Quick Statistics

Statistics and FAQs 

 Jurisdiction Populations and Frequently Asked Questions

Male Jurisdiction Population

Updated monthly (6/1/2026)

  • 5,967 total males in the jurisdiction population: 5,628 criminally sentenced, 11 pre-trial detainees, and 328 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
  • 73% had a violent governing offense
  • 311 were serving a governing mandatory drug sentence 

Updated annually (5/1/2026)

  • The 2020 release cohort three-year recidivism rate was 28% for the total male population 

Information Provided by Health Services Division (12/31/2025)

  • 44% had an open mental health case
  • 39% had a serious mental illness (SMI)
  • 31% were on psychotropic medication 

Female Jurisdiction Population

Updated monthly (6/1/2026)

278 total females in the jurisdiction population: 221 criminally sentenced, 43 pre-trial detainees, and 14 civil commitments

  • Average age of inmate was 41 years old (youngest inmate was 19 years old and oldest inmate was 80 years old)
  • 86% were serving a sentence of more than three years
  • 65% had a violent governing offense
  • 13 were serving a governing mandatory drug sentence

Updated annually (5/1/2026)

  • The 2020 release cohort three-year recidivism rate was 20% for the total female population 

Information Provided by Health Services Division (12/31/2025)

  • 78% had an open mental health case
  • 66% had a serious mental illness (SMI)
  • 64% were on psychotropic medication 

Contact

Address

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

Help Us Improve Mass.gov  with your feedback

Please do not include personal or contact information.
Feedback