Name: 2020 Census Block Groups

Display Field: ObjectID

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: <div style='text-align:center;'><font color='#000000' size='5'>U.S. Census Block Groups</font></div><div style='text-align:center;'><font color='#000000' size='4'><br /></font></div><div style='text-align:left;'><font size='4'><font color='#000000'>This feature layer, utilizing National Geospatial Data Asset (NGDA) data from the U.S. Census Bureau (USCB), displays Census block groups in the 50 states, the District of Columbia, and Puerto Rico.</font><font color='#000000'> Per the </font><a href='https://catalog.data.gov/dataset/series-information-for-block-group-state-based-tiger-line-shapefiles-current' target='_blank' rel='nofollow ugc noopener noreferrer'>USCB</a><font color='#000000'>, &quot;B</font><font color='#000000'>lock Groups (BGs) are clusters of blocks within the same census tract. Each census tract contains at least one BG, and BGs are uniquely numbered within census tracts. BGs have a valid code range of 0 through 9. BGs have the same first digit of their 4-digit census block number from the same decennial census. </font><font color='#000000'>BGs coded 0 are intended to only include water area, no land area, and they are generally in territorial seas, coastal water, and Great Lakes water areas. Block groups generally contain between 600 and 3,000 people. A BG usually covers a contiguous area but never crosses county or census tract boundaries. They may, however, 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&quot;.</font></font></div><div style='text-align:left;'><font color='#000000'><font size='4'><br /></font></font></div><div style='text-align:center;'><img alt='USA Block Groups' src='https://fedmaps.maps.arcgis.com/sharing/rest/content/items/a56590c8595a4509bff054395a9871ed/data' /><font color='#000000'><font size='4'><br /></font></font></div><div style='text-align:center;'><i><font size='4'>Block Group 2 - Census Tract 010400 (Santa Fe, NM area)</font></i></div><div style='text-align:center;'><br /></div><div style='text-align:left;'><font size='4'><font><div><font color='#000000' style='color:rgb(0, 0, 0); font-family:inherit;'><b>Data version: </b>This cached Esri federal service is checked weekly for updates from its enterprise federal source (</font><a href='https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Tracts_Blocks/MapServer/1' target='_blank' rel='nofollow ugc noopener noreferrer'>Census Block Groups</a><font color='#000000'>) and will support mapping, analysis, data exports and OGC API – Feature access.</font><br /></div><div style='color:rgb(0, 0, 0); font-family:inherit;'><font color='#000000' style='font-family:inherit;'><b>NGDAID:</b><font style='font-family:inherit;'> </font></font><a href='https://ngda-portfolio-community-geoplatform.hub.arcgis.com/pages/portfolio' target='_blank' rel='nofollow ugc noopener noreferrer'>70 (Series Information for Block Group State-based TIGER/Line Shapefiles, Current)</a><br /></div><div style='font-family:inherit;'><font style='color:rgb(0, 0, 0); font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif;'><b>OGC API Features Link:</b> (</font><a href='https://fedmaps.maps.arcgis.com/home/item.html?id=96ac130f6b7b4ef6be1bb84b650b88c0&amp;view=service' target='_blank' rel='nofollow ugc noopener noreferrer'>U.S. Census Block Groups - OGC Features</a><span style='color:rgb(0, 0, 0); font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif;'>) </span><font style='color:rgb(0, 0, 0); font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif;'>copy this link to embed it in OGC Compliant viewers</font></div></font><font color='#000000' style='font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif;'></font></font><font size='4'><font color='#000000' style='font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif;'><b>For more information, please visit: </b></font><a href='https://www.census.gov/newsroom/blogs/random-samplings/2011/07/what-are-census-blocks.html' style='color:rgb(0, 94, 149);' target='_blank' rel='nofollow ugc noopener noreferrer'>What are census blocks?</a></font><font color='#000000' style='font-family:inherit;'><div style='font-family:inherit;'><font size='4'><font style='font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; color:rgb(77, 77, 77);'><font color='#000000' style='font-family:inherit;'><b>For feedback please contact:</b></font> </font><a href='mailto:Esri_US_Federal_Data@esri.com' style='color:rgb(0, 94, 149); text-decoration-line:none; font-family:inherit;' target='_blank' rel='nofollow ugc noopener noreferrer'><font style='font-family:inherit;'>Esri_US_Federal_Data@esri.com</font></a></font></div></font><font color='#000000' style='font-family:inherit;'><div style='font-size:large; font-family:inherit;'><br /></div><div style='font-family:inherit;'><div style='font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; text-align:center;'><font size='5' style='font-family:inherit;'>NGDA Data Set</font></div><div style='font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; text-align:center;'><font size='4' style='font-family:inherit;'><br /></font></div><div style='font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif;'><font style='font-family:inherit;'><div style='font-family:inherit;'><div style='font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; text-align:center;'><div style='font-family:inherit; text-align:left;'><div style='font-family:inherit;'><div style='font-family:inherit;'><font size='4' style='font-family:inherit;'><font color='#000000' style='font-family:inherit;'>This data set is part of the </font><a href='https://communities.geoplatform.gov/ngda-govunits/' style='color:rgb(0, 121, 193); text-decoration-line:none; font-family:inherit;' target='_blank' rel='nofollow ugc noopener noreferrer'>NGDA Governmental Units, and Administrative and Statistical Boundaries Theme Community</a><font color='#000000' style='font-family:inherit;'>.  Per the Federal Geospatial Data Committee (FGDC), this </font><a href='https://www.fgdc.gov/policyandplanning/a-16/appendixe/20170324-ngda-themes-fgdc-sc-revised-appendixe.pdf' style='color:rgb(0, 121, 193); text-decoration-line:none; font-family:inherit;' target='_blank' rel='nofollow ugc noopener noreferrer'>theme</a></font><font color='#000000' size='4' style='font-family:inherit;'> is defined as the &quot;boundaries that delineate geographic areas for uses such as governance and the general provision of services (e.g., states, American Indian reservations, counties, cities, towns, etc.), administration and/or for a specific purpose (e.g., congressional districts, school districts, fire districts, Alaska Native Regional Corporations, etc.), and/or provision of statistical data (census tracts, census blocks, metropolitan and micropolitan statistical areas, etc.). Boundaries for these various types of geographic areas are either defined through a documented legal description or through criteria and guidelines. Other boundaries may include international limits, those of federal land ownership, the extent of administrative regions for various federal agencies, as well as the jurisdictional offshore limits of U.S. sovereignty. Boundaries associated solely with natural resources and/or cultural entities are excluded from this theme and are included in the appropriate subject themes.&quot;</font></div></div><div style='font-size:16px; font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif !important;'><br /></div></div></div></div></font></div></div><div style='font-size:large;'><span style='font-family:inherit; color:rgb(76, 76, 76);'><font color='#000000' style='font-family:inherit;'>For other NGDA Content: </font></span><a href='https://fedmaps.maps.arcgis.com/home/group.html?id=8c90888d825d440a9e4754fda9e4e92e' style='color:rgb(0, 94, 149); text-decoration-line:none; font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:1.2019rem; text-overflow:ellipsis;' rel='nofollow ugc'>Esri Federal Datasets</a><br /></div></font></div>

Copyright Text: U.S. Census Bureau (USCB)

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Type ID Field: null

Fields:

• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )
• AREALAND ( type: esriFieldTypeDouble, alias: Land Area (Square Meters) )
• AREAWATER ( type: esriFieldTypeDouble, alias: Water Area (Square Meters) )
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• COUNTY ( type: esriFieldTypeString, alias: County FIPS Code, length: 3 )
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