diff --git a/app/dashboard/services/data_processor.py b/app/dashboard/services/data_processor.py
index a396aab..74e733a 100644
--- a/app/dashboard/services/data_processor.py
+++ b/app/dashboard/services/data_processor.py
@@ -143,8 +143,8 @@ class DataProcessor:
             monthly_data = []
 
         audience_data = self._build_audience_data(
-            raw_data.get("demographics", {}),
-            raw_data.get("region", {}),
+            raw_data.get("demographics") or {},
+            raw_data.get("region") or {},
         )
         logger.debug(
             f"[DataProcessor.process] SUCCESS - "
diff --git a/app/dashboard/services/youtube_analytics.py b/app/dashboard/services/youtube_analytics.py
index bb3bbf0..2167775 100644
--- a/app/dashboard/services/youtube_analytics.py
+++ b/app/dashboard/services/youtube_analytics.py
@@ -141,6 +141,9 @@ class YouTubeAnalyticsService:
         results = await asyncio.gather(*tasks, return_exceptions=True)
 
         # 에러 체크 (YouTubeAuthError, YouTubeQuotaExceededError는 원형 그대로 전파)
+        # demographics(index 5)는 YouTubeAPIError 시 None으로 허용 (YouTube 서버 간헐적 오류 대응)
+        OPTIONAL_INDICES = {5, 6}  # demographics, region
+        results = list(results)
         for i, result in enumerate(results):
             if isinstance(result, Exception):
                 logger.error(
@@ -148,6 +151,12 @@ class YouTubeAnalyticsService:
                 )
                 if isinstance(result, (YouTubeAuthError, YouTubeQuotaExceededError)):
                     raise result
+                if i in OPTIONAL_INDICES and isinstance(result, YouTubeAPIError):
+                    logger.warning(
+                        f"[YouTubeAnalyticsService] 선택적 API 호출 {i+1}/7 실패, None으로 처리: {result}"
+                    )
+                    results[i] = None
+                    continue
                 raise YouTubeAPIError(f"데이터 조회 실패: {result.__class__.__name__}")
 
         logger.debug(