Online Technical Documentation

This gives you links to locate Census Technical Documentation publications. You will need this type of documentation to get your data electronically from the Social Science Data Center collection.
Census 2000
Summary File 1 (100% Data - Short Form) pdf
Summary File 2 pdf
Summary File 3 (Sample Data - Long Form) pdf
Census 1990

Summary Tape File 1 (100% Data - Short Form) pdf

Summary Tape File 3 (Sample Data - Long Form) pdf