Amy Roloff is 57 years and 6 month(s) old. She was born in 1 Jan, 1964. Amy Roloff is famous for her TV programs, Little People and Big World two shows in which Amy and her husband Matt talk about their dwarfism. She was born on September 17, 1964 in Michigan, USA as Amy Jo Knight and was diagnosed with a type of dwarfism called achondroplasia. The couple had been married for 26 years age and got separated in 2014, having four children together.