King Street Jam is a 12-hour music festival featuring over 20 artists on 3 stages, along with food vendors, craft beer, nonprofit partners, and art vendors. In 2019, the inaugural King Street Jam, had 3,000 attendees flock the streets of Downtown York in the Royal Square District to attend this festival of national and local acts.

National Headliners this year include George Clinton and Parliament Funkadelic, Mýa, Oddisee & GOOD COMPNY, and Rob Base.

King Street Jam is scheduled for September 11th, 2021 in the Royal Square District in Downtown York, PA beginning at 10 am.