State Of The U.S. Industry
There were 1,548 timeshare resorts in the United States in 2012, representing approximately 194,200 units for an average resort size of 125 units. Of these, 6% were studio units; 21% were one-bedroom units; 64% were two-bedroom units; and 9% offered three or more bedrooms. There were 8.4 million intervals owned.
The complete ARDA fact sheet can be downloaded here.