diff --git a/moto/cognitoidentity/models.py b/moto/cognitoidentity/models.py
index 2558e4ba0..90ad00c71 100644
--- a/moto/cognitoidentity/models.py
+++ b/moto/cognitoidentity/models.py
@@ -29,6 +29,8 @@ class CognitoIdentity(BaseModel):
         self.identity_pool_id = get_random_identity_id(region)
         self.creation_time = datetime.datetime.utcnow()
 
+        self.tags = kwargs.get("tags") or {}
+
     def to_json(self):
         return json.dumps(
             {
@@ -68,7 +70,7 @@ class CognitoIdentityBackend(BaseBackend):
                 "DeveloperProviderName": identity_pool.developer_provider_name,
                 "IdentityPoolId": identity_pool.identity_pool_id,
                 "IdentityPoolName": identity_pool.identity_pool_name,
-                "IdentityPoolTags": {},  # TODO: add tags
+                "IdentityPoolTags": identity_pool.tags,
                 "OpenIdConnectProviderARNs": identity_pool.open_id_connect_provider_arns,
                 "SamlProviderARNs": identity_pool.saml_provider_arns,
                 "SupportedLoginProviders": identity_pool.supported_login_providers,
@@ -86,6 +88,7 @@ class CognitoIdentityBackend(BaseBackend):
         open_id_connect_provider_arns,
         cognito_identity_providers,
         saml_provider_arns,
+        tags=None,
     ):
         new_identity = CognitoIdentity(
             self.region,
@@ -96,6 +99,7 @@ class CognitoIdentityBackend(BaseBackend):
             open_id_connect_provider_arns=open_id_connect_provider_arns,
             cognito_identity_providers=cognito_identity_providers,
             saml_provider_arns=saml_provider_arns,
+            tags=tags,
         )
         self.identity_pools[new_identity.identity_pool_id] = new_identity
 
@@ -113,7 +117,7 @@ class CognitoIdentityBackend(BaseBackend):
         provider_arns,
         identity_providers,
         saml_providers,
-        pool_tags,
+        tags=None,
     ):
         pool = self.identity_pools[identity_pool_id]
         pool.identity_pool_name = pool.identity_pool_name or identity_pool_name
@@ -129,6 +133,8 @@ class CognitoIdentityBackend(BaseBackend):
             pool.cognito_identity_providers = identity_providers
         if saml_providers is not None:
             pool.saml_provider_arns = saml_providers
+        if tags:
+            pool.tags = tags
 
         response = pool.to_json()
         return response
diff --git a/moto/cognitoidentity/responses.py b/moto/cognitoidentity/responses.py
index 7687f7ec9..7571027c7 100644
--- a/moto/cognitoidentity/responses.py
+++ b/moto/cognitoidentity/responses.py
@@ -16,6 +16,7 @@ class CognitoIdentityResponse(BaseResponse):
         open_id_connect_provider_arns = self._get_param("OpenIdConnectProviderARNs")
         cognito_identity_providers = self._get_param("CognitoIdentityProviders")
         saml_provider_arns = self._get_param("SamlProviderARNs")
+        pool_tags = self._get_param("IdentityPoolTags")
 
         return cognitoidentity_backends[self.region].create_identity_pool(
             identity_pool_name=identity_pool_name,
@@ -25,6 +26,7 @@ class CognitoIdentityResponse(BaseResponse):
             open_id_connect_provider_arns=open_id_connect_provider_arns,
             cognito_identity_providers=cognito_identity_providers,
             saml_provider_arns=saml_provider_arns,
+            tags=pool_tags,
         )
 
     def update_identity_pool(self):
@@ -34,10 +36,10 @@ class CognitoIdentityResponse(BaseResponse):
         allow_classic = self._get_bool_param("AllowClassicFlow")
         login_providers = self._get_param("SupportedLoginProviders")
         provider_name = self._get_param("DeveloperProviderName")
-        provider_arns = self._get_multi_param("OpenIdConnectProviderARNs")
-        identity_providers = self._get_multi_param_dict("CognitoIdentityProviders")
-        saml_providers = self._get_multi_param("SamlProviderARNs")
-        pool_tags = self._get_multi_param_dict("IdentityPoolTags")
+        provider_arns = self._get_param("OpenIdConnectProviderARNs")
+        identity_providers = self._get_param("CognitoIdentityProviders")
+        saml_providers = self._get_param("SamlProviderARNs")
+        pool_tags = self._get_param("IdentityPoolTags")
 
         return cognitoidentity_backends[self.region].update_identity_pool(
             identity_pool_id=pool_id,
@@ -49,7 +51,7 @@ class CognitoIdentityResponse(BaseResponse):
             provider_arns=provider_arns,
             identity_providers=identity_providers,
             saml_providers=saml_providers,
-            pool_tags=pool_tags,
+            tags=pool_tags,
         )
 
     def get_id(self):