Festival dijadwalkan dari 25 Jun hingga 06 Jul 2014 (11 hari).
Summerfest berlangsung di Milwaukee, United States. Berikut adalah alamat lengkap festival: Henry Maier Festival Park; Milwaukee, Wisconsin, United States
Arctic Monkeys, Bruno Mars, OneRepublic, Lady Gaga, Zac Brown Band, Mötley Crüe, Five Finger Death Punch, Fall Out Boy, The Neighbourhood, Luke Bryan, Pentatonix, Paramore, Lizzo, Alice Cooper, The Chainsmokers, Rise Against, Tove Lo, Usher, Cole Swindell, Third Eye Blind.
Genre dan sub-genre yang paling populer dari edisi sebelumnya adalah:
rock
pop
hip hop
alternative
alternative rock
indie
indie rock
hard rock
indie pop
classic rock
pop rock
rnb
acoustic
blues rock
punk rock
dance
emo
southern rock
country rock