Census Tracts (2020)

This polygon shapefile shows census tracts in the SPC region from the 2010 census. Census tracts are defined as " small, relatively permanent statistical subdivisions of a county. " The minimum population of a census tract is 1,200 people, and the maximum is 8,000 people.本多边形形状文件（polygon shapefile）展示了SPC区域2010年人口普查的人口普查区（census tracts）。人口普查区被定义为“县级下辖的小型、相对固定的统计分区”，单个普查区的人口下限为1200人，上限为8000人。