1980 Census of Population and Housing: Summary Tape File 3A
Availability: Available on a single CD-ROM Includes STF3A data for the Outlying Areas American Samoa, Guam, Northern Mariana Islands, Trust Territory of the Pacific Islands, and the Virgin Islands.
Product ID: C4-D80-S3AS-06-US3
Subject content: Contains sample data mainly based on the sample or "long form" questionnaire weighted to represent the total population. In addition, the file contains 100-percent counts and unweighted sample counts for total persons and total housing units. Note all STF3 files (A,B,C, and D) contain the same tables; they differ by geographic coverage.
Geography: States, counties , minor civil divisions (MCDs) or census county divisions (CCDs), places or place segments within MCDs/CCDs and remainders of MCDs/CCDs, census tracts/block numbering areas, block groups or enumeration districts, places, and congressional districts (96th and 97th)
File format & Software: Flat ASCII, no software; files are compressed and can be unzipped using standard unzipping software such as that found at www.pkware.com (etc.). These unlabeled ASCII files are intended for advanced users. Programming or database skills needed. See the data dictionary.
Census contact: Customer Services Center (orders), 301-763-INFO(4636); Demographic Call Center (content), 301-763-2422, or toll-free at 1-866-758-1060
