WrestleMania 37 was a big success for WWE, but the attendance number was lower than announced by the company.
According to Tampa Sports Authority records (via Brandon Thurston at Wrestlenomics), night one of WrestleMania 37 was attended by 18,328 people while night two drew an attendance of 18,924 for a total of 37,252 fans across both nights.
Paid ticket sales were higher as night one drew 20,172 ticket sales and the second night sold 20,634 tickets. Before the event, WWE announced 25,000 tickets would be on-sale for both nights.
WWE announced an attendance of 25,675 people each night for a total of 51,350 fans.
Attendance revenues total $6.2 million, with Saturday selling $3.058 million in admission and Sunday hitting $3.187 million.
The average price of sold tickets for both days was $190.
You can view the Tampa Sports Authority records by signing up for the Wrestlenomics Patreon.