diff --git a/src/registrar/models/user_portfolio_permission.py b/src/registrar/models/user_portfolio_permission.py
index 6acd651db..847df7857 100644
--- a/src/registrar/models/user_portfolio_permission.py
+++ b/src/registrar/models/user_portfolio_permission.py
@@ -1,11 +1,11 @@
 from django.db import models
 from django.forms import ValidationError
+from registrar.models.user_domain_role import UserDomainRole
 from registrar.utility.waffle import flag_is_active_for_user
 from registrar.models.utility.portfolio_helper import UserPortfolioPermissionChoices, UserPortfolioRoleChoices
 from .utility.time_stamped_model import TimeStampedModel
 from django.contrib.postgres.fields import ArrayField
 
-
 class UserPortfolioPermission(TimeStampedModel):
     """This is a linking table that connects a user with a role on a portfolio."""
 
@@ -67,6 +67,16 @@ class UserPortfolioPermission(TimeStampedModel):
     def __str__(self):
         return f"User '{self.user}' on Portfolio '{self.portfolio}' " f"<Roles: {self.roles}>" if self.roles else ""
 
+    def get_managed_domains_count(self):
+        """Return the count of domains managed by the user for this portfolio."""
+        # Filter the UserDomainRole model to get domains where the user has a manager role
+        managed_domains = UserDomainRole.objects.filter(
+            user=self.user,
+            role=UserDomainRole.Roles.MANAGER,
+            domain__domain_info__portfolio=self.portfolio
+        ).count()
+        return managed_domains
+    
     def _get_portfolio_permissions(self):
         """
         Retrieve the permissions for the user's portfolio roles.
diff --git a/src/registrar/templates/includes/member_domain_mgmt.html b/src/registrar/templates/includes/member_domain_mgmt.html
new file mode 100644
index 000000000..34f8bf5e6
--- /dev/null
+++ b/src/registrar/templates/includes/member_domain_mgmt.html
@@ -0,0 +1,6 @@
+<h4 class="margin-bottom-0 text-primary">Assigned domains</h4>
+{% if domain_count > 0 %}
+    <p class="margin-top-0">{{domain_count}}</p>
+{% else %}
+    <p class="margin-top-0">This member does not manage any domains.{% if editable %} To assign this member a domain, click "Manage".{% endif %}</p>
+{% endif %}
diff --git a/src/registrar/templates/includes/summary_item.html b/src/registrar/templates/includes/summary_item.html
index fbe392c4d..aae7b8cf9 100644
--- a/src/registrar/templates/includes/summary_item.html
+++ b/src/registrar/templates/includes/summary_item.html
@@ -26,6 +26,8 @@
       {% endif %}
       {% if permissions %}
         {% include "includes/member_permissions.html" with permissions=value %}
+      {% elif domain_mgmt %}
+        {% include "includes/member_domain_mgmt.html" with domain_count=value %}
       {% elif address %}
         {% include "includes/organization_address.html" with organization=value %}
       {% elif contact %}
diff --git a/src/registrar/templates/portfolio_member.html b/src/registrar/templates/portfolio_member.html
index 718970818..4cb846b5a 100644
--- a/src/registrar/templates/portfolio_member.html
+++ b/src/registrar/templates/portfolio_member.html
@@ -68,12 +68,10 @@
     {% include "includes/summary_item.html" with title='Member access and permissions' permissions='true' value=portfolio_invitation edit_link=edit_url editable=has_edit_members_portfolio_permission %}
   {% endif %}
 
-  {% if has_any_domains_portfolio_permission %}
-    {% if has_edit_members_portfolio_permission %}
-      {% include "includes/summary_item.html" with title='Domain management' value="Asdasd" edit_link='#' editable='true' manage_button='true' %}
-    {% else %}
-      {% include "includes/summary_item.html" with title='Domain management' value="Asdasd" edit_link='#' editable='true' view_button='true' %}
-    {% endif %}
+  {% if portfolio_permission %}
+    {% include "includes/summary_item.html" with title='Domain management' domain_mgmt='true' value=portfolio_permission.get_managed_domains_count edit_link='#' editable=has_edit_members_portfolio_permission manage_button='true' %}
+  {% else %}
+    {% include "includes/summary_item.html" with title='Domain management' domain_mgmt='true' value=0 edit_link='#' editable=has_edit_members_portfolio_permission manage_button='true' %}
   {% endif %}
         
 </div>