Festival dijadwalkan dari 26 Jun hingga 07 Jul 2019 (11 hari).
Summerfest berlangsung di Milwaukee, United States. Berikut adalah alamat lengkap festival: Henry Maier Festival Park; Milwaukee, Wisconsin, United States
Billie Eilish, Yungblud, The Killers, Zac Brown Band, Thomas Rhett, Skillet, Kane Brown, Jason Aldean, Lizzo, Bon Iver, A Boogie Wit da Hoodie, Snoop Dogg, Styx, Foreigner, August Burns Red, Brandi Carlile, Cole Swindell, Lionel Richie, Jimmy Eat World, Riley Green.
Genre dan sub-genre yang paling populer dari edisi sebelumnya adalah:
rock
pop
country
alternative
alternative rock
indie
indie rock
pop rock
rnb
acoustic
classic rock
blues rock
folk rock
hard rock
indie pop
americana
emo
punk rock
indie folk