Census Block Groups in 2010

Census Block Groups in 2010. The TIGER/Line Shapefiles are an extract of selected geographic and cartographic information from the Census MAF/TIGER database. The Census MAF/TIGER database represents a seamless national file with no overlaps or gaps between parts. However, each TIGER/Line Shapefile is designed to stand alone as an independent data set or the shapefiles can be combined to cover the whole nation.

2010年人口普查街区组（Census Block Groups）。TIGER/Line形状文件（TIGER/Line Shapefiles）是从人口普查MAF/TIGER数据库（Census MAF/TIGER database）中提取的精选地理与制图信息子集。该人口普查MAF/TIGER数据库为无缝衔接的全国数据集，各组成部分之间不存在重叠与空白区域。不过，每份TIGER/Line形状文件均可作为独立数据集单独使用，也可将多个此类形状文件合并以覆盖全国全域。