The Constitutional basis for taking the Census every ten years is to apportion the representatives to Congress between the States. Census data is also used for legislative redistricting within states. Public Law 94-171, which amended the Census Law (Title 13, United States Code) was enacted by Congress in 1975. The purpose of this law is to provide state legislatures with small-area census population totals for legislative redistricting. Census geographic products are critically important tools for those involved in the redistricting process. Information on the Census 2000 Redistricting Data Program is available on our Internet site.
Redistricting Census 2000 TIGER/LineŽ Files
Internet: January 2001
Download now!
DVD available: 2nd quarter 2001
The first release of the Census 2000 TIGER/Line
files is specifically intended to support the
needs of the redistricting community.
Because of the timing of this release, it
will NOT include the ZIP Code Tabulation
Areas (ZCTAsTM) nor the
final update to the Census 2000 address range information. The following
areas will not be included in this release:
American Samoa, Guam, Northern Mariana
Islands, U.S. Minor Outlying Areas (Midway)
and the U.S. Virgin Islands.
Media: DVD ($90), CD-ROM (custom order only- $60 each) and Internet (free download). Data Format: ASCII.
P.L. 94-171 County Block Maps (Census 2000)
Paper available: April 2001
DVD (PDF) available: 2nd quarter 2001
Internet (PDF) available: April 2001
The Census Bureau's block-numbered maps show the greatest
detail and most complete set of geographic information. These
large-scale maps depict the smallest geographic entities for
which the Census Bureau presents data--the census blocks --
by displaying the features that form block boundaries and
the numbers that identify them. The maps show the boundaries,
names and codes for American Indian areas/Alaska Native
areas/Hawaiian homelands, county divisions, places, voting
districts, census tracts, block groups and census blocks
(Visit the Census 2000 Dress Rehearsal
web page for sample map files in PDF format, URL:
http://www.census.gov/ftp/pub/geo/DR/dr_geopr.html
Media: DVD, Internet and paper. Data Format: PDF. Size: 36" x 33".
Voting District/State Legislative District Outline Maps (Census 2000)
Paper available: March 2001
Internet (PDF) available: April 2001
These county-based maps show the boundaries and codes
for Voting Districts as delineated by the participating States
in Phase 2, Voting District Project, of the Redistricting Data
Program; the features underlying these boundaries; and the
names of these features. Additionally, for States that submit the
information, these maps show the boundaries and codes for
State legislative districts and their underlying features. These
maps also show the boundaries and names of American Indian
areas/Alaska Native areas/Hawaiian homelands, counties,
county subdivisions, and places. The maps will be available
only for those states and counties where information was
provided under the Voting District Project.
Media: DVD, Internet and paper. Data Format: PDF. Size: 36" x 33".
Note: The maps will be available only for those states that participated in the Voting
District Project. You can sample the Voting District maps from the
Geographic Products Census 2000 Dress Rehearsal site, URL:
http://www.census.gov/ftp/pub/geo/DR/dr_geopr.html .
Census Tract Outline Maps (Census 2000)
Paper available: April 2001
Internet (PDF) available: April 2001
DVD available 2001
These county maps show the boundaries
and numbers of the census tracts, and
name the features underlying the boundaries.
They also show the boundaries, names,
and codes for American Indian areas/
Alaska Native areas/Hawaiian home lands,
counties, county subdivisions, and places.
Media: DVD, Internet (PDF), CD-ROM
(custom order only) and paper. Data Format: PDF. Size: 36" x 33".
For more information on the innovations in map design for the Census 2000 Geographic products and the types of map distribution formats, refer to the Census 2000 Geographic Products web page.
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Source: U.S. Census Bureau
