search across all the following databases:
Data and documentation
Common questions and answers.
Entire collection of data resources.
PSC Data Catalog: Study Bibliographic Details:
|Access to Files:||Data and Documentation|
|Title:||Census of Population and Housing, 1980 [United States]: 1970 - Pre 1980 Tract Relationships|
|Primary Investigator(s):||United States Department of Commerce. Bureau of the Census|
|Abstract:||This file presents a general comparability between the census tracts in 1970 and the pre-1980 census tracts, which were identified in late 1978 and used in enumerating the 1980 census. The file provides state, county, and tract codes for 1970 and pre-1980. In addition, it has the number of pre-1980 census tracts with territory in common with the 1970 tracts and the number of 1970 tracts with territory in common with the pre-1980 tracts. All tracted areas in the United States are covered, there are 44,550 records, each with a logical record length of 72.|