diff --git a/esphome/components/nextion/nextion.cpp b/esphome/components/nextion/nextion.cpp
index 0134595050ee..92afdfe3dcd9 100644
--- a/esphome/components/nextion/nextion.cpp
+++ b/esphome/components/nextion/nextion.cpp
@@ -93,7 +93,8 @@ bool Nextion::check_connect_() {
     connect_info.push_back(response.substr(start, end - start));
   }
 
-  if (connect_info.size() == 7) {
+  this->is_detected_ = (connect_info.size() == 7);
+  if (this->is_detected_) {
     ESP_LOGN(TAG, "Received connect_info %zu", connect_info.size());
 
     this->device_model_ = connect_info[2];
diff --git a/esphome/components/nextion/nextion_base.h b/esphome/components/nextion/nextion_base.h
index a24fd7406081..ffc431ed139f 100644
--- a/esphome/components/nextion/nextion_base.h
+++ b/esphome/components/nextion/nextion_base.h
@@ -48,10 +48,12 @@ class NextionBase {
 
   bool is_sleeping() { return this->is_sleeping_; }
   bool is_setup() { return this->is_setup_; }
+  bool is_detected() { return this->is_detected_; }
 
  protected:
   bool is_setup_ = false;
   bool is_sleeping_ = false;
+  bool is_detected_ = false;
 };
 
 }  // namespace nextion