Drug crime puts many people into prison in Florida – as indicated by data from the Florida Department of Corrections. How many people are in prison or jail for drugs? At the state level, drug crime is the 3rd-most common primary offense of inmates at 14.5%, behind property crime (21.2%) and violent crime (55.3%). Out of the 97,521 inmates incarcerated at that point, the primary offense for 5.5% of them was drug trafficking, while the primary offense for 6.7% was drug purchase, sale, or manufacture. How many prisoners are in jail for drug-related crimes? According to the Prison Policy Initiative, there are nearly 500,000 people imprisoned in the United States for a drug offense – meaning that 1 in 5 inmates are behind bars for this type of crime (many of them at the federal level).