Armstrong was born near Wapakoneta, Ohio, on August 5, 1930, the son of Viola Louise (née Engel) and Stephen Koenig Armstrong. He was of German, Scots-Irish, and Scottish descent. He had a younger sister, June, and a younger brother, Dean. His father was an auditor for the Ohio state government, and the family moved around the state repeatedly, living in 16 towns over the next 14 years. Armstrong's love for flying grew during this time, having started at the age of two when his father took him to the Cleveland Air Races. When he was five or six, he experienced his first airplane flight in Warren, Ohio, when he and his father took a ride in a Ford Trimotor (also known as the "Tin Goose").