Courtney has two older sisters, Ashley and Brittany. She also has an older half-sister, Adria. Force attended Esperanza High School in Anaheim, CA, where she was a cheerleader. In 2009, she participated in the Ford Fiesta movement and won the Internet's most popular agent award. She is married to IndyCar racer Graham Rahal, who is the son of 1986 Indianapolis 500 winner Bobby Rahal. In May 2020, the pair announced they were expecting their first child; in November she gave birth to a daughter, Harlan Ann Rahal.