Figures by the American Gaming Association (AGA) showed that sports betting operators generated a total of $119.4m in GGR for August, the second highest grossing month since the vertical was legalised in 2018.
August also saw the largest monthly handle in US sports betting history, with players wagering $2.1bn, representing a 175% yearly rise.
These figures were boosted by a crowded sports calendar, which saw the National Basketball Association (NBA) and National Hockey League (NHL) resume and Major League Baseball (MLB) continue.
New Jersey saw the most sports betting handle with $668m, up 128% from 2019 and the largest monthly handle ever recorded in any state.
Online gaming GGR for August increased by 224% from 2019, up to $145.3m.
While overall gaming revenue for August increased 6% month-on-month to $3bn, representing the fourth consecutive month of increased revenue for the US market, GGR was down 20% compared to last year. The result of the coronavirus pandemic impact on the land-based sector saw slot game GGR decrease 22% down to $1.9bn and table game GGR fall 29%, to $528.7m.
In terms of year-to-date, national sports betting revenue was up 32% from last year at $517.7m, while online gaming GGR rose 203% to $923.1m. But a 42% fall in slot game GGR to $11.14bn and a 44% decrease in table game revenue to $3.14bn, saw total US gaming GGR decrease 40% from 2019, down to $17.54bn.