Rah Digga was born in New Jersey. She studied electrical engineering at the New Jersey Institute of Technology.^[1] She learned how to rap by studying the raps of KRS-One, Rakim, and Kool G Rap of the Juice Crew.^[2]

She worked with hip hop group Twice the Flavor before joining the Outsidaz,^[1] leading to a feature on the track "Cowboys" from the Fugees album The Score.^[1] She was spotted by Q-Tip at the Lyricist Lounge which led to her meeting Busta Rhymes and joining his Flipmode Squad.^[2][1] She has appeared on several Busta Rhymes albums.^[2][1] Her critically acclaimed debut album "Dirty Harriet" was released on April 4, 2000 on Flipmode/Elektra Records and is certified gold in the U.S. and platinum worldwide. She also worked with Bahamadia on the track "Be Ok" from Lyricist Lounge, Vol. 1.^[1] At that time they were the two leading women of the Lyricist Lounge movement, which also served as the home base for artists such as Mos Def, Talib Kweli, Pharaohe Monch, Common Sense, Lord Have Mercy, Foxy Brownand Shabaam Sahdeeq. In 2001 she starred in the film Thirteen Ghosts and sang the title track "Mirror Mirror" on the soundtrack. Also in 2001, she performed with Deborah Cox, Monica, Tamiaand Mýa at Michael Jackson: 30th Anniversary Celebration contributing an original rap verse to "Heal the World".

Her second album Everything Is a Story was due to be released on Clive Davis's J Records in 2004, but was shelved. Many songs from the album had leaked to the internet in an unofficial 23-track album of unreleased material, and in 2010 Rah Digga released her own version of the album, featuring additional tracks. Rah Digga released a new album, Classic, in 2010. Production was handled by Nottz, and a promo single was released entitled "This Ain't No Lil Kid Rap". Since then she has been releasing music independently through her website Rahdiggamusic.com, SoundCloud, Bandcamp and the iTunes Store. Rah is a cultural music ambassador for the US government through her non-profit "Lyrics Matter" in conjunction with the Next Level program. Digga currently co-hosts a podcast, Yanadameen Godcast, with a fellow rapper Lord Jamar and comedian, Godfrey.

Rah Digga first appeared in Da Hip Hop Witch(2000), playing a fictionalized version of herself. She was then cast in the film Thirteen Ghosts(2001) alongside Tony Shalhoub, F. Murray Abraham, Shannon Elizabeth and Matthew Lillardin her first real acting role. In the same year, she also appeared alongside Beyoncé and Joy Bryantin MTV's Carmen: A Hip Hopera (2001). In 2003 and 2009, she was featured in the documentary films Queens of Hip Hop (with Salt-N-Pepa) and Say My Name (with Erykah Badu, Jean Grae, Miz Korona, Remy Ma, and MC Lyte, among others). Additionally, Digga has appeared as a guest star on The Mo'Nique Show. Digga is a cast member of the film "Stars" (2022), Directed by Mars Roberge.

Rah Digga has been called "one of rap's most prominent women MCs" by AllMusic^[1] and "one of hip hop's most skilled female MCs" in the book How to Rap.^[2]

She was in a relationship with fellow rapper Young Zee.^[3] The couple has a daughter named Sativa, born in 1997.^[4]