There are around 1,500 2,200 casinos all across the US. 44 US states have some form of casino, whether commercial, tribal, or both. Nevada and New Jersey are two of the most recognized US casino tourism states.
A cardroom or card room is a gaming establishment that exclusively offers card games for play by the public. The term poker room is used to describe a dedicated room in casinos that is dedicated to playing poker and in function is similar to a card room.
A general rule of thumb is to allow approximately 30 inches of table space per player. If you typically host intimate games with a few friends, a smaller 8 player round poker table may be suitable.