The veterans in the dance sequence are all Vietnam veterans, and their real family members accompany them.
A full scale replica of the Vietnam Veterans Memorial, one of the first replicas outside Washington, D.C., was built in Mayfield, as shooting on the Mall at that time was restricted.
Of the five major characters who are Vietnam veterans, only one, Earl Smith, is played by an actual Vietnam veteran, Jim Beaver.
"In Country" (1985), the movie's source book, was the first novel written by Bobbie Ann Mason. The movie was released four years after its source novel has been published.
The doctor's office seen in the movie is actually a dry cleaners which is still operating in Mayfield, Kentucky. After the movie, the store was named "Clothes Doctor" as a result of appearing in the movie.