Festival dijadwalkan dari 04 Agu hingga 06 Agu 2006 (2 hari).
Lollapalooza Chicago berlangsung di Chicago, United States. Berikut adalah alamat lengkap festival: GRANT PARK – CHICAGO, IL
Red Hot Chili Peppers, Blue October, Panic! at the Disco, Coheed and Cambria, Death Cab for Cutie, Queens of the Stone Age, Kanye West, Thirty Seconds to Mars, Manu Chao, Editors.
Genre dan sub-genre yang paling populer dari edisi sebelumnya adalah:
rock
pop
electronic
indie
alternative
indie rock
alternative rock
indie pop
emo
experimental
electronica
acoustic
folk rock
lo-fi
psychedelic
punk rock
dance
post-punk
garage rock