diff --git a/esphome/components/text_sensor/text_sensor.cpp b/esphome/components/text_sensor/text_sensor.cpp
index 65d7b1f0be..722d2edc3b 100644
--- a/esphome/components/text_sensor/text_sensor.cpp
+++ b/esphome/components/text_sensor/text_sensor.cpp
@@ -25,7 +25,11 @@ void log_text_sensor(const char *tag, const char *prefix, const char *type, Text
 }
 
 void TextSensor::publish_state(const std::string &state) {
-  this->raw_state = state;
+  // Only store raw_state_ separately when filters exist
+  // When no filters, raw_state == state, so we avoid the duplicate storage
+  if (this->filter_list_ != nullptr) {
+    this->raw_state_ = state;
+  }
 
   // Call raw callbacks (before filters)
   this->callbacks_.call_first(this->raw_count_, state);
@@ -78,7 +82,11 @@ void TextSensor::add_on_raw_state_callback(std::function<void(std::string)> call
 }
 
 std::string TextSensor::get_state() const { return this->state; }
-std::string TextSensor::get_raw_state() const { return this->raw_state; }
+std::string TextSensor::get_raw_state() const {
+  // When no filters exist, raw_state == state, so return state to avoid
+  // requiring separate storage
+  return this->filter_list_ != nullptr ? this->raw_state_ : this->state;
+}
 void TextSensor::internal_send_state_to_frontend(const std::string &state) {
   this->state = state;
   this->set_has_state(true);
diff --git a/esphome/components/text_sensor/text_sensor.h b/esphome/components/text_sensor/text_sensor.h
index 1f4f3170e0..ac11fe4b52 100644
--- a/esphome/components/text_sensor/text_sensor.h
+++ b/esphome/components/text_sensor/text_sensor.h
@@ -50,7 +50,6 @@ class TextSensor : public EntityBase, public EntityBase_DeviceClass {
   void add_on_raw_state_callback(std::function<void(std::string)> callback);
 
   std::string state;
-  std::string raw_state;
 
   // ========== INTERNAL METHODS ==========
   // (In most use cases you won't need these)
@@ -62,6 +61,10 @@ class TextSensor : public EntityBase, public EntityBase_DeviceClass {
 
   Filter *filter_list_{nullptr};  ///< Store all active filters.
 
+  /// Raw state (before filters). Only populated when filters are configured.
+  /// When no filters exist, get_raw_state() returns state directly.
+  std::string raw_state_;
+
   uint8_t raw_count_{0};  ///< Number of raw callbacks (partition point in callbacks_ vector)
 };