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2010 Census Blocks


Download Link: http://data.nconemap.gov/downloads/vector/cenblk2010.zip
Abstract: The TIGER/Line Files are shapefiles and related database files (.dbf) that are an extract of selected geographic and cartographic information from the US 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 Blocks are statistical areas bounded on all sides by visible features, such as streets, roads, streams, and railroad tracks, and/or by nonvisible boundaries such as city, town, township, and county limits, and short line-of-sight extensions of streets and roads. Census blocks are relatively small in area; for example, a block in a city bounded by streets. However, census blocks in remote areas are often large and irregular and may even be many square miles in area. A common misunderstanding is that data users think census blocks are used geographically to build all other census geographic areas, rather all other census geographic areas are updated and then used as the primary constraints, along with roads and water features, to delineate the tabulation blocks. As a result, all 2010 Census blocks nest within every other 2010 Census geographic area, so that Census Bureau statistical data can be tabulated at the block level and aggregated up to the appropriate geographic areas. Census blocks cover all territory in the United States, Puerto Rico, and the Island Areas (American Samoa, Guam, the Commonwealth of the Northern Mariana Islands, and the US Virgin Islands). Blocks are the smallest geographic areas for which the Census Bureau publishes data from the decennial census. A block may consist of one or more faces.
Purpose: 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.
Publication Date: 2010
Originator: US Department of Commerce, US Census Bureau, Geography Division
Online Linkage: http://www.nconemap.gov
Time Period of Content:
Time Period Information:
Range of Dates/Times:
Beginning Date: 201001
Ending Date: 201007
Currentness Reference: Publication Date
Status:
Progress: Complete
Maintenance and Update Frequency: 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.
Spatial Domain:
Bounding Coordinates:
West Bounding Coordinate: -84.321869
East Bounding Coordinate: -75.400119
North Bounding Coordinate: 36.588157
South Bounding Coordinate: 33.752878
Contact Organization: US Department of Commerce, US Census Bureau, Geography Division, Geographic Products Branch
Contact Electronic Mail Address: geo.tiger@census.gov
Contact Voice Telephone: 301-763-1128
Contact Organization: US Department of Commerce, US Census Bureau, Geography Division, Geographic Products Branch
Grid Coordinate System Name: State Plane Coordinate System 1983
Horizontal Datum Name: North American Datum of 1983
Planar Distance Units: meters
Ellipsoid Name: Geodetic Reference System 1980
Attribute:
Attribute Label: STATEFP10
Attribute Definition: 2010 Census state Federal Information Processing Standards (FIPS) codes
Attribute Definition Source: US Census Bureau
Attribute Domain Values:
Codeset Domain:
Codeset Name: 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)
Codeset Source: US Census Bureau
Attribute:
Attribute Label: COUNTYFP10
Attribute Definition: 2010 Census county Federal Information Processing Standards (FIPS) code
Attribute Definition Source: US Census Bureau
Attribute Domain Values:
Codeset Domain:
Codeset Name: 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)
Codeset Source: US Census Bureau
Attribute:
Attribute Label: TRACTCE10
Attribute Definition: 2010 Census census tract code
Attribute Definition Source: US Census Bureau
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: 000000
Enumerated Domain Value Definition: Water tract in some coastal and Great Lakes water and territorial sea
Enumerated Domain Value Definition Source: US Census
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: 000100 to 998999
Enumerated Domain Value Definition: Census tract number
Enumerated Domain Value Definition Source: US Census Bureau
Attribute:
Attribute Label: BLOCKCE10
Attribute Definition: 2010 Census tabulation block number
Attribute Definition Source: US Census Bureau
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: 0001 to 9999
Enumerated Domain Value Definition: tabulation block number
Enumerated Domain Value Definition Source: US Census Bureau
Attribute:
Attribute Label: GEOID10
Attribute Definition: Block identifier; a concatenation of 2010 Census state Federal Information Processing Standards (FIPS) code, county FIPS code, census tract code, and tabulation block number
Attribute Definition Source: US Census Bureau
