Total revenue for the month amounted to $3.7m (£2.7m/€3.1m), up from $3.3m in January 2020 and also 48.8% higher than the $2.5m recorded in December last year.
Mobile betting accounted for $2.1m of all revenue in the month, while land-based revenue, split between the Twin River Casino and Tiverton Casino, amounted to $1.6m.
Players wagered a record $39.8m on sports during the month, up 48.0% year-on-year and also 74.6% more than in December 2020.
Some $21.9m was wagered on mobile in January, compared to $17.9m at the two land-based sportsbooks at the Twin River Casino and Tiverton Casino.