          populations_served_organization_path(@organization),
+                          class: "inline-block px-4 py-2 bg-gray-100 border border-gray-300 rounded shadow-sm text-gray-800 hover:bg-gray-200 transition" %>
+            </div>
           </div>
         <% end %>
       </div>
diff --git a/config/routes.rb b/config/routes.rb
index 88e7690b9..a72c4b5e5 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -96,7 +96,11 @@
       post :resend
     end
   end
-  resources :organizations
+  resources :organizations do
+   member do
+     get :populations_served
+   end
+ end
   resources :organization_statuses
   resources :organization_people
   resources :quotes