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  • Census Documentation
    • 1980 Documentation
      • STF1: Summary Tape File 1. Technical Documentation (PDF) (11MB)
      • STF2: Summary Tape File 2. Technical Documentation (PDF) (25MB)
      • STF3: Summary Tape File 3. Technical Documentation (PDF) (6MB)
      • STF4: Summary Tape File 4. Technical Documentation (PDF) (33MB)
      • STF5: Summary Tape File 5. Technical Documentation (PDF) (9MB)
      • CASRS: County Population by Age, Sex, Race, and Spanish Origin (PDF) (1.7MB)
      • EEO: Equal Employment Opportunity Special File (PDF) (8MB)
      • GQASRS: Group Quarters Population by Age, Sex, Race, and Spanish Origin (PDF) (2MB)
      • JTW: Journey-to-Work (PDF) (0.7MB)
      • MIG: County Migration by Selected Characteristics, 1975-1980 (PDF) (3MB)
      • PL94: P.L. 94-171 Population Counts (PDF) (3.3MB)
      • TRCTMCD: Person and Housing Unit Counts for Tracts and Minor Civil Divisions (PDF) (2MB)
    • 2000 Documentation
    • 1970 Documentation
    • Historical Census
    • Special and Supplemental Reports (misc.)
    • County Business Patterns
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