WinGIS provides select datasets for free to the public These datasets have been made available as a public service.

CensusBlock.dbf
This compressed table contains the 2000 Census demographic data for each census block in Illinois.
DBase 4	13.3 MB	Download
CensusBlockGroup.dbf
This compressed table contains the 2000 Census demographic data for each census block group in Illinois.
DBase 4	774 KB	Download
CensusCounty.dbf
This table contains the 2000 Census demographic data for each county in Illinois.
DBase 4	37 KB	Download
CensusTract.dbf
This compressed table contains the 2000 Census demographic data for each census tract in Illinois.
DBase 4	257 KB	Download
GeoRefImg.vlx
This compressed file contains an application that can be loaded into AutoCAD and used to georeference imagery based on a world file.
vlx	2.7 KB	Download
GPSControl.dwg
This file contains the monument locations for the WinGIS Geodetic Control Network.
AutoCAD	518 KB	Download
GPSControl.shp
This compressed file contains the monument locations for the WinGIS Geodetic Control Network.
Shapefile	40 KB	Download
USCities.shp
This compressed file contains point geometry and detailed attributes for cities in the US.
Shapefile	1.3 MB	Download
USCounties.shp
This compressed file contains detailed polygon geometry and attributes for each county in the US.
Shapefile	48.5 MB	Download
USStates.shp
This compressed file contains detailed polygon geometry and attributes for each state in the US.
Shapefile	20.2 MB	Download
WinCoBlock.shp
This compressed file contains the geographic extent of the 2000 Census blocks for Winnebago County.
Shapefile	874 KB	Download
WinCoBlockGroup.shp
This compressed file contains the geographic extent of the 2000 Census block groups for Winnebago County.
Shapefile	102 KB	Download
WinCoTract.shp
This compressed file contains the geographic extent of the 2000 Census tracts for Winnebago County.
Shapefile	48 KB	Download