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Population Data: Research Services

This guide will show you how to find population data for Boston, Massachusetts, and the United States from various sources.

BPL Branch Locations & Hours

The Boston Public Library has 25 neighborhood branches throughout the city. Visit our location map and hours & directions pages to find the location nearest you.

Research Services at the Central Library in Copley Square

Research Services librarians are available at the information desk in the Washington Room of the McKim Building on the 2nd floor.

Research Services offers expert research and study assistance on all subjects. Librarians can help you with searching the library’s print and online collections and our online databases of articles and research sources. For any items the library does not own, librarians can assist patrons with requesting material from other libraries.

You can contact the department by email at ask@bpl.org, through our online Research Question form, or by mail at:

The Boston Public Library
Central Library at Copley Square
Research Services
700 Boylston Street
Boston MA 02116

Reference Services at Branch Libraries

Each branch library offers expert research and study assistance on all subjects. Librarians are available to assist patrons with searching the library’s print and electronic resources, and all other collections online and in our buildings. For any items the library does not own, librarians can assist patrons with requesting material from other libraries.

Ask at the Circulation Desk of any branch for the staff person able to answer your questions, or look for the Adult Reference desk.