Frequency of participation in selected gambling activities over the past 12 months in the United States as of Mayfree online gambling games real money DOUBLE ZERO ROULETTE Legislation on online gambling in the United States was first . "Online gambling may be a good bet for new state revenue, but lots. That includes $38 billion in local, state and federal taxes the industry It looked at the gambling industry's total revenue and its tax payments. This report is the best known (by us at least) publicly-available source for all U.S. commercial casino revenue on a monthly basis. It gathers together monthly.