Transparency Through Data

Middlesex County Case Data


Click here to access prosecution data and Statistics from January 1, 2014, through December 31, 2020.


District Attorney Marian Ryan is committed to increasing transparency by tracking and analyzing our data related to prosecutions in Middlesex County. Middlesex is the largest county in Massachusetts with 54 cities and towns and a population of 1.6 million. The first step in this process is to make data available and easily accessible to the public.

In January of 2018 we began focusing on improving our practices in District Court regarding bail. In doing so, we balance our core mission to protect public safety with a recognition that even a short period of incarceration can cause tremendous upheaval in a person's life, including the potential loss of custody of children, the loss of employment or the loss of housing. This is an evolving process and to ensure transparency, we will be reporting our case data here on a quarterly basis.

While this data is helpful, we understand that looking at this information without the inclusion of racial and socioeconomic factors does not present a complete picture. District Attorney Ryan has therefore given Northeastern University access to the raw data regarding our cases including demographic information. This will identify any disparate treatment of individuals charged with a crime based upon race, gender, ethnicity or the city or town in which the offense was committed. Their reports, as well as the underlying data, will also be made public on this site. By releasing this information we are holding ourselves accountable and also allowing the public to have a greater understanding of the work we do every day.