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CensusTracts2020
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U.S. Department of Commerce, U.S. Census Bureau, Geography Division, Spatial Data Collection and Products Branch
301-763-1128
301-763-4710
4600 Silver Hill Road, Stop 7400
Washington
DC
20233-7400
US
geo.tiger@census.gov
20200523
ArcGIS Metadata
1.0
U.S. Department of Commerce, U.S. Census Bureau, Geography Division, Spatial Data Collection and Products Branch
301-763-1128
301-763-4710
4600 Silver Hill Road, Stop 7400
Washington
DC
20233-7400
US
geo.tiger@census.gov
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
TGRSHP (compressed)
PK-ZIP, version 1.93 A or higher
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.
http://www.census.gov/geo/www/tiger
http://www.census.gov/geo/www/tiger
https://ftp.gis.oregon.gov/framework/Reference/CensusTracts2020.zip
File Geodatabase Feature Class
Oregon 2020 Census Tracts
2020-07-01
2020
U.S. Department of Commerce, U.S. Census Bureau, Geography Division, Spatial Data Collection and Products Branch
US Census
US Census
vector digital data
TIGER/Line Shapefile 2020 state
This data layer is an element of the Oregon GIS Framework. 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 2020 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 and beyond, 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 othergeographic applications, the Census Bureau releases to the public extracts of the database in the form of TIGER/Line Shapefiles.
U.S. Department of Commerce, U.S. Census Bureau, Geography Division, Spatial Data Collection and Products Branch
301-763-1128
301-763-4710
4600 Silver Hill Road, Stop 7400
Washington
DC
20233-7400
US
geo.tiger@census.gov
https://spatialdata.oregonexplorer.info/Metadata/Thumbnails/CensusTracts_2020.PNG
United States
U.S.
State or Equivalent Entity
Oregon
OR
41
INCITS.38-200x (R2004),INCITS.31-200x (R2007),INCITS.454-200x,INCITS 455-200x,INCITS 446-2008
boundaries
ISO 19115 Topic Categories
State or equivalent entity
Polygon
Tract
Census Tract
ReferenceFramework
boundariesState or equivalent entityPolygonTractCensus TractReferenceFrameworkUnited StatesU.S.State or Equivalent EntityOregonOR41
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.
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.
true
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41.991794
publication date
2020-01
2020-07
Esri ArcGIS 13.1.0.41833
1
-124.703541
-116.463262
46.299099
41.992082
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.
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.
2020
Census 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.
Census MAF/TIGER database
MAF/TIGER
U.S. Department of Commerce, U.S. Census Bureau, Geography Division, Spatial Data Collection and Products Branch
publication date
2010-01
2010-07
1001
Federal Information Processing Standards (FIPS), ANSI, and feature names.
1001
TABBLOCK20.shp
2020 Census Block State-based
U.S. Census Bureau
Feature Class
1001
OBJECTID_12
OBJECTID_12
OID
4
0
0
Internal feature number.
Esri
Sequential unique whole numbers that are automatically generated.
Shape
Shape
Geometry
0
0
0
Feature geometry.
Esri
Coordinates defining the features.
