According to the Nielsen Media Research, "Speak Now or Forever Hold Your Piece" was watched by a total of 4.69 million people in its original American broadcast. It earned a 1.6 rating/5 share in the 18–49 demographic. It was viewed by 1.3 million people within the 18–49 demographic, and 1.3 million people in 25–54 demographic. The installment was the seventh most watched basic cable program for its air date in the 18–49 demographic. This was a slight decrease from the show's previous episode, "Spellingg Bee", which was viewed by 4.71 million viewers, or 3.35 million households. After its airing on August 14 on NBC, the episode was viewed by 4 million households, and received a 1.3 rating/4 share in the 18–49 demographic.