This study is provided by ICPSR. ICPSR provides leadership and training in data access, curation, and methods of analysis for a diverse and expanding social science research community.

Census of Population and Housing, 1990 [United States]: Tiger/Census Tract Comparability File (ICPSR 9810)

Principal Investigator(s): United States Department of Commerce. Bureau of the Census


This collection identifies changes in United States census tracts between 1980 and 1990. The data were derived from the Census Bureaus's TIGER database. Counties with 1980 and 1990 census tracts are not included if there were no changes in the census tract boundaries and/or census tract numbers between 1980 and 1990. Also excluded are counties with census tracts defined for the first time in 1990.

Series: Census of Population and Housing, 1990 [United States] Series

Access Notes

  • Data in this collection are available only to users at ICPSR member institutions. Please log in so we can determine if you are with a member institution and have access to these data files.


DS0:  Study-Level Files
DS1:  Main Data - Download All Files (2.564 MB)
DS2:  Print Version of Data - Download All Files (2.983 MB)

Study Description


United States Department of Commerce. Bureau of the Census. Census of Population and Housing, 1990 [United States]: Tiger/Census Tract Comparability File. ICPSR09810-v1. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 1992. https://doi.org/10.3886/ICPSR09810.v1

Persistent URL: https://doi.org/10.3886/ICPSR09810.v1

Export Citation:

  • RIS (generic format for RefWorks, EndNote, etc.)
  • EndNote XML (EndNote X4.0.1 or higher)

Scope of Study

Subject Terms:    census county divisions, census data, census tract level, geographic information systems, population characteristics

Geographic Coverage:    United States

Time Period:   

  • 1980
  • 1990

Universe:    All census tracts in the United States and Puerto Rico that changed between the 1980 and 1990 censuses.

Data Type(s):    survey data

Data Collection Notes:

The data are provided in two formats. Part 1 presents the information in a form comparable to other Census Bureau tape files, suitable for manipulation by computer. Part 2 presents the data with a space between each field and with a decimal point between the census tract number and its suffix. This format is designed to make the file easy to read without additional editing for those who wish to print out the file.


Data Source:

January 1, 1990 boundaries and geographic area codes for governmental units based on responses to the Boundary and Annexation Survey conducted by the Bureau of the Census.


Original ICPSR Release:   1992-10-31

Version History:

  • 2006-01-12 All files were removed from dataset 3 and flagged as study-level files, so that they will accompany all downloads.

Related Publications


Metadata Exports

If you're looking for collection-level metadata rather than an individual metadata record, please visit our Metadata Records page.

Download Statistics