His niece Mary Frances Miller says he died yesterday at a hospice centre near his home in the Jacksonville area.
Madden was best known for his role as Reuben Kinkaid, who managed the family band and clashed with the precocious pre-teen bassist played by Danny Bonaduce.
Before "The Partridge Family," Madden was part of the comedy ensemble on the "Laugh-In" variety series. He later had a recurring role as a customer at Mel's Diner on the long-running sitcom "Alice."
He began show business as a nightclub comic and landed his first acting job on the short-lived sitcom "Camp Runamuck" in the mid-1960s.