US Online Casinos Hit New Milestone For May

The online casino landscape in the United States has seen a rise in revenue, with May 2025 marking a milestone, the total gross revenue from online casinos across seven states reached $898 million, leading to $175.1 million in state tax revenue. This is a 33.1% increase compared to the same month in the previous year.

The US online gambling sector has been on an upward trajectory, and the figures from May 2025 reflect this. The adjusted gross revenue (AGR) for the month stood at $815.5 million, this growth is not just a one-off occurrence; it represents a broader trend in the US online gaming industry, which has been steadily gaining traction since the legalization of online casinos in various states.

Year-Over-Year Comparisons

• May 2024: Gross revenue was reported at $674.9 million.
• May 2025: The figure surged to $898.1 million, marking a 33.1% increase.

This year-over-year growth is a testament to the increasing acceptance and integration of online casinos into the mainstream entertainment landscape.

The revenue generated from online casinos varies significantly from state to state. Here’s a closer look at how individual states performed in May 2025:

Pennsylvania

Pennsylvania emerged as the leader in online casino revenue, generating $289 million in May. This figure represents a 34.9% increase from the previous year, making it the second-highest monthly total in the state’s history. Notably, Pennsylvania is the only state to have surpassed $1 billion in iCasino revenue for the year so far.

Michigan

Following closely, Michigan reported $251.5 million in gross revenue, reflecting a 26.6% year-over-year increase. The state’s AGR also saw a rise of 32.2%, attributed to a recent adjustment in tax regulations that increased the taxable gross revenue for most operators.

New Jersey

New Jersey, a long-standing player in the online gambling market, recorded $246.8 million in May, marking a 28.5% increase from the previous year. Notably, FanDuel Casino set a new record for individual operator revenue in the state, reaching $54.4 million.

Connecticut

Connecticut’s online casinos generated a monthly high of $61.3 million, a 32.2% increase from May 2024. FanDuel made headlines by surpassing $30 million in monthly revenue for the first time, although DraftKings maintained a narrow lead in the market.

Delaware and West Virginia

Delaware’s BetRivers reported $10.4 million, exceeding its previous record, while West Virginia saw a remarkable 103.7% year-over-year increase, bringing its revenue to $34.3 million.

Rhode Island

Rhode Island’s Bally’s operation generated $4.8 million in May, with a notable increase in its revenue drop, reflecting a 110.1% rise compared to the previous year.

For the first five months of 2025, online casinos across these states have collectively amassed $4.25 billion in gross revenue. This figure has resulted in total state tax collections of $824.9 million. These figures do not include local taxes or payments to tribal jurisdictions.