U.S. Department of Commerce, U.S. Census Bureau, Geography Division/Cartographic Products Branch
2012
2012 Cartographic Boundary File, 2010 Census Urban Area for United States, 1:500,000
vector digital data
2012 American Community Survey
Cartographic Boundary File
http://www2.census.gov/geo/tiger/GENZ2012/
The 2012 cartographic boundary shapefiles are simplified representations of selected geographic areas from the Census Bureau's MAF/TIGER geographic database. These boundary files are specifically designed for small-scale thematic mapping. When possible generalization is performed with the intent to maintain the hierarchical relationships among geographies and to maintain the alignment of geographies within a file set for a given year. Geographic areas may not align with the same areas from another year. Some geographies are available as nation-based shapefiles while others are available only as state-based files.
To improve the appearance of shapes at small scales, areas are represented with fewer vertices than detailed TIGER/Line equivalents. These boundary files take up less disk space than their ungeneralized counterparts. Cartographic boundary files take less time to render on screen. These files were specifically created to support small-scale thematic mapping.
201212
201212
publication date
None planned. New cartographic boundary files will be produced on an annual release schedule. Types of geography released may vary from year to year.
-167.650000
-65.221527
71.342941
-14.605210
None
2012
Cartographic Boundary
Generalized
Shapefile
Urban Area
ISO 19115 Topic Categories
Boundaries
None
United States
US
None
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 is for visual display at appropriate small scales only. Cartographic boundary files should not be used for geographic analysis including area or perimeter calculation. Files should not be used for geocoding addresses. Files should not be used for determining precise geographic area relationships.
U.S. Department of Commerce, U.S. Census Bureau, Geography Division
mailing
4600 Silver Hill Road
Washington
DC
20233-7400
United States
301.763.1128
301.763.4710
geo.geography@census.gov
Files were generated by U.S. Census Bureau Linux-based batch generalization software. FME (by Safe Software) was used to convert polygons from Oracle Spatial format into ESRI shapefile format.
Accurate against American National Standards Institute (ANSI) Publication INCITS 446-2008 (Geographic Names Information System (GNIS)) at the 100% level for the codes and base names present in the file. 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 of the source database. Segments making up the outer and inner boundaries of a polygon tie end-to-end to completely enclose the area. All polygons were 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. Feature attribute information has been examined but has not been fully tested for consistency.
The Cartographic Boundary Files are generalized representations of extracts taken from the MAF/TIGER Database. Generalized boundary files are clipped to a simplified version of the U.S. outline. As a result, some off-shore areas may be excluded from the generalized files. Some small holes or discontiguous parts of areas are not included in generalized files.
U.S. Department of Commerce, U.S. Census Bureau, Geography Division
unpublished material
Census MAF/TIGER database
Geo-spatial Relational Database
20120101
20120101
The dates describe the effective date of 2012 cartographic boundaries.
MAF/TIGER
All spatial and feature data
Spatial data were extracted from the MAF/TIGER database and processed through a U.S. Census Bureau batch generalization system.
withheld
201212
INCITS (formerly FIPS) codes.
Vector
Simple
FALSE
1
TRUE
FALSE
North American Datum of 1983
Geodetic Reference System 80
6378137.000000
298.257222
The cartographic boundary polygon shapefiles contain boundary data for a specific type of Census geography. See the U.S. Census Bureau Geographic Terms and Concepts documentation for further explanation of Census geography (http://www.census.gov/geo/www/2010census/GTC_10.pdf).
Below is a list of possible fields. Attribution will vary depending on the type of geography. Field names, descriptions and data types are listed in this format: FIELD_NAME Description [data value or type].
