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United States Census Data (1790 -2020 ): The 19th Census - 1970
This guide contains the United States Census Data from 1790 to 2010
The National Historical Geographic Information System (NHGIS), produced by the Minnesota Population Center at the University of Minnesota provides free access to historical Census information. Note: this resource requires user registration, but registration is free and immediate.
Contains nationwide tract-level data from the 1970, 1980, 1990, 2000, and 2010 decennial censuses. Combines U.S. Census Bureau data into one product with variables and tract boundaries that are consistently defined across census years. Contains long form census data with details such as population, household, and housing characteristics, income, poverty status, education level, employment, housing costs, immigration, and other variables. Software creates customized, exportable data and map reports. Data reports can be exported and downloaded in DBF or CSV format. Map reports can be downloaded in ArcView Shape file or MapInfo MID/MIF format as a compressed. Please contact Kathy Wu (email@example.com) for questions and assistance.