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Quick statistics

We provide inmate quick statistics by gender.

Male jurisdiction population

Updated monthly (3/1/2021)

  • 6,518 total males in the jurisdiction population: 5,961 criminally sentenced, 42 pre-trial detainees, and 515 civil commitments 
  • Average age of inmate was 44 years old (youngest inmate was 18 years old and oldest inmate was 88 years old)
  • 98% were serving a sentence of more than three years 
  • 78% had a violent governing offense 
  • 364 were serving a governing mandatory drug sentence 

 

  • The 2015 three-year recidivism rate was 33% for the total male population 

Updated annually (1/1/2020)

  • 41% entered the Massachusetts DOC with less than a 9th grade reading level 
  • 29% entered the Massachusetts DOC with less than a 6th grade math level

Female jurisdiction population

Updated monthly (3/1/2021)

  • 194 total females in the jurisdiction population: 158 criminally sentenced, 33 pre-trial detainees, and 3 civil commitments
  • Average age of inmate was 42 years old (youngest inmate was 20 years old and oldest inmate was 76 years old) 
  • 92% were serving a sentence of more than three years 
  • 77% had a violent governing offense 
  • 9 were serving a governing mandatory drug sentence

 

  • The 2015 three-year recidivism rate was 32% for the total female population 

Updated annually (1/1/2020)

  • 37% entered the Massachusetts DOC with less than a 9th grade reading level 
  • 25% entered the Massachusetts DOC with less than a 6th grade math level 

Total custody population

Updated annually (1/1/2021)

  • Information provided by Health Services Division:
    • 48% were open mental health cases
    • 37% had a serious mental illness (SMI)
    • 35% were on psychotropic medication
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