2000 population density by block group for the conterminous United States

This data set represents 2000 population density by block group as a 100-m grid using data from the 2000 Census of Population and Housing. The demographic data is...本数据集依托2000年人口与住房普查（2000 Census of Population and Housing）的数据，以100米网格的形式呈现了按街区组（block group）统计的2000年人口密度。该人口统计数据为……