AFFGEOID AFF Summary Level Code, nation identifier; nation FIPS code [string]; AFFGEOID10 2010 Census AFF Summary Level Code, nation identifier; nation FIPS code [string]; ALAND Current land area [number]; ALAND10 2010 Census land area [number]; CD113FP 113th congressional district FIPS code [string]; CDSESSN 113th congressional session code [string]; GEOID identifier, code [string]; GEOID10 2010 Census identifier, 2010 Census code [string]; LSAD Current name and the translated legal/statistical area description code [string]; LSAD10 2010 Census name and the translated legal/statistical area description code [string]; LSY Legislative session year [string]; NAME10 2010 Census name [string]; NAMELSAD Current name and the translated legal/statistical area description [string]; NAMELSAD10 2010 Census name and the translated legal/statistical area description [string]; SLDLST Current state legislative district lower chamber code [string]; SLDUST Current state legislative district upper chamber code [string]; STATEFP Current state FIPS code [string]; UACE10 2010 Census urban area code [string]; UATYP10 2010 Census urban area type [string].
The ALAND or ALAND10 field is the calculated area derived from the ungeneralized area of each entity in square miles. This field can be used in density calculations. Users should not calculate the area of the generalized polygons for use in any analysis. Use the GEOID field to join these spatial tables to 2010 Census data tables if needed.
Some nation-based files may include Puerto Rico and the Island Areas of the United States. Island areas include American Samoa, Guam, the Commonwealth of the Northern Mariana Islands (Northern Mariana Islands), and the United States Virgin Islands.
http://www.census.gov/geo/www/2010census/GTC_10.pdf
Cens10UrbanArea
Feature Class
1
OBJECTID
OBJECTID
OID
4
10
0
Internal feature number.
Esri
Sequential unique whole numbers that are automatically generated.
UACE10
UACE10
String
5
0
0
AFFGEOID10
AFFGEOID10
String
16
0
0
GEOID10
GEOID10
String
5
0
0
NAME10
NAME10
String
100
0
0
NAMELSAD10
NAMELSAD10
String
100
0
0
LSAD10
LSAD10
String
2
0
0
UATYP10
UATYP10
String
1
0
0
ALAND10
ALAND10
Double
8
38
8
Shape_Leng
Shape_Leng
Double
8
38
8
SHAPE
SHAPE
Geometry
4
0
0
Feature geometry.
Esri
Coordinates defining the features.
SHAPE.STArea()
SHAPE.STArea()
Double
0
0
0
SHAPE.STLength()
SHAPE.STLength()
Double
0
0
0
U.S. Department of Commerce, U.S. Census Bureau, Geography Division
mailing
4600 Silver Hill Road
Washington
DC
20233-7400
United States
301.763.1128
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 is for small-scale mapping purposes only; boundary depiction and designation for small-scale mapping purposes do not constitute a determination of jurisdictional authority or rights of ownership or entitlement and they are not legal land descriptions.
SHP (compressed)
The files were compressed using Linux-based Info-ZIP Zip 2.32. Files can be decompressed with PK-ZIP, version 1.93A or higher, WinZip or other decompression software packages.
http://www.census.gov/geo/www/cob/index.html
The online cartographic boundary files may be downloaded without charge.
The cartographic boundary files contain geographic data only and do not include display or mapping software or statistical data. The files are delivered as zipped ESRI Shapefiles. Users are responsible for converting or translating the files into a format used by their specific software packages.
201307
U.S. Department of Commerce, U.S. Census Bureau, Geography Division/Cartographic Products Branch
mailing
4600 Silver Hill Road
Washington
DC
20233-7400
United States
301.763.1101
301.763.4710
geo.geography@census.gov
Content Standard for Digital Geospatial Metadata
FGDC-STD-001-1998
Esri ArcGIS 10.3.1.4959
Cens10UrbanArea
1
-97.591602
-97.113484
37.855660
37.464725
Cens10UrbanArea
002
1575962.696775
1712643.730171
1605885.639491
1746562.961154
1
Projected
GCS_North_American_1983
Linear Unit: Foot_US (0.304801)
NAD_1983_StatePlane_Kansas_South_FIPS_1502_Feet
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20161212
14073700
20161212
14074900
20230929
08545700
1.0
TRUE
Feature Class
dataset
EPSG
8.6.2
1
20161212
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