diff --git a/homeassistant/components/demo/__init__.py b/homeassistant/components/demo/__init__.py
index 45ce061fb1d..7ed989903e5 100644
--- a/homeassistant/components/demo/__init__.py
+++ b/homeassistant/components/demo/__init__.py
@@ -260,7 +260,7 @@ async def _insert_sum_statistics(
     start: datetime.datetime,
     end: datetime.datetime,
     max_diff: float,
-):
+) -> None:
     statistics: list[StatisticData] = []
     now = start
     sum_ = 0.0
diff --git a/homeassistant/components/demo/image_processing.py b/homeassistant/components/demo/image_processing.py
index 6ba498114a4..5d158db46ab 100644
--- a/homeassistant/components/demo/image_processing.py
+++ b/homeassistant/components/demo/image_processing.py
@@ -3,10 +3,7 @@ from __future__ import annotations
 
 from homeassistant.components.camera import Image
 from homeassistant.components.image_processing import (
-    ATTR_AGE,
-    ATTR_CONFIDENCE,
-    ATTR_GENDER,
-    ATTR_NAME,
+    FaceInformation,
     ImageProcessingFaceEntity,
 )
 from homeassistant.components.openalpr_local.image_processing import (
@@ -87,14 +84,14 @@ class DemoImageProcessingFace(ImageProcessingFaceEntity):
     def process_image(self, image: Image) -> None:
         """Process image."""
         demo_data = [
-            {
-                ATTR_CONFIDENCE: 98.34,
-                ATTR_NAME: "Hans",
-                ATTR_AGE: 16.0,
-                ATTR_GENDER: "male",
-            },
-            {ATTR_NAME: "Helena", ATTR_AGE: 28.0, ATTR_GENDER: "female"},
-            {ATTR_CONFIDENCE: 62.53, ATTR_NAME: "Luna"},
+            FaceInformation(
+                confidence=98.34,
+                name="Hans",
+                age=16.0,
+                gender="male",
+            ),
+            FaceInformation(name="Helena", age=28.0, gender="female"),
+            FaceInformation(confidence=62.53, name="Luna"),
         ]
 
         self.process_faces(demo_data, 4)
diff --git a/homeassistant/components/image_processing/__init__.py b/homeassistant/components/image_processing/__init__.py
index 5c932826197..115d32c5d5b 100644
--- a/homeassistant/components/image_processing/__init__.py
+++ b/homeassistant/components/image_processing/__init__.py
@@ -2,7 +2,7 @@
 import asyncio
 from datetime import timedelta
 import logging
-from typing import final
+from typing import Final, TypedDict, final
 
 import voluptuous as vol
 
@@ -40,7 +40,7 @@ SERVICE_SCAN = "scan"
 EVENT_DETECT_FACE = "image_processing.detect_face"
 
 ATTR_AGE = "age"
-ATTR_CONFIDENCE = "confidence"
+ATTR_CONFIDENCE: Final = "confidence"
 ATTR_FACES = "faces"
 ATTR_GENDER = "gender"
 ATTR_GLASSES = "glasses"
@@ -70,6 +70,18 @@ PLATFORM_SCHEMA = cv.PLATFORM_SCHEMA.extend(
 PLATFORM_SCHEMA_BASE = cv.PLATFORM_SCHEMA_BASE.extend(PLATFORM_SCHEMA.schema)
 
 
+class FaceInformation(TypedDict, total=False):
+    """Face information."""
+
+    confidence: float
+    name: str
+    age: float
+    gender: str
+    motion: str
+    glasses: str
+    entity_id: str
+
+
 async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
     """Set up the image processing."""
     component = EntityComponent(_LOGGER, DOMAIN, hass, SCAN_INTERVAL)
@@ -142,9 +154,9 @@ class ImageProcessingEntity(Entity):
 class ImageProcessingFaceEntity(ImageProcessingEntity):
     """Base entity class for face image processing."""
 
-    def __init__(self):
+    def __init__(self) -> None:
         """Initialize base face identify/verify entity."""
-        self.faces = []
+        self.faces: list[FaceInformation] = []
         self.total_faces = 0
 
     @property
@@ -182,14 +194,14 @@ class ImageProcessingFaceEntity(ImageProcessingEntity):
         """Return device specific state attributes."""
         return {ATTR_FACES: self.faces, ATTR_TOTAL_FACES: self.total_faces}
 
-    def process_faces(self, faces, total):
+    def process_faces(self, faces: list[FaceInformation], total: int) -> None:
         """Send event with detected faces and store data."""
         run_callback_threadsafe(
             self.hass.loop, self.async_process_faces, faces, total
         ).result()
 
     @callback
-    def async_process_faces(self, faces, total):
+    def async_process_faces(self, faces: list[FaceInformation], total: int) -> None:
         """Send event with detected faces and store data.
 
         known are a dict in follow format:
diff --git a/homeassistant/components/mailbox/__init__.py b/homeassistant/components/mailbox/__init__.py
index 89b646beee4..b6a727083c9 100644
--- a/homeassistant/components/mailbox/__init__.py
+++ b/homeassistant/components/mailbox/__init__.py
@@ -144,13 +144,13 @@ class MailboxEntity(Entity):
 class Mailbox:
     """Represent a mailbox device."""
 
-    def __init__(self, hass, name):
+    def __init__(self, hass: HomeAssistant, name: str) -> None:
         """Initialize mailbox object."""
         self.hass = hass
         self.name = name
 
     @callback
-    def async_update(self):
+    def async_update(self) -> None:
         """Send event notification of updated mailbox."""
         self.hass.bus.async_fire(EVENT)
 
diff --git a/homeassistant/components/openalpr_local/image_processing.py b/homeassistant/components/openalpr_local/image_processing.py
index ef8c942189f..a2c0bc99287 100644
--- a/homeassistant/components/openalpr_local/image_processing.py
+++ b/homeassistant/components/openalpr_local/image_processing.py
@@ -102,9 +102,9 @@ async def async_setup_platform(
 class ImageProcessingAlprEntity(ImageProcessingEntity):
     """Base entity class for ALPR image processing."""
 
-    def __init__(self):
+    def __init__(self) -> None:
         """Initialize base ALPR entity."""
-        self.plates = {}
+        self.plates: dict[str, float] = {}
         self.vehicles = 0
 
     @property
@@ -130,18 +130,18 @@ class ImageProcessingAlprEntity(ImageProcessingEntity):
         """Return device specific state attributes."""
         return {ATTR_PLATES: self.plates, ATTR_VEHICLES: self.vehicles}
 
-    def process_plates(self, plates, vehicles):
+    def process_plates(self, plates: dict[str, float], vehicles: int) -> None:
         """Send event with new plates and store data."""
         run_callback_threadsafe(
             self.hass.loop, self.async_process_plates, plates, vehicles
         ).result()
 
     @callback
-    def async_process_plates(self, plates, vehicles):
+    def async_process_plates(self, plates: dict[str, float], vehicles: int) -> None:
         """Send event with new plates and store data.
 
         plates are a dict in follow format:
-          { 'plate': confidence }
+          { '<plate>': confidence }
 
         This method must be run in the event loop.
         """