United States Census BureauThis polygon data layer represents census blocks for Cook County, Illinois in 2000. The dataset was originally published by the United States Census Bureau in 2009.[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.]Shapefileark:/77981/gmgs183420jengPublicCensus Blocks Cook County, Illinois {2000}DatasetsIllinois--Cook CountyIllinois2000American Geographical Society Library – UWM Libraries