• 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.

• 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.

• Previous version of the Population Projections for Connecticut, 2005-2030 includes the “Five Connecticuts” profile for 2000.
• For reference purposes, the U.S. Census Bureau provides state-wide projections.

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• 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