U.S. Department of Commerce, U.S. Census Bureau, Geography Division
2010
2010 U.S. Census Redistricting (Public Law 94-171) Table H001 Data - Tracts - Connecticut
2010
vector digital data
http://magic.lib.uconn.edu/magic_2/vector/37800/pltractct_37800_0000_2010_s100_census_1_shp.zip
H001_pltractct_37800_0000_2010_s100_census_1_shp_nad83_feet
http://www.census.gov/geo/www/tiger
The TIGER/Line Files are shapefiles and related database files (.dbf) that are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) Database (MTDB). The MTDB represents a seamless national file with no overlaps or gaps between parts, however, each TIGER/Line File is designed to stand alone as an independent data set, or they can be combined to cover the entire nation. Census tracts are small, relatively permanent statistical subdivisions of a county or equivalent entity, and were defined by local participants as part of the 2010 Census Participant Statistical Areas Program. The Census Bureau delineated the census tracts in situations where no local participant existed or where all the potential participants declined to participate. The primary purpose of census tracts is to provide a stable set of geographic units for the presentation of census data and comparison back to previous decennial censuses. Census tracts generally have a population size between 1,200 and 8,000 people, with an optimum size of 4,000 people. When first delineated, census tracts were designed to be homogeneous with respect to population characteristics, economic status, and living conditions. The spatial size of census tracts varies widely depending on the density of settlement. Physical changes in street patterns caused by highway construction, new development, and so forth, may require boundary revisions. In addition, census tracts occasionally are split due to population growth, or combined as a result of substantial population decline. Census tract boundaries generally follow visible and identifiable features. They may follow legal boundaries such as minor civil division (MCD) or incorporated place boundaries in some States and situations to allow for census tract-to-governmental unit relationships where the governmental boundaries tend to remain unchanged between censuses. State and county boundaries always are census tract boundaries in the standard census geographic hierarchy. In a few rare instances, a census tract may consist of noncontiguous areas. These noncontiguous areas may occur where the census tracts are coextensive with all or parts of legal entities that are themselves noncontiguous. For the 2010 Census, the census tract code range of 9400 through 9499 was enforced for census tracts that include a majority American Indian population according to Census 2000 data and/or their area was primarily covered by federally recognized American Indian reservations and/or off-reservation trust lands; the code range 9800 through 9899 was enforced for those census tracts that contained little or no population and represented a relatively large special land use area such as a National Park, military installation, or a business/industrial park; and the code range 9900 through 9998 was enforced for those census tracts that contained only water area, no land area.
In order for others to use the information in the Census MAF/TIGER database in a geographic information system (GIS) or for other geographic applications, the Census Bureau releases to the public extracts of the database in the form of TIGER/Line Shapefiles.
en
201001
201007
publication date
TIGER/Line Shapefiles are extracted from the Census MAF/TIGER database. No changes or updates will be made to this version of the TIGER/Line Shapefiles. Future releases of TIGER/Line Shapefiles will reflect updates made to the Census MAF/TIGER database.
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ISO 19115 Topic Categories
boundaries
None
State or equivalent entity
Polygon
Census Tract
Tract
INCITS.38-200x (R2004),INCITS.31-200x (R2007),INCITS.454-200x,INCITS 455-200x,INCITS 446-2008
United States
U.S.
State or Equivalent Entity
Connecticut
CT
09
None
The TIGER/Line Shapefile products are not copyrighted however TIGER/Line and Census TIGER are registered trademarks of the U.S. Census Bureau. These products are free to use in a product or publication, however acknowledgement must be given to the U.S. Census Bureau as the source.
The boundary information in the TIGER/Line Shapefiles are for statistical data collection and tabulation purposes only; their depiction and designation for statistical purposes does not constitute a determination of jurisdictional authority or rights of ownership or entitlement and they are not legal land descriptions.Coordinates in the TIGER/Line shapefiles have six implied decimal places, but the positional accuracy of these coordinates is not as great as the six decimal places suggest.
U.S. Department of Commerce, U.S. Census Bureau, Geography Division, Geographic Products Branch
Mailing address
4600 Silver Hill Road, Stop 7400
Washington
DC
20233-7400
United States
301-763-1128
301-763-4710
geo.tiger@census.gov
ESRI ArcCatalog 9.3.0.1770
Shapefile
Accurate against Federal Information Processing Standards (FIPS), FIPS Publication 6-4, and FIPS-55 at the 100% level for the codes and base names. The remaining attribute information has been examined but has not been fully tested for accuracy.
