Peter Rono currently lives in New Jersey, USA where he is employed by the sales and marketing department of the shoe manufacturer New Balance. He is married to Mary Kirui, a runner who won 10,000 metres bronze medal at the 1987 All-Africa Games held in Nairobi, Kenya. They have five kids, Irene Rono, Winnie Rono, Patrick Rono, Cynthia Rono and Nosheena Kurui. Their son Patrick Rono is a senior for University of Arkansas. Their daughter Irene is also runner.