U.S. block-level population density rasters for 1990, 2000, and 2010
This dataset consists of three raster datasets representing population density for the years 1990, 2000, and 2010.  All three rasters are based on block-level census geography data.  The 1990 and 2000 data are derived from data normalized to 2000 block boundaries, while the 2010 data are based on 2010 block …