Attribute Domain Values:
Codeset Domain:
Codeset Name: 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), the census tract code that appears in TRACTCE10 and the tabulation block number that appears in BLOCKCE10
Codeset Source: US Census Bureau
Attribute:
Attribute Label: NAME10
Attribute Definition: 2010 Census tabulation block name; a concatenation of "Block", and the current tabulation block number
Attribute Definition Source: US Census Bureau
Attribute Domain Values:
Unrepresentable Domain: Refer to the tabulation block number that appears in BLOCKCE10
Attribute:
Attribute Label: MTFCC10
Attribute Definition: MAF/TIGER feature class code
Attribute Definition Source: US Census Bureau
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: G5040
Enumerated Domain Value Definition: Tabulation Block
Enumerated Domain Value Definition Source: US Census Bureau
Attribute:
Attribute Label: UR10
Attribute Definition: 2010 Census urban/rural indicator
Attribute Definition Source: US Census Bureau
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: M
Enumerated Domain Value Definition: Mixed - part of the land area is classified as urban and part is classified as rural
Enumerated Domain Value Definition Source: US Census Bureau
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: N
Enumerated Domain Value Definition: Not Applicable (water-only and international areas)
Enumerated Domain Value Definition Source: US Census Bureau
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: R
Enumerated Domain Value Definition: Area is classified as rural
Enumerated Domain Value Definition Source: US Census Bureau
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: U
Enumerated Domain Value Definition: Area is classified as urban
Enumerated Domain Value Definition Source: US Census Bureau
Attribute:
Attribute Label: UACE10
Attribute Definition: 2010 Census urban area code
Attribute Definition Source: US Census Bureau
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: 00001 to 98999
Enumerated Domain Value Definition: Urban Area Code
Enumerated Domain Value Definition Source: US Census Bureau
Attribute:
Attribute Label: FUNCSTAT10
Attribute Definition: 2010 Census functional status
Attribute Definition Source: US Census Bureau
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: S
Enumerated Domain Value Definition: Statistical entity
Enumerated Domain Value Definition Source: US Census Bureau
Attribute:
Attribute Label: ALAND10
Attribute Definition: 2010 Census land area (square meters)
Attribute Definition Source: US Census Bureau
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: 0 to 9,999,999,999,999
Enumerated Domain Value Definition: Blank
Enumerated Domain Value Definition Source: US Census Bureau
Attribute:
Attribute Label: AWATER10
Attribute Definition: 2010 Census water area (square meters)
Attribute Definition Source: US Census Bureau
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: 0 to 9,999,999,999,999
Enumerated Domain Value Definition: Blank
Enumerated Domain Value Definition Source: US Census Bureau
Attribute:
Attribute Label: INTPTLAT10
Attribute Definition: 2010 Census latitude of the internal point
Attribute Definition Source: US Census Bureau
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: 00
Enumerated Domain Value Definition: Blank
Enumerated Domain Value Definition Source: US Census Bureau
Attribute:
Attribute Label: INTPTLON10
Attribute Definition: 2010 Census longitude of the internal point
Attribute Definition Source: US Census Bureau
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: 00
Enumerated Domain Value Definition: Blank
Enumerated Domain Value Definition Source: US Census Bureau
Distribution Liability: NCCGIA is charged with the development and maintenance of NC OneMap and, in cooperation with other mapping organizations, is committed to offering its users accurate, useful, and current information. Although every effort has been made to ensure the accuracy of information, errors and conditions originating from physical sources used to develop this dataset may be reflected in the data supplied. The user must be aware of possible conditions and bear responsibility for the appropriate use of the information with respect to possible errors, original map scale, collection methodology, currency of data, and other conditions specific to certain data. NCCGIA does not support secondary distribution of this dataset without its current, compliant metadata record. The use of trade names or commercial products does not constitute their endorsement by NCCGIA or North Carolina State Government.
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