All data

Data analysis worksheets and average crash rates by intersection type and roadway functional classification.

Find a description of and links to these inventories developed for the Massachusetts Office of Coastal Zone Management (CZM) and the Department of Conservation and Recreation (DCR).

Case filings for adult and juvenile substance use commitments under M.G.L. Chapter 123, Section 35. Section 35 authorizes involuntary commitments to a treatment facility for up to 90 days in cases where someone is likely to do serious harm to themselves or others. This data is compiled and updated quarterly by the Massachusetts Trial Court Department of Research and Planning.

Recent data on Jail Diversion activities in Massachusetts. Filter by year, demographic information, presenting problem, and diversion type. This data is updated every quarter.

Information on the labor force, employment, unemployment, and unemployment rates for the United States, Massachusetts, and for each city/town and county in Massachusetts. Information is also available by Workforce Development Area (WDA) and Labor Market Area (LMA).

Explore labor and unemployment data for cities, towns, and counties in Massachusetts. This data is maintained by the Department of Unemployment Assistance's Economic Research Department.

View the largest employers by the state of Massachusetts, Workforce Development Area (WDA), New England City and Town Area (NECTA), Labor Market Area, city, or town. Information provided by Data Axle.

See the results of lead and copper drinking water tests in schools and childcare facilities. Filter data by date, town, type of facility, and the measured level of copper or lead. This dataset is hosted in the Energy & Environmental Affairs Data Portal, an open data hub for state environmental data.

View lead screening and blood lead level data by community, as well as other lead reports.