Festivalen ble arrangert fra 25 Jun til 06 Jul 2014 (11 dag(er)).
Summerfest finner sted i Milwaukee, United States. Her er den fullstendige adressen til festivalen: 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.
De mest populære sjangrene og undersjangrene i den siste utgaven var:
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