diff --git a/frontend/src/i18n/locales/en/admin/overview.ts b/frontend/src/i18n/locales/en/admin/overview.ts
index 2a643ae192..51449dc883 100644
--- a/frontend/src/i18n/locales/en/admin/overview.ts
+++ b/frontend/src/i18n/locales/en/admin/overview.ts
@@ -757,6 +757,7 @@ export default {
       public: 'Public',
       columns: {
         name: 'Name',
+        id: 'ID',
         platform: 'Platform',
         rateMultiplier: 'Rate Multiplier',
         rpmOverride: 'RPM Override',
diff --git a/frontend/src/i18n/locales/zh/admin/overview.ts b/frontend/src/i18n/locales/zh/admin/overview.ts
index 125e29cc38..e1e41bbeb7 100644
--- a/frontend/src/i18n/locales/zh/admin/overview.ts
+++ b/frontend/src/i18n/locales/zh/admin/overview.ts
@@ -750,6 +750,7 @@ export default {
         "确定要删除订阅分组 '{name}' 吗？此操作会让所有绑定此订阅的用户的 API Key 失效，并删除所有相关的订阅记录。此操作无法撤销。",
       columns: {
         name: '名称',
+        id: 'ID',
         platform: '平台',
         rateMultiplier: '费率倍数',
         rpmOverride: 'RPM 覆盖',
diff --git a/frontend/src/views/admin/GroupsView.vue b/frontend/src/views/admin/GroupsView.vue
index d7cf9dd717..81310c43af 100644
--- a/frontend/src/views/admin/GroupsView.vue
+++ b/frontend/src/views/admin/GroupsView.vue
@@ -128,6 +128,12 @@
             }}</span>
           </template>
 
+          <template #cell-id="{ value }">
+            <span class="font-mono text-xs text-gray-500 dark:text-gray-400"
+              >#{{ value }}</span
+            >
+          </template>
+
           <template #cell-platform="{ value }">
             <span
               :class="[
@@ -3612,10 +3618,19 @@ const appStore = useAppStore();
 const onboardingStore = useOnboardingStore();
 
 const ALWAYS_VISIBLE_COLUMNS = new Set(["name", "actions"]);
+// Default hidden columns (hidden on first load / after schema bumps).
+const DEFAULT_HIDDEN_COLUMNS = ["id"];
 const HIDDEN_COLUMNS_KEY = "group-hidden-columns";
+// Bump when adding new default-hidden columns so existing admins pick them up once.
+const COLUMN_SETTINGS_VERSION_KEY = "group-column-settings-version";
+const COLUMN_SETTINGS_VERSION = 2;
+const VERSION_NEW_HIDDEN_COLUMNS: Record<number, string[]> = {
+  2: ["id"],
+};
 
 const allColumns = computed<Column[]>(() => [
   { key: "name", label: t("admin.groups.columns.name"), sortable: true },
+  { key: "id", label: t("admin.groups.columns.id"), sortable: true },
   {
     key: "platform",
     label: t("admin.groups.columns.platform"),
@@ -3665,16 +3680,51 @@ const loadSavedColumns = () => {
   hiddenColumns.clear();
   try {
     const saved = localStorage.getItem(HIDDEN_COLUMNS_KEY);
-    if (!saved) return;
-    const parsed = JSON.parse(saved);
-    if (!Array.isArray(parsed)) return;
-
     const validKeys = getValidHiddenColumnKeys();
-    parsed
-      .filter((key): key is string => typeof key === "string" && validKeys.has(key))
-      .forEach((key) => hiddenColumns.add(key));
+
+    if (saved) {
+      const parsed = JSON.parse(saved);
+      if (Array.isArray(parsed)) {
+        parsed
+          .filter(
+            (key): key is string =>
+              typeof key === "string" && validKeys.has(key),
+          )
+          .forEach((key) => hiddenColumns.add(key));
+      }
+
+      // Existing admins: auto-hide columns newly added as default-hidden.
+      const storedVersion = Number(
+        localStorage.getItem(COLUMN_SETTINGS_VERSION_KEY) ?? "1",
+      );
+      if (storedVersion < COLUMN_SETTINGS_VERSION) {
+        let mutated = false;
+        for (let v = storedVersion + 1; v <= COLUMN_SETTINGS_VERSION; v++) {
+          for (const key of VERSION_NEW_HIDDEN_COLUMNS[v] ?? []) {
+            if (validKeys.has(key) && !hiddenColumns.has(key)) {
+              hiddenColumns.add(key);
+              mutated = true;
+            }
+          }
+        }
+        if (mutated) {
+          saveColumnsToStorage();
+        } else {
+          localStorage.setItem(
+            COLUMN_SETTINGS_VERSION_KEY,
+            String(COLUMN_SETTINGS_VERSION),
+          );
+        }
+      }
+    } else {
+      DEFAULT_HIDDEN_COLUMNS.forEach((key) => {
+        if (validKeys.has(key)) hiddenColumns.add(key);
+      });
+      saveColumnsToStorage();
+    }
   } catch (error) {
     console.error("Failed to load group column settings:", error);
+    DEFAULT_HIDDEN_COLUMNS.forEach((key) => hiddenColumns.add(key));
   }
 };
 
