2000 U.S. Census Data Aggregated by County

This dataset consists of polygonal boundaries for U.S. Counties with 2000 Block Group level data at the county level . Counties are the primary legal divisions of most States. In Louisiana the county equivalents are known as parishes. In Alaska beginning with 1980 census the county equivalents include, organized boroughs, and "census areas" delineated for statistical purposes by the State and U.S. Census Bureau. In Maryland, Missouri, Nevada, and Virginia, on or more cities are outside of any county organization, and are treated as county equivalents for statistical purposes. The District of Columbia has no primary divisions, and the entire area is considered to be the equivalent of a county for statistical purposes.