Grace Slick is a 85-year-old from Highland Park, Illinois, U.S.. We trawled the web to determine that Grace Slick's height is 5ft 7 (170.2 cm). This makes her 3.0 inches taller than the average female in the United States. Are you looking for more information about Grace Slick and her career? We found resources at imdb.com, washingtonpost.com & unt.edu.