Pennsylvania was also early to the online gambling scene. 17, 2023, show Atlantic City casinos casinos matched their all-time high of $5.2 billion in total gambling revenue in 2022, although only half of that was won from in-person gamblers physically present at casinos. Figures released by New Jersey gambling regulators on Tuesday, Jan. A dealer conducts a card game at the Ocean Casino Resort in Atlantic City, N.J., on Dec.