As of today, Rocky Marciano is no longer with us, having passed away on August 31, 1969. However, his legacy lives on as an immortal figure in the world of boxing. In terms of estimated net worth, at the time of his passing, Rocky Marciano’s estate was valued at approximately $10 million USD. His impact on boxing and sports history is immeasurable, with his name forever etched in the annals of sporting greatness.