Karen was living in New York City at the time of her audition. She auditioned for the show via MySpace.
Karen auditioned in Los Angeles, California after being accepted to American Idol through a MySpace audition. Karen was sent to Hollywood and then was put through to the Top 13. During the Top 13, she sang "I Could Fall in Love" by Selena and was put in the bottom three along with Ashthon Jones, who was eliminated that round, and Haley Reinhart, who would finish third in season 10. She was safe and was put through to the Top 12. During the Top 12, she sang "Love Will Lead You Back" by Taylor Dayne and was eliminated during the results show. She finished 12th place out of all.
|Episode||Theme||Song choice||Original artist||Order #||Result|
|Audition||Auditioner's Choice||"You Give Good Love"||Whitney Houston||N/A||Advanced|
|Hollywood||First Solo||"If You Had My Love"||Jennifer Lopez||N/A||Advanced|
|Hollywood||Group Performance||"Just the Way You Are"||Bruno Mars||N/A||Advanced|
|Hollywood||Second Solo||"No me queda mas"||Selena||N/A||Advanced|
|Las Vegas Round||Songs of The Beatles Group Performance||Not aired||N/A||N/A||Advanced|
|Hollywood Round Final||Final Solo||Not aired||N/A||N/A||Advanced|
|Top 24 (12 Females)||Personal Choice||Not aired||N/A||N/A||Advanced|
|Top 13||Your Personal Idol||"I Could Fall in Love"||Selena||11||Safe|
|Top 12||Year You Were Born||"Love Will Lead You Back"||Taylor Dayne||7||Eliminated|
Rodriguez was one of the two eliminated finalists that did not get to take part in the American Idols LIVE! Tour 2011.
|Scotty McCreery · Lauren Alaina · Haley Reinhart · James Durbin · Jacob Lusk · Casey Abrams · Stefano Langone · Paul McDonald · Pia Toscano · Naima Adedapo · Thia Megia · Karen Rodriguez · Ashthon Jones|