Demographic Data


  1. U.S. Census Bureau
    • The U.S. Census Bureau collects and analyzes social, economic, and geographic data. It provides information about the conditions of the United States, states, counties, cities, towns, down to a 1,500-person geographical unit called a “Census Tract”. The Census Bureau conducts surveys to measure both Demographic and Economic characteristics and trends.
  2. Social Explorer
    • Social Explorer, in their Data & Tools tab provides an interface to all decennial data sets back to 1790, plus American Community Survey (ACS) data sets — in both the original Census’ data tables and in their own compressed tables. After clicking on “Data & Tools”, open the “Browse Reports” link.
  3. 2015-2025 Connecticut Population Projections.


  4. IPUMS from Minnesota Population Center.
    • IPUMS-USA is an integrated series of representative samples drawn from the U.S. censuses of 1850 to 2000 and the Puerto Rican censuses of 1910 to 2000. IPUMS-USA also includes American Community Survey (ACS) data from 2000 to 2006.
    • The virtue of IPUMS is to allow multiple kinds of comparisons across different U.S. Census data availability, in their words, to harmonize data. This resource is provided absolutely free, as a service of the Minnesota Population Center.
    • Be sure to read the documentation and give yourself sufficient time to become familiar with the scope and comparability of this resource. Please note several restrictions:
      • Individual data records are extracted for use in statistical packages or analyses — NO TABLES are prepared for you.
      • The smallest identifiable geographic unit is the PUMA, containing at least 100,000 persons; no small geographical areas may be studied with this tool.
      • No fees may be charged for use or distribution of the data
      • Cite the IPUMS appropriately
      • Any publications, research reports, presentations, or educational material making use of the data or documentation should be added to their Bibliography