@@ -3683,6 +3733,10 @@ const saveColumnsToStorage = () => {
     const validKeys = getValidHiddenColumnKeys();
     const keys = [...hiddenColumns].filter((key) => validKeys.has(key));
     localStorage.setItem(HIDDEN_COLUMNS_KEY, JSON.stringify(keys));
+    localStorage.setItem(
+      COLUMN_SETTINGS_VERSION_KEY,
+      String(COLUMN_SETTINGS_VERSION),
+    );
   } catch (error) {
     console.error("Failed to save group column settings:", error);
   }
diff --git a/frontend/src/views/admin/__tests__/GroupsView.columnSettings.spec.ts b/frontend/src/views/admin/__tests__/GroupsView.columnSettings.spec.ts
index e634bdd5d7..3faa22898c 100644
--- a/frontend/src/views/admin/__tests__/GroupsView.columnSettings.spec.ts
+++ b/frontend/src/views/admin/__tests__/GroupsView.columnSettings.spec.ts
@@ -31,6 +31,7 @@ const {
 const messages: Record<string, string> = {
   'admin.groups.columnSettings': 'Column Settings',
   'admin.groups.columns.name': 'Name',
+  'admin.groups.columns.id': 'ID',
   'admin.groups.columns.platform': 'Platform',
   'admin.groups.columns.billingType': 'Billing Type',
   'admin.groups.columns.rateMultiplier': 'Rate Multiplier',
@@ -251,7 +252,7 @@ describe('admin GroupsView column settings', () => {
     localStorage.clear()
   })
 
-  it('renders all group columns by default in the current order', async () => {
+  it('hides the id column by default while keeping other group columns visible', async () => {
     const wrapper = await mountView()
 
     expect(columnKeys(wrapper)).toEqual([
@@ -266,6 +267,8 @@ describe('admin GroupsView column settings', () => {
       'status',
       'actions',
     ])
+    expect(localStorage.getItem('group-hidden-columns')).toBe(JSON.stringify(['id']))
+    expect(localStorage.getItem('group-column-settings-version')).toBe('2')
   })
 
   it('applies saved hidden columns on mount and ignores unknown keys', async () => {
@@ -273,6 +276,26 @@ describe('admin GroupsView column settings', () => {
       'group-hidden-columns',
       JSON.stringify(['usage', 'capacity', 'removed_column', 'name', 'actions']),
     )
+    localStorage.setItem('group-column-settings-version', '2')
+
+    const wrapper = await mountView()
+
+    expect(columnKeys(wrapper)).toEqual([
+      'name',
+      'id',
+      'platform',
+      'billing_type',
+      'rate_multiplier',
+      'is_exclusive',
+      'account_count',
+      'status',
+      'actions',
+    ])
+  })
+
+  it('auto-hides id for existing saved column prefs after version bump', async () => {
+    localStorage.setItem('group-hidden-columns', JSON.stringify(['usage']))
+    // No version key → treated as version 1, migrate to 2 and hide id.
 
     const wrapper = await mountView()
 
@@ -283,9 +306,14 @@ describe('admin GroupsView column settings', () => {
       'rate_multiplier',
       'is_exclusive',
       'account_count',
+      'capacity',
       'status',
       'actions',
     ])
+    expect(JSON.parse(localStorage.getItem('group-hidden-columns')!)).toEqual(
+      expect.arrayContaining(['usage', 'id']),
+    )
+    expect(localStorage.getItem('group-column-settings-version')).toBe('2')
   })
 
   it('toggles a column and persists hidden column keys', async () => {
@@ -305,7 +333,31 @@ describe('admin GroupsView column settings', () => {
       'status',
       'actions',
     ])
-    expect(localStorage.getItem('group-hidden-columns')).toBe(JSON.stringify(['usage']))
+    expect(JSON.parse(localStorage.getItem('group-hidden-columns')!)).toEqual(
+      expect.arrayContaining(['id', 'usage']),
+    )
+  })
+
+  it('can show the id column from column settings', async () => {
+    const wrapper = await mountView()
+
+    await openColumnSettings(wrapper)
+    await clickColumnToggle(wrapper, 'ID')
+
+    expect(columnKeys(wrapper)).toEqual([
+      'name',
+      'id',
+      'platform',
+      'billing_type',
+      'rate_multiplier',
+      'is_exclusive',
+      'account_count',
+      'capacity',
+      'usage',
+      'status',
+      'actions',
+    ])
+    expect(localStorage.getItem('group-hidden-columns')).toBe(JSON.stringify([]))
   })
 
   it('skips usage and capacity fetches until consuming columns are shown', async () => {