Home › Venues › Allentown Fairgrounds Allentown Fairgrounds Events See the Allentown Fairgrounds concert calendar. Allentown Fairgrounds is a 10,000 person capacity venue in Allentown, PA. Hotels & Lodging Near Allentown Fairgrounds 302 N 17th St, Allentown, PA 18104, United States Get Directions Directions Edit Venue Allentown Fairgrounds At-a-GlanceCapacity 10,000Address 302 N 17th StAllentown, PA 18104United States LinksOfficial SiteAdvertisement Add to My Venues Edit Venue Share this Venue ShareTweetEmail