diff --git a/frontend/src/app/senators/[id]/loading.tsx b/frontend/src/app/senators/[id]/loading.tsx
new file mode 100644
index 0000000..1a217c7
--- /dev/null
+++ b/frontend/src/app/senators/[id]/loading.tsx
@@ -0,0 +1,5 @@
+import LoadingSpinner from "@/components/ui/LoadingSpinner";
+
+export default function SenatorDetailLoading() {
+  return <LoadingSpinner message="Loading senator..." />;
+}
diff --git a/frontend/src/app/senators/[id]/not-found.tsx b/frontend/src/app/senators/[id]/not-found.tsx
new file mode 100644
index 0000000..d1480a3
--- /dev/null
+++ b/frontend/src/app/senators/[id]/not-found.tsx
@@ -0,0 +1,17 @@
+import Link from "next/link";
+import { Button } from "@/components/ui/button";
+
+export default function SenatorNotFound() {
+  return (
+    <div className="container mx-auto py-20 text-center space-y-6 flex flex-col items-center justify-center">
+      <h2 className="text-4xl font-bold">Senator Not Found</h2>
+      <p className="text-xl text-muted-foreground">
+        We couldn&apos;t find the senator you&apos;re looking for. They may no
+        longer be active or the ID is incorrect.
+      </p>
+      <Button asChild>
+        <Link href="/senators/roster">Return to Senator Roster</Link>
+      </Button>
+    </div>
+  );
+}
diff --git a/frontend/src/app/senators/[id]/page.tsx b/frontend/src/app/senators/[id]/page.tsx
new file mode 100644
index 0000000..a37e0ae
--- /dev/null
+++ b/frontend/src/app/senators/[id]/page.tsx
@@ -0,0 +1,131 @@
+import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
+import {
+  Table,
+  TableBody,
+  TableCell,
+  TableHead,
+  TableHeader,
+  TableRow,
+} from "@/components/ui/table";
+import { ApiError, getSenatorById } from "@/lib/api";
+import Link from "next/link";
+import { notFound } from "next/navigation";
+
+export const dynamic = "force-dynamic";
+
+function initials(name: string) {
+  return name
+    .split(" ")
+    .map((s) => s[0]?.toUpperCase() ?? "")
+    .slice(0, 2)
+    .join("");
+}
+
+export default async function SenatorDetailPage({
+  params,
+}: {
+  params: Promise<{ id: string }>;
+}) {
+  const resolvedParams = await params;
+  let senator;
+
+  try {
+    senator = await getSenatorById(resolvedParams.id);
+  } catch (error) {
+    if (error instanceof ApiError && error.status === 404) {
+      notFound();
+    }
+    throw error;
+  }
+
+  const fullName = `${senator.first_name} ${senator.last_name}`;
+
+  return (
+    <div className="container mx-auto py-8 space-y-8">
+      <div className="flex items-center gap-6">
+        {senator.headshot_url ? (
+          // eslint-disable-next-line @next/next/no-img-element
+          <img
+            src={senator.headshot_url}
+            alt={fullName}
+            className="w-24 h-24 rounded-full object-cover"
+          />
+        ) : (
+          <div className="w-24 h-24 rounded-full bg-gray-200 flex items-center justify-center text-2xl font-semibold text-gray-700">
+            {initials(fullName)}
+          </div>
+        )}
+        <div>
+          <h1 className="text-4xl font-bold">{fullName}</h1>
+          {senator.email && (
+            <a
+              href={`mailto:${senator.email}`}
+              className="text-primary hover:underline"
+            >
+              {senator.email}
+            </a>
+          )}
+        </div>
+      </div>
+
+      <Card>
+        <CardHeader>
+          <CardTitle className="text-xl">Details</CardTitle>
+        </CardHeader>
+        <CardContent className="space-y-2">
+          <p>
+            <span className="font-semibold">District:</span>{" "}
+            {senator.district_id}
+          </p>
+          <p>
+            <span className="font-semibold">Session:</span>{" "}
+            {senator.session_number}
+          </p>
+          <p>
+            <span className="font-semibold">Status:</span>{" "}
+            {senator.is_active ? "Active" : "Inactive"}
+          </p>
+        </CardContent>
+      </Card>
+
+      <div>
+        <h2 className="text-2xl font-bold mb-4">Committee Assignments</h2>
+        <div className="border rounded-md">
+          <Table>
+            <TableHeader>
+              <TableRow>
+                <TableHead>Committee</TableHead>
+                <TableHead>Role</TableHead>
+              </TableRow>
+            </TableHeader>
+            <TableBody>
+              {senator.committees.map((c) => (
+                <TableRow key={c.committee_id}>
+                  <TableCell className="font-medium">
+                    <Link
+                      href={`/committees/${c.committee_id}`}
+                      className="text-primary hover:underline"
+                    >
+                      {c.committee_name}
+                    </Link>
+                  </TableCell>
+                  <TableCell>{c.role}</TableCell>
+                </TableRow>
+              ))}
+              {senator.committees.length === 0 && (
+                <TableRow>
+                  <TableCell
+                    colSpan={2}
+                    className="text-center text-muted-foreground py-4"
+                  >
+                    No committee assignments.
+                  </TableCell>
+                </TableRow>
+              )}
+            </TableBody>
+          </Table>
+        </div>
+      </div>
+    </div>
+  );
+}