Revenue for the full year amounted to $10.6m, up from $8.4m in the previous 12 months and a new annual record for the state.
Consumer spending on igaming in Delaware also climbed from $228.7m to $308.8m, which was another yearly state record.
Delaware Park led the way with $4.2m in revenue, ahead of Dover Downs on $3.6m and the Harrington Raceway with $2.8m.