Quick Statistics

Statistics and FAQs 

 Jurisdiction Populations and Frequently Asked Questions

Male Jurisdiction Population

Updated monthly (9/1/2025)

  • 6,000 total males in the jurisdiction population: 5,631 criminally sentenced, 20 pre-trial detainees, and 349 civil commitments
  • Average age of inmate was 44 years old (youngest inmate was 19 years old and oldest inmate was 90 years old)
  • 97% were serving a sentence of more than three years
  • 74% had a violent governing offense
  • 333 were serving a governing mandatory drug sentence 

Updated annually (5/1/2024)

  • The 2019 three-year recidivism rate was 26% for the total male population 

Information Provided by Health Services Division (12/31/2023)

  • 39% were open mental health cases
  • 35% had a serious mental illness (SMI)
  • 29% were on psychotropic medication 

Female Jurisdiction Population

Updated monthly (9/1/2025)

  • 258 total females in the jurisdiction population: 203 criminally sentenced, 38 pre-trial detainees, and 17 civil commitments
  • Average age of inmate was 42 years old (youngest inmate was 19 years old and oldest inmate was 79 years old)
  • 89% were serving a sentence of more than three years
  • 65% had a violent governing offense
  • 16 were serving a governing mandatory drug sentence

Updated annually (5/1/2024)

  • The 2019 three-year recidivism rate was 23% for the total female population 

Information Provided by Health Services Division (12/31/2023)

  • 65% were open mental health cases
  • 72% had a serious mental illness (SMI)
  • 67% were on psychotropic medication 

Contact

Address

Central Headquarters
50 Maple St., Suite 3, Milford, MA 01757

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