View In:
ArcGIS Online Map Viewer
Name: Census Block Groups
Display Field: namelsad20
Type: Feature Layer
Geometry Type: esriGeometryPolygon
Description: <DIV STYLE="text-align:Left;"><DIV><P><SPAN>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. Block Groups (BGs) are defined before tabulation block delineation and numbering, but are clusters of blocks within the same census tract that have the same first digit of their 4-digit census block number from the same decennial census. For example, Census 2000 tabulation blocks 3001, 3002, 3003,.., 3999 within Census 2000 tract 1210.02 are also within BG 3 within that census tract. Census 2000 BGs generally contained between 600 and 3,000 people, with an optimum size of 1,500 people. Most BGs were delineated by local participants in the Census Bureau's Participant Statistical Areas Program (PSAP). The Census Bureau delineated BGs only where the PSAP participant declined to delineate BGs or where the Census Bureau could not identify any local PSAP participant. A BG usually covers a contiguous area. Each census tract contains at least one BG, and BGs are uniquely numbered within census tract. Within the standard census geographic hierarchy, BGs never cross county or census tract boundaries, but may cross the boundaries of other geographic entities like county subdivisions, places, urban areas, voting districts, congressional districts, and American Indian / Alaska Native / Native Hawaiian areas. BGs have a valid code range of 0 through 9. BGs coded 0 were intended to only include water area, no land area, and they are generally in territorial seas, coastal water, and Great Lakes water areas. For Census 2000, rather than extending a census tract boundary into the Great Lakes or out to the U.S. nautical three-mile limit, the Census Bureau delineated some census tract boundaries along the shoreline or just offshore. The Census Bureau assigned a default census tract number of 0 and BG of 0 to these offshore, water-only areas not included in regularly numbered census tract areas.</SPAN></P></DIV></DIV>
Service Item Id: af946d00567a4c2d9d733ebf47a13030
Copyright Text: The U.S. Census Bureau
Default Visibility: true
MaxRecordCount: 2000
Supported Query Formats: JSON, geoJSON, PBF
Min Scale: 0
Max Scale: 0
Supports Advanced Queries: true
Supports Statistics: true
Can Scale Symbols: false
Use Standardized Queries: true
Supports ValidateSQL: true
Supports Calculate: true
Extent:
XMin: 1427072.8608939946
YMin: 421637.3406127244
XMax: 1844010.8232762516
YMax: 806122.3406700641
Spatial Reference: 102676
(3418)
Drawing Info:
Renderer:
Simple Renderer:
Symbol: Style: esriSFSSolid
Color:
[252, 209, 220, 255]
Outline:
Style: esriSLSSolid
Color:
[110, 110, 110, 255]
Width: 0
Label: N/A
Description: N/A
Transparency: 0
Labeling Info:
Advanced Query Capabilities:
Supports Statistics: true
Supports OrderBy: true
Supports Distinct: true
Supports Pagination: true
Supports TrueCurve: false
Supports Returning Query Extent: true
Supports Query With Distance: true
Supports Sql Expression: true
Supports Query With ResultType: true
Supports Returning Geometry Centroid: false
Supports Binning LOD: true
Supports Query With LOD Spatial Reference: true
HasZ: false
HasM: false
Has Attachments: false
HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText
Type ID Field:
Fields:
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objectid
(
nullable: false, defaultValue: null, editable: false, length: 4, type: esriFieldTypeOID, modelName: OBJECTID, alias: OBJECTID
)
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sumlev
(
modelName: SUMLEV, nullable: true, editable: true, defaultValue: null, length: 255, alias: SUMLEV, type: esriFieldTypeString
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fipsstco
(
modelName: FipsStCo, nullable: true, editable: true, defaultValue: null, length: 255, alias: FipsStCo, type: esriFieldTypeString
)
-
tract
(
modelName: TRACT, nullable: true, editable: true, defaultValue: null, length: 255, alias: TRACT, type: esriFieldTypeString
)
-
blkgrp
(
modelName: BLKGRP, nullable: true, editable: true, defaultValue: null, length: 255, alias: BLKGRP, type: esriFieldTypeString
)
-
city
(
modelName: City, nullable: true, editable: true, defaultValue: null, length: 50, alias: City, type: esriFieldTypeString
,
Coded Values:
[Ackworth: Ackworth]
,
[Adel: Adel]
,
[Albion: Albion]
, ...214 more...
)
-
updt
(
modelName: Updt, nullable: true, editable: false, defaultValue: null, length: 29, alias: last_edited_date, type: esriFieldTypeDate
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upid
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statefp20
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countyfp20
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tractce20
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blkgrpce20
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blockgroup_geoid20
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namelsad20
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mtfcc20
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funcstat20
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aland20
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awater20
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intptlat20
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intptlon20
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blockgroup_geoid20_1
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globalid
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p0010001
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p0010003
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p0010004
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p0010005
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p0010006
(
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p0010007
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p0010008
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p0010009
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p0020002
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p0020003
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p0030001
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p0030003
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p0030004
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p0030005
(
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p0030006
(
modelName: P0030006, nullable: true, editable: true, defaultValue: null, alias: Asian18+, type: esriFieldTypeInteger
)
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p0030007
(
modelName: P0030007, nullable: true, editable: true, defaultValue: null, alias: NatHawPacIsl18+, type: esriFieldTypeInteger
)
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p0030008
(
modelName: P0030008, nullable: true, editable: true, defaultValue: null, alias: OtherRace18+, type: esriFieldTypeInteger
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p0030009
(
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p0040002
(
modelName: P0040002, nullable: true, editable: true, defaultValue: null, alias: Latino18+, type: esriFieldTypeInteger
)
-
p0040003
(
modelName: P0040003, nullable: true, editable: true, defaultValue: null, alias: NotLatino18+, type: esriFieldTypeInteger
)
-
h0010001
(
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-
h0010002
(
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h0010003
(
modelName: H0010003, nullable: true, editable: true, defaultValue: null, alias: VacantHU, type: esriFieldTypeInteger
)
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SHAPE__Length
(
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)
-
SHAPE__Area
(
virtual: true, nullable: true, editable: false, defaultValue: null, alias: SHAPE__Area, type: esriFieldTypeDouble
)
Templates:
-
Name: Census Block Groups
Description:
Prototype:
tract: null
city: null
namelsad20: null
p0040002: null
p0040003: null
intptlat20: null
sumlev: null
intptlon20: null
blkgrpce20: null
blockgroup_geoid20: null
aland20: null
h0010003: null
h0010002: null
fipsstco: null
h0010001: null
p0010001: null
p0010003: null
p0010004: null
p0010005: null
countyfp20: null
p0010006: null
p0010007: null
p0010008: null
p0010009: null
p0020002: null
p0020003: null
statefp20: null
p0030009: null
tractce20: null
p0030005: null
p0030006: null
p0030007: null
p0030008: null
funcstat20: null
mtfcc20: null
p0030001: null
p0030003: null
blkgrp: null
awater20: null
p0030004: null
blockgroup_geoid20_1: null
Drawing Tool: esriFeatureEditToolPolygon
Capabilities: Query,Extract
Sync Can Return Changes: true
Is Data Versioned: false
Supports Rollback On Failure: true
Supports ApplyEdits With Global Ids: true
Supports ApplyEdits By Upload Id: true
Edit Fields Info:
- Creation Date Field: crdt
- Creator Field: crid
- Edit Date Field: updt
- Editor Field: upid
Supports Query With Historic Moment: false
Supports Coordinates Quantization: true
Supported Operations:
Query
Query Attachments
Calculate
Validate SQL
Generate Renderer
Return Updates
Metadata