Devon worked for Vivid for three years (1998-2001). Her first release for Vivid was Country Comfort. After her Vivid contract, Devon signed with Digital Playground. In 2004, Devon appeared in the first WMV-HD DVD porn movie ever made, Island Fever 3, filmed on Tahiti and Bora Bora. In 2005, she co-starred in the adult film Pirates.

From 2001 to 2003 she was engaged to fellow pornographic actor Barrett Blade, who had managed her career from behind the scenes before working professionally onscreen with her. She describes their break-up as "difficult" and a contributing reason for her hiatus from the industry during the subsequent period. In 2005, she was dating Chinese-American Entrepreneur, Danny Ting, a former Arthur Andersen consultant and founder of WantedList, a website that strives to be the "Netflix of the porn industry" and was named Adult Video News' Best Online Retailer for 2005. In an interview in Wired, Ting said of his relationship with Devon: "Girls who turn their nose up at us when we tell them what we do, they wouldn't be that much fun to hang out with anyway." She suffers from mild acrophobia. She believes being active in the sex industry has given her more confidence, making her more "outgoing and aggressive" about what she wants. She says she never watches her own films because she is too critical of herself, the only exception being the times when she has to do commentary for her own work. She has four cats names Bouses, Bruiser, Russian and Seven, and Devon describes herself as being "cute, honest and humorous". She has stated that the main difference between her industry persona and her real life persona as her industry persona being more outgoing and flirtatious. She describes herself as irreligious.

Devon appeared in the episode "Millennium" (Season 1, Episode 19) of The Man Show in 1999. Devon appeared, alongside fellow Digital Playground contract performers Jesse Jane and Teagan Presley, in an episode titled "I Love You Too" from the HBO series Entourage, which aired on July 31, 2005.

By January 2006, she signed with a new company, Ecstasy Mobile. In March 2006, she signed with Black Kat Productions, which never produced any films with Devon. Devon then formed her own production company. In October 2006, she signed a contract with Shane's World to appear in films and direct film scenes for the company. She made her directorial debut for Shane's World in April 2007 with the title Devon Does Baja. She claims she is personally most proud of Virtual Sex with Devon (2001), recollecting that she spend more work filming that title than most other titles.

In 2010, Devon was inducted into the Adult Video News Hall of Fame.