Quick stats

We provide inmate quick statistics by gender.

Male jurisdiction population

Updated monthly (2/1/2019)

  • 8,271 total males in the jurisdiction population: 7,694 criminally sentenced, 76 pre-trial detainees, and 501 civil commitments 
  • Average age of inmate was 42 years old (youngest inmate was 18 years old and oldest inmate was 95 years old)
  • 95% were serving a sentence of more than three years 
  • 72% had a violent governing offense 
  • 647 were serving a governing mandatory drug sentence 

Updated annually (1/1/2018)

  • 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 
  • 31% were open mental health cases, 7% had a serious mental illness (SMI), and 22% were on psychotropic medication for the Custody Population as of 12/31/2017 Note: Information provided by Health Services Division

Female jurisdiction population

Updated monthly (2/1/2019)

  • 531 total females in the jurisdiction population: 364 criminally sentenced, 165 pre-trial detainees, and 2 civil commitment
  • Average age of inmate was 38 years old (youngest inmate was 19 years old and oldest inmate was 74 years old) 
  • 61% were serving a sentence of more than three years 
  • 55% had a violent governing offense 
  • 16 were serving a governing mandatory drug sentence 

Updated annually (1/1/2018)

  • 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 
  • 79% were open mental health cases, 12% had a serious mental illness (SMI), and 55% were on psychotropic medication for the Custody Population as of 12/31/2017 
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