The Iowa Racing and Gaming Commission reported $22.1 million in adjusted gross sports betting revenue for August up 40%.

Overall gaming revenue in Iowa hit $151.2 million in August, up from $144.1 million in August 2024. The increase aligns with a 2.7% increase in visitors to the state’s casinos. All told, Iowa’s casinos added more than $30 million to state and local taxes as well as endowment funds from that revenue.

Separately, sports wagering saw a 40% increase in revenue in August, topping $22 million in receipts. Iowans wagered $181 million on sports in August, an 8.7% increase. The vast majority of wagers were placed in online sportsbooks. That added $1.48 million to state tax revenue

In Eastern Iowa, Waterloo’s Isle Casino drove much of that growth with revenues jumping $2.2 million, or 31.9%, from August 2024 revenue. Diamond Jo in Dubuque saw its revenue rise 7.6% and Q Casino in Dubuque saw its revenue rise 12.8%.