Joanna Kerns is a 71-year-old from San Francisco, California, U.S.. We trawled the web to determine that Joanna Kerns' height is 5ft 8 ½ (174 cm). This makes her 4.5 inches taller than the average female in the United States. Are you looking for more information about Joanna Kerns and her career? We found resources at imdb.com & tcm.com.