It is played, almost exclusively, by said immigrants from the Indian subcontinent. So only in a handful of cities where there's a critical mass of them that are somewhat recently immigrated (and there is room for grounds).

"Played" as in a bunch of friends get together have a friendly game in the park on weekends or "played" as in a has an active pro league and a national teams that competes in major international tournaments?

Several (and by several I mean hundreds) leagues exist across various cities just in USA. They have properly organized tournaments and winners win prize money. Its not a bunch of friends who play in the park. These leagues have to maintain fields, proper playing gear and so on...

Here is just one example - http://www.bayareacricket.org/