Geolytics Census 2000 Long Form dataset. The Geolytics Census 2000 Long Form is a comprehensive source of detailed information about the people, housing, and economy of the United States. The Census 2000 Long Form offers the entire US Census Bureau's SF3 dataset. This dataset contains variables such as income, housing, employment, language spoken, ancestry, education, poverty, rent, mortgage, commute to work, etc. There are 5,500 variables at the Block Group level. A select portion of the Geolytics Census data was joined to GDT spatial data by block group and some census attributes were aggregated. See the attached txt file for a description of the attributes