cost per day to supervise an offender
The 33 states that were able to provide data reported spending as much as 22 times more per day to manage prison inmates than to supervise offenders in the community. The reported average inmate cost was $79 per day, or nearly $29,000 per year. The average cost of managing an offender in the community ranged from $3.42 per day for probationers to $7.47 per day for parolees, or about $1,250 to $2,750 a year.