Use the links at the top of the result screen to select other Tables and Maps and other Geographies.
The general characteristics table is derived from Summary File 1 (SF 1) which is based on answers to the questions on the Census 2000 Short-Form Questionnaire (PDF - 424 KB).
More details about this file can be found on the Summary File 1 overview.
The social, economic and housing characteristics tables are derived from Summary File 3 which is based on answers from a sample of approximately 19 million housing units (about 1 in 6 households) that received the Census 2000 Long-Form Questionnaire (PDF - 627 KB). American Indian and Alaska Native areas were sampled at a higher rate, approximately 1 in 2. Like SF 1:
More details about this file can be found on the Summary File 3 overview.