The Census Bureau performed automated tests to ensure logical consistency and limits of shapefiles. Segments making up the outer and inner boundaries of a polygon tie end-to-end to completely enclose the area. All polygons are tested for closure.
The Census Bureau uses its internally developed geographic update system to enhance and modify spatial and attribute data in the Census MAF/TIGER database. Standard geographic codes, such as FIPS codes for states, counties, municipalities, county subdivisions, places, American Indian/Alaska Native/Native Hawaiian areas, and congressional districts are used when encoding spatial entities. The Census Bureau performed spatial data tests for logical consistency of the codes during the compilation of the original Census MAF/TIGER database files. Most of the codes for geographic entities except states, counties, urban areas, Core Based Statistical Areas (CBSAs), American Indian Areas (AIAs), and congressional districts were provided to the Census Bureau by the USGS, the agency responsible for maintaining FIPS 55. Feature attribute information has been examined but has not been fully tested for consistency.
For the TIGER/Line Shapefiles, the Point and Vector Object Count for the G-polygon SDTS Point and Vector Object Type reflects the number of records in the shapefile attribute table. For multi-polygon features, only one attribute record exists for each multi-polygon rather than one attribute record per individual G-polygon component of the multi-polygon feature. TIGER/Line Shapefile multi-polygons are an exception to the G-polygon object type classification. Therefore, when multi-polygons exist in a shapefile, the object count will be less than the actual number of G-polygons.
Data completeness of the TIGER/Line Shapefiles reflects the contents of the Census MAF/TIGER database at the time the TIGER/Line Shapefiles were created.
U.S. Department of Commerce, U.S. Census Bureau, Geography Division
Unpublished material
Census MAF/TIGER database
online
201001
201007
publication date
MAF/TIGER
The selected geographic and cartographic information (line segments) are derived from the U.S. Census Bureau's Master Address File Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) database.
TIGER/Line Shapefiles are extracted from the Census MAF/TIGER database by nation, state, county, and entity. Census MAF/TIGER data for all of the aforementioned geographic entities are then distributed among the shapefiles each containing attributes for line, polygon, or landmark geographic data.
withheld
2010
Metadata imported.
withheld
20110304
16240600
Metadata imported.
withheld
20110401
10274500
Metadata imported.
withheld
20110401
10372700
Dataset copied.
withheld
20110401
11571000
Dataset copied.
withheld
20110614
14185500
Federal Information Processing Standards (FIPS), ANSI, and feature names.
Vector
Simple
FALSE
0
TRUE
FALSE
North American Datum of 1983
Geodetic Reference System 80
6378137.000000
298.257222
GCS_North_American_1983
NAD_1983_StatePlane_Connecticut_FIPS_0600_Feet
coordinate pair
survey feet
0.000000
0.000000
htfd_citywide_Census_2010_Tracts
2010 Census Census Tract State-based
U.S. Census Bureau
Feature Class
0
OBJECTID
OBJECTID
OID
4
10
0
Internal feature number.
ESRI
Sequential unique whole numbers that are automatically generated.
Shape
Feature geometry.
ESRI
Coordinates defining the features.
Shape
Geometry
4
0
0
STATEFP10
2010 Census state Federal Information Processing Standards
(FIPS) codes
U.S. Census Bureau
INCITS.38-200x (R2004), Codes for the Identification of
the States, the District of Columbia, Puerto Rico, and the
Insular Areas of the United States (Formerly FIPS 5-2)
U.S. Census Bureau
STATEFP10
String
2
0
0
COUNTYFP10
2010 Census county Federal Information Processing Standards
(FIPS) code
U.S. Census Bureau
INCITS.31-200x (R2007), Codes for the Identification of
the Counties and Equivalent Areas of the United States,
Puerto Rico, and the Insular Areas of the United States
(Formerly FIPS 6-4)
U.S. Census Bureau
COUNTYFP10
String
3
0
0
TRACTCE10
2010 Census census tract code
U.S. Census Bureau
000000
Water tract in some coastal and Great Lakes water and
territorial sea
U.S. Census
000100 to 998999
Census tract number
U.S. Census Bureau
TRACTCE10
String
6
0
0
GEOID10
Census tract identifier, a concatenation of 2010 Census state
Federal Information Processing Standards (FIPS) code, county
FIPS code, and census tract code
U.S. Census Bureau
INCITS.38-200x (R2004), Codes for the Identification of
the States, the District of Columbia, Puerto Rico, and the
Insular Areas of the United States (Formerly FIPS 5-2),
INCITS.31-200x (R2007), Codes for the Identification of
the Counties and Equivalent Areas of the United States,
Puerto Rico, and the Insular Areas of the United States
(Formerly FIPS 6-4) and the census tract code that appears
in TRACTCE10
U.S. Census Bureau
GEOID10
String
11
0
0
NAME10
2010 Census census tract name, this is the census tract code
converted to an integer or integer plus two-digit decimal if
the last two characters of the code are not both zeros.
