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CUGIR dataset information

Census Blocks, New York State (Shapefile : 2001)
MapsheetNassau County
ProviderU.S. Census Bureau

Beginning with the 2000 census, CUGIR adopted a policy of only providing decadal updates to census data sets. These data are derived from the US Census bureau's TIGER/Line files, and the Census Bureau releases periodic updates in between decadal censuses. The significance of these updates varies, and it is the user's responsibility to determine whether they should obtain updated data from the Census Bureau.

Note also that the Census began distributing TIGER/Line data as shapefiles on March 31, 2008.

FormatShapefile .shp
Coordinate System Geographic | Decimal Degrees
DatumNorth American Datum of 1983
Publication date 2001
Date added or updated not specified
CUGIR, the Cornell University Geospatial Information Repository, using US Department of Commerce, Bureau of the Census data, developed the GIS data set versions of 2000 Cenus TIGER/Line files for 12 coverages for each of the 62 counties in New York State.
These files were developed to enable a user to see the geographic component from the 2000 Census. They can be used to join demographic data from the 1990 census for use in a geographic information system.
Supplemental Information
To find out more about TIGER/Line files and other Census TIGER data base derived data sets visit: <>
Topicsboundaries, society
File size2232 kilobytes
Use constraintsNone. Acknowledgment of the U.S. Census Bureau would be appreciated for products derived from these files. TIGER, TIGER/Line, and Census TIGER are registered trademarks of the U.S. Census Bureau. ZCTA is a trademark of the U.S. Census Bureau.
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