Hamzah's soccer team is trying to raise $620 to travel to a tournament in Florida, so they decided to host a pancake breakfast. Each person must pay $20 for the breakfast. How many people need to attend their breakfast in order to raise $620?

To find the number of people needed to attend the breakfast, we can divide the total amount they need to raise by the cost per person:

$620 / $20 = <<620/20=31>>31

Therefore, 31 people need to attend the breakfast to raise $620. Answer: \boxed{31}.