1980 County Groups: Detailed Composition and Boundary files
Detailed composition of 1980 County Groups
This page provides links to maps showing the boundaries of the 1980 County Groups for both the 1% Metro Sample and the 5% State Sample (see CNTYGP98).
The composition of each area has been broken down into state-specific tables for both the 1% metro and 5% state samples in the list above. Complete lists of 1980 County Group Composition Files for all states are also available in two formats: as ASCII text documents that concatenate all 50 state files from above (1% Metro Sample and 5% State Sample) and as rectangularized Excel spreadsheets that will read easily into any statistics package (1% Metro Sample and 5% State Sample).
Boundary files for 1980 County Groups:
Two sets of nationwide Boundary files are available for download in .zip format: