Quick statistics

We provide inmate quick statistics by gender.

Male jurisdiction population

Updated monthly (10/1/2019)

  • 8,263 total males in the jurisdiction population: 7,520 criminally sentenced, 64 pre-trial detainees, and 679 civil commitments 
  • Average age of inmate was 42 years old (youngest inmate was 18 years old and oldest inmate was 93 years old)
  • 96% were serving a sentence of more than three years 
  • 72% had a violent governing offense 
  • 592 were serving a governing mandatory drug sentence 

Updated annually (1/1/2019)

  • 42% entered the Massachusetts DOC with less than a 9th grade reading level 
  • 44% entered the Massachusetts DOC with less than a 6th grade math level 
  • The 2014 three year recidivism rate was 32% for the total male population 
  • 35% were open mental health cases, 8% had a serious mental illness (SMI), and 25% were on psychotropic medication for the Custody Population as of 12/31/2018 Note: Information provided by Health Services Division

Female jurisdiction population

Updated monthly (10/1/2019)

  • 520 total females in the jurisdiction population: 327 criminally sentenced, 183 pre-trial detainees, and 10 civil commitment
  • Average age of inmate was 38 years old (youngest inmate was 19 years old and oldest inmate was 74 years old) 
  • 65% were serving a sentence of more than three years 
  • 58% had a violent governing offense 
  • 14 were serving a governing mandatory drug sentence 

Updated annually (1/1/2019)

  • 29% entered the Massachusetts DOC with less than a 9th grade reading level 
  • 34% entered the Massachusetts DOC with less than a 6th grade math level 
  • The 2014 three year recidivism rate was 32% for the total female population 
  • 74% were open mental health cases, 15% had a serious mental illness (SMI), and 56% were on psychotropic medication for the Custody Population as of 12/31/2018 
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