The U.S. online gambling market size is anticipated to reach USD 22.19 billion by 2030 and is expected to expand at a CAGR of 9.8% during the forecast period, according to a new report by Grand View Research, Inc. Regulatory, technological, and demographic factors are driving the market.

One of the most significant contributors is the progressive legalization of online gambling across various states. As more jurisdictions embrace digital wagering particularly sports betting and iGaming the market is experiencing a surge in participation. This regulatory shift legitimizes the industry, fosters consumer trust, and encourages investment from major operators seeking to expand their digital footprint.

Technological advancements are also pivotal in reshaping the online gambling experience. The proliferation of mobile devices and high-speed internet has made gambling more accessible, with mobile platforms accounting for most online transactions. Innovations such as live dealer games, virtual reality environments, and AI-driven personalization are enhancing user engagement by replicating the immersive atmosphere of traditional casinos. These developments appeal to younger demographics who value convenience, interactivity, and tailored experiences.

Furthermore, shifting consumer behavior and evolving social norms contribute to the market’s expansion. Online gambling is increasingly viewed as a mainstream form of entertainment, especially among millennials and Gen Z users. The rise of esports betting and fantasy sports platforms has broadened the appeal of digital wagering beyond conventional casino games. Additionally, strategic partnerships between gambling operators and sports leagues have amplified visibility and legitimacy, drawing in new users and reinforcing brand loyalty.

Further key findings from the report suggest:

• By type, the sports betting segment accounted for a significant market share of over 24% in 2024.
• By device, the desktop segment accounted for the largest market share in 2024.
• In April 2025, Caesars Entertainment partnered with AGS, making its online casino platforms the exclusive first home for the popular Triple Coin Treasures slot series. The expansion debuted with the launch of Shamrock Fortunes across Caesars Sportsbook & Casino, Caesars Palace Online Casino, and Horseshoe Online Casino, with more titles set to follow. This collaboration focuses on bringing fan-favorite slot games and brand-new releases to online players, enriching the digital casino experience.

List of Key Players in the U.S. Online Gambling Market

• 888 Holdings PLC
• Cherry Gold Casino
• Churchill Downs
• DraftKings
• Eldorado Resorts Inc.
• FanDuel
• Flutter Entertainment
• Golden Nugget
• MGM Resorts International
• PokerStars
• Rivers Casino

Order a free sample PDF of the U.S. Online Gambling Market Intelligence Study, published by Grand View Research.