September tax collections top $2.5 million, nearly $24 million for year October 6, 2022 By Griffin Coop Arkansas medical marijuana taxes have brought in nearly $24 million since the start of the year, according to the latest data from the state Department of Finance and Administration. The state received $2.54 million in medical marijuana taxes last month, increasing the 2022 total to $23.98 million, according to the department. Medical marijuana patients pay a 6.5% sales tax and a 4% privilege tax when they make purchases. Dispensaries also pay the 4% privilege tax when they make purchases from cultivators.