Inmate Support. To house an inmate and provide inmate support, it costs $2,562 per year. That is $1,475 for food, $439 for activities, $407 for canteen and employment, $171 for clothing and $70 for religious activities.That amounts to $7.02 per day per year.ehabilitation. The cost per year for rehabilitation programs per inmate are $1,612. Broken down, that is $944 for academic education, $354 for vocational training and $313 for substance abuse programs. That amounts to $4.41 per day per year.