U.S. Census Bureau
Refer to the online census tract gazetteer file at URL:
http://www.census.gov/geo/www/gazetteer/gazette.html
U.S. Census Bureau
NAME10
String
7
0
0
NAMELSAD10
2010 Census translated legal/statistical area description and
the census tract name
U.S. Census Bureau
Refer to the online census tract gazetteer file at URL:
http://www.census.gov/geo/www/gazetteer/gazette.html and
translated legal/statistical area description code CT,
Census Tract
U.S. Census Bureau
NAMELSAD10
String
20
0
0
MTFCC10
MAF/TIGER feature class code
U.S. Census Bureau
G5020
Census Tract
U.S. Census Bureau
MTFCC10
String
5
0
0
FUNCSTAT10
2010 Census functional status
U.S. Census Bureau
S
Statistical entity
U.S. Census Bureau
FUNCSTAT10
String
1
0
0
ALAND10
2010 Census land area (square meters)
U.S. Census Bureau
0 to 9,999,999,999,999
Blank
U.S. Census Bureau
ALAND10
Double
8
38
8
AWATER10
2010 Census water area (square meters)
U.S. Census Bureau
0 to 9,999,999,999,999
Blank
U.S. Census Bureau
AWATER10
Double
8
38
8
GEOID_AFF2
GEOID_AFF2
String
254
Join field for American Factfinder 2 data. factfinder2.census.gov
0
0
Shape.area
Shape.area
Double
0
0
0
Shape.len
Shape.len
Double
0
0
0
U.S. Department of Commerce, U.S. Census Bureau, Geography Division, Geographic Products Branch
Mailing address
4600 Silver Hill Road, Stop 7400
Washington
DC
20233-7400
United States
301-763-1128
301-763-4710
geo.tiger@census.gov
Downloadable Data
No warranty, expressed or implied is made with regard to the accuracy of these data, and no liability is assumed by the U.S. Government in general or the U.S. Census Bureau in specific as to the spatial or attribute accuracy of the data. The act of distribution shall not constitute any such warranty and no responsibility is assumed by the U.S. government in the use of these files. The boundary information in the TIGER/Line Shapefiles is for statistical data collection and tabulation purposes only; their depiction and designation for statistical purposes do not constitute a determination of jurisdictional authority or rights of ownership or entitlement and they are not legal land descriptions.
TGRSHP (compressed)
PK-ZIP, version 1.93 A or higher
4.029
4.029
http://www.census.gov/geo/www/tiger
DVD-ROM (Only if offered offline)
ISO 9660
The online copy of the TIGER/Line files may be accessed without charge.
To obtain more information about ordering TIGER/Line shapefiles visit http://www.census.gov/geo/www/tiger
The TIGER/Line shapefiles contain geographic data only and do not include display mapping software or statistical data. For information on how to use the TIGER/Line shapefile data with specific software package users shall contact the company that produced the software.
20110621
U.S. Department of Commerce, U.S. Census Bureau, Geography Division, Geographic Products Branch
REQUIRED: The person responsible for the metadata information.
Mailing address
4600 Silver Hill Road, Stop 7400
Washington
DC
20233-7400
United States
301-763-1128
301-763-4710
geo.tiger@census.gov
FGDC Content Standards for Digital Geospatial Metadata
FGDC-STD-001-1998
local time
http://www.esri.com/metadata/esriprof80.html
ESRI Metadata Profile
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09594600
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20111203
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htfd_citywide_Census_2010_Tracts
002
Projected
GCS_North_American_1983
Linear Unit: Foot_US (0.304801)
NAD_1983_StatePlane_Connecticut_FIPS_0600_Feet
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