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US commercial gaming revenue reached $78.72 billion in 2025. On the surface, that number suggests an industry moving confidently in one direction: upwards. It is an impressive milestone, but it also hides a more complicated story. Commercial gaming is not a single market, and its major segments are not growing at the same speed, under the same conditions, or for the same reasons.
Physical casinos still generate a substantial share of overall revenue, supported by established properties, tourism, entertainment, and regional customer bases. However, their performance can vary considerably between states and operators. Sports betting has expanded its national footprint, bringing new customers and vast wagering volumes into the regulated market, but margins remain relatively narrow and promotional costs can affect profitability. iGaming presents a different picture. Where regulated, online casino gaming can deliver strong revenue without depending on physical footfall, making it one of the industry’s most closely watched growth areas.
Separating these segments changes the conversation. Instead of asking whether US gaming is growing, the more revealing question is where that growth is coming from, what is driving it, and whether the current momentum can continue.
Is $78.7 Billion Really One Success Story?
Start with the largest category. Traditional casino gaming generated $50.94 billion in revenue. That should settle the argument, right? Not quite. Physical casinos grew by only 2.3 percent. They remain the industry’s foundation, not its fastest-moving component.
A mature segment can generate enormous revenue while growing slowly. Casinos benefit from decades of investment, established destinations and demand for in-person experiences. Their hotels, restaurants, entertainment venues, and gaming floors create something an app cannot reproduce. Yet scale is not acceleration.
The digital segments are smaller, but tell a different story. Sports betting revenue climbed 22.8 percent to $16.96 billion. iGaming increased 27.6 percent to $10.74 billion. Physical casinos win on revenue. iGaming wins on growth. That difference is crucial for investors, regulators, and consumers because a record total says little about which products are reshaping habits and driving the next growth phase.
Why Is iGaming Moving Faster?
Convenience is the obvious answer but deserves scrutiny. In states where regulated iGaming is available, a customer does not need to travel or plan a casino visit. A phone turns almost any private setting into an access point.
That accessibility has also intensified competition, with operators competing on game selection, bonuses, payment methods and the overall user experience. For players, comparing these differences has become part of choosing where to play. Resources such as Casino.org's guide to finding a casino online bring together information on available platforms, including their games, withdrawal procedures and promotional conditions.
But convenience and competition are only part of the explanation. iGaming's growth also needs to be considered alongside the number of states where it is legal and the performance of markets that have already been operating for several years. Growth in established markets would suggest existing operators are generating more revenue, while the launch of a new regulated market can increase the national total by introducing an entirely new source of revenue.
Is Sports Betting Growth Quite What It Seems?
Sports betting had an undeniably strong year. Americans wagered $166.94 billion, while sportsbook revenue rose considerably faster than the total amount wagered. That gap deserves attention because revenue growth is not simply a measure of how many people are betting. It also reflects how effectively operators retain money from wagers.
Sportsbooks benefit from a sporting calendar that continually produces reasons to return. The NFL hands attention to college football, basketball, baseball, and major international events. Operators can maintain engagement through new markets and personalized promotions. Where state law allows, they can also direct bettors toward online casino products.
Is that consumer convenience or calculated cross-selling? It can be both. One account makes movement between products simple, but simplicity can also reduce the pause that might otherwise occur before gambling again. Growth deserves analysis alongside safeguards, particularly when customers receive repeated prompts to move from a time-limited sporting event toward casino games that are always available.
Physical Casinos Still Control the Market
Digital growth does not mean physical casinos are disappearing. Their $50.94 billion contribution represents almost two-thirds of total commercial gaming revenue. Even modest growth on that base adds substantial value, and resort casinos occupy a broader role in entertainment.
The difference is particularly clear when looking at absolute revenue growth rather than percentages alone. A 2.3% increase on the much larger physical casino market still represents substantial additional revenue. iGaming's percentage growth is considerably higher, but its smaller starting point means the two figures should not be treated as interchangeable.
So, What Is Actually Growing Fastest?
The direct answer is iGaming. Its 27.6% increase exceeded sports betting and dramatically outpaced physical casino growth. However, that does not make it the largest or most widely available segment.
The $78.7 billion headline describes a record industry, but it should not end the discussion. US gambling is not one market moving in one direction. It is several markets developing at different speeds, under different laws, and through different consumer experiences. The real story is not simply that gambling grew. It is that digital casino gaming is increasingly responsible for pushing that growth forward.
- B.E. Delmer, Gambling911.com
