According to SportsBettingDime, the seven legal U.S. iGaming states generated $1.03 billion in gross gaming revenue in May, the fifth time in six months the sector cleared the $1 billion mark. Revenue rose 14.7% from May 2025 and 2.4% from April.
The outlet said year-over-year growth has slowed from the end of 2025. May was the second straight month that the year-over-year increase was under $132 million, even as revenue reached $5.04 billion through five months and remained on pace to top $12 billion for the year. It also noted that some states report adjusted gross revenue, while its table uses gross gaming revenue before promotional spending is deducted.
Michigan remained the strongest of the big three markets and has stayed above 20% year-over-year growth throughout 2026, with SportsBettingDime saying Hard Rock Casino and bet365 Casino have helped sustain the pace. The Michigan Gaming Control Board said commercial and tribal operators reported $382.5 million in combined iGaming and online sports betting gross receipts in May, up 3.1% from April.
Michigan’s adjusted gross receipts totaled $316.72 million, including $293.45 million from iGaming and $23.27 million from online sports betting. iGaming AGR rose 24.2% from a year earlier, while online sports betting AGR fell 34.6%; online sports betting handle was $457.6 million and 15 operators were authorized in the state as of May.
In Pennsylvania, the Gaming Control Board said total gaming revenue, including fantasy contests, reached $625,467,775 in May, the highest monthly amount to date for the types of gaming it regulates. Online casino games generated $254,825,042, with slots at $202,477,014, tables at $49,864,055 and poker at $2,483,973; statewide tax revenue totaled $269,949,950, and taxable sports wagering revenue fell 11.4% to $52,642,686.
Six of the seven legal iGaming states posted year-over-year gains of at least 10% in May, and Connecticut was the only state below that threshold, at 4.3%.