OBJECTID_1
OBJECTID_1
Integer
4
0
0
STATEFP
STATEFP
String
2
0
0
COUNTYFP
COUNTYFP
String
3
0
0
TRACTCE
TRACTCE
String
6
0
0
GEOID
GEOID
String
11
0
0
NAME
NAME
String
7
0
0
NAMELSAD
NAMELSAD
String
20
0
0
MTFCC
MTFCC
String
5
0
0
FUNCSTAT
FUNCSTAT
String
1
0
0
ALAND
ALAND
Double
8
0
0
AWATER
AWATER
Double
8
0
0
INTPTLAT
INTPTLAT
String
11
0
0
INTPTLON
INTPTLON
String
12
0
0
GEOCODE
GEOCODE
String
254
0
0
COUNTY
COUNTY
String
254
0
0
NAME_1
NAME_1
String
254
0
0
LABEL
LABEL
String
254
0
0
LOGRECNO
LOGRECNO
Double
8
0
0
POP20
POP20
Double
8
0
0
HHPOP20
HHPOP20
Double
8
0
0
GQPOP20
GQPOP20
Double
8
0
0
IGQPOP20
IGQPOP20
Double
8
0
0
NGQPOP20
NGQPOP20
Double
8
0
0
P20_LT18
P20_LT18
Double
8
0
0
P20_GE18
P20_GE18
Double
8
0
0
POPDENS20
POPDENS20
Double
8
0
0
HU20
HU20
Double
8
0
0
HU_OCC20
HU_OCC20
Double
8
0
0
HU_VAC20
HU_VAC20
Double
8
0
0
PPH20
PPH20
Double
8
0
0
NH_NAT20
NH_NAT20
Double
8
0
0
NH_ASN20
NH_ASN20
Double
8
0
0
NH_BLK20
NH_BLK20
Double
8
0
0
NH_PAC20
NH_PAC20
Double
8
0
0
NH_OTH20
NH_OTH20
Double
8
0
0
NH_WHT20
NH_WHT20
Double
8
0
0
NH_MULT20
NH_MULT20
Double
8
0
0
HISP20
HISP20
Double
8
0
0
H_NAT20
H_NAT20
Double
8
0
0
H_ASN20
H_ASN20
Double
8
0
0
H_BLK20
H_BLK20
Double
8
0
0
H_PAC20
H_PAC20
Double
8
0
0
H_OTH20
H_OTH20
Double
8
0
0
H_WHT20
H_WHT20
Double
8
0
0
H_MULT20
H_MULT20
Double
8
0
0
NAT_AOIC20
NAT_AOIC20
Double
8
0
0
ASN_AOIC20
ASN_AOIC20
Double
8
0
0
BLK_AOIC20
BLK_AOIC20
Double
8
0
0
PAC_AOIC20
PAC_AOIC20
Double
8
0
0
OTH_AOIC20
OTH_AOIC20
Double
8
0
0
WHT_AOIC20
WHT_AOIC20
Double
8
0
0
NH18NAT20
NH18NAT20
Double
8
0
0
NH18ASN20
NH18ASN20
Double
8
0
0
NH18BLK20
NH18BLK20
Double
8
0
0
NH18PAC20
NH18PAC20
Double
8
0
0
NH18OTH20
NH18OTH20
Double
8
0
0
NH18WHT20
NH18WHT20
Double
8
0
0
NH18MULT20
NH18MULT20
Double
8
0
0
HISP18
HISP18
Double
8
0
0
H18NAT20
H18NAT20
Double
8
0
0
H18ASN20
H18ASN20
Double
8
0
0
H18BLK20
H18BLK20
Double
8
0
0
H18PAC20
H18PAC20
Double
8
0
0
H18OTH20
H18OTH20
Double
8
0
0
H18WHT20
H18WHT20
Double
8
0
0
H18MULT20
H18MULT20
Double
8
0
0
IGQ_COR20
IGQ_COR20
Double
8
0
0
IGQ_JUV20
IGQ_JUV20
Double
8
0
0
IGQ_NURS20
IGQ_NURS20
Double
8
0
0
IGQ_OTH20
IGQ_OTH20
Double
8
0
0
NGQ_COLL20
NGQ_COLL20
Double
8
0
0
NGQ_MIL20
NGQ_MIL20
Double
8
0
0
NGQOTH20
NGQOTH20
Double
8
0
0
AREALAND20
AREALAND20
String
254
0
0
AREAWATR20
AREAWATR20
String
254
0
0
ObjectID
ObjectID
Integer
4
0
0
Shape_Leng
Shape_Leng
Double
8
0
0
Shape_Length
Shape_Length
Double
8
0
0
Length of feature in internal units.
Esri
Positive real numbers that are automatically generated.
Shape_Area
Shape_Area
Double
8
0
0
Area of feature in internal units squared.
Esri
Positive real numbers that are automatically generated.
dataset
EPSG
6.18.3(9.3.1.2)
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FALSE
1001
TRUE
FALSE