This chapter serves as a guide for data users to both the file and the technical documentation. Novice users trying to understand how to use the documentation and the file should read this chapter first. Please pay particular attention to the section titled Data Structure and Segmentation. This structure is a new approach for Census 2000.
Census Quality Survey Summary File Dataset
This product contains summary population counts for two universes, total population and population 18 years and over.
American Indian and Alaska Native Summary File Dataset
The AIANSF contains the sample data, which is the information compiled from the long-form questionnaire and asked of a sample of all people and housing units.
State Legislative Summary File Dataset
Statistics on 100-percent and sample population and housing subjects are presented for all states, the District of Columbia, and Puerto Rico.