U.S. Department of Commerce, U.S. Census Bureau, Geography Division 2012 2012 vector digital data http://www2.census.gov/geo/tiger/TIGER2012/TRACT/tl_2012_06_tract.zip The TIGER/Line shapefiles and related database files (.dbf) 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 shapefile 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. 201108 201206 Publication Date Complete 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. -124.482003 -114.131211 42.009517 32.528832 None State or equivalent entity Polygon Census Tract Tract ISO 19115 Topic Categories Boundaries ANSI INCITS 38:2009 (Formerly FIPS 5-2), ANSI INCITS 31:2009 (Formerly FIPS 6-4),ANSI INCITS 454:2009 (Formerly FIPS 8-6), ANSI INCITS 455:2009(Formerly FIPS 9-1), ANSI INCITS 446:2008 (Geographic Names Information System (GNIS)) United States U.S. State or Equivalent Entity California CA 06 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

4600 Silver Hill Road, Stop 7400

Washington DC 20233-7400 United States 301-763-1128 301-763-4710 geo.tiger@census.gov Accurate against Federal Information Processing Series (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 online 201108 201206 Publication Date MAF/TIGER All line segments 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. MAF/TIGER 2012 Federal Information Processing Series (FIPS), ANSI, and feature names. Vector G-polygon 8057 0.000458 0.000458 Decimal degrees North American Datum of 1983 Geodetic Reference System 80 6378137 298.257 TRACT.shp Current Census Tract State-based U.S. Census Bureau STATEFP Current state Federal Information Processing Series (FIPS) codes U.S. Census Bureau INCITS.38-2009, 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 COUNTYFP Current county Federal Information Processing Series (FIPS) code U.S. Census Bureau INCITS.31-2009, 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 TRACTCE Current census tract code U.S. Census Bureau 000000 Water Tract (2000) U.S. Census 000100 to 989999 Census tract number U.S. Census Bureau 990000 to 990099 Water Tract (2010 and continuing) U.S. Census Bureau 990100 to 998999 Census tract number U.S. Census Bureau GEOID Census tract identifier, a concatenation of Current state Federal Information Processing Series (FIPS) code, county FIPS code, and census tract code U.S. Census Bureau INCITS.38-2009, 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.31-2009, 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 TRACTCE U.S. Census Bureau NAME Current 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 data are unavailable NAMELSAD Current translated legal/statistical area description and the census tract name U.S. Census Bureau Refer to the name in the 'NAME' field and the translated legal/statistical area description code for Census Tract MTFCC MAF/TIGER feature class code U.S. Census Bureau G5020 Census Tract U.S. Census Bureau FUNCSTAT Current functional status U.S. Census Bureau S Statistical entity U.S. Census Bureau ALAND Current land area (square meters) U.S. Census Bureau 0 9,999,999,999,999 square meters AWATER Current water area (square meters) U.S. Census Bureau 0 9,999,999,999,999 square meters INTPTLAT Current latitude of the internal point U.S. Census Bureau -90.000000 90.000000 Decimal degrees INTPTLON Current longitude of the internal point U.S. Census Bureau -180.000000 180.000000 Decimal degrees U.S. Department of Commerce, U.S. Census Bureau, Geography Division, Geographic Products Branch mailing

4600 Silver Hill Road, Stop 7400

Washington DC 20233-7400 United States 301-763-1128 301-763-4710 geo.tiger@census.gov 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 http://www2.census.gov/geo/tiger/TIGER2012/TRACT/tl_2012_06_tract.zip 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. 20120615 U.S. Department of Commerce, U.S. Census Bureau, Geography Division, Geographic Products Branch mailing

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