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U.S. Census Block Groups<\/font><\/div>

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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> Per the <\/font>USCB<\/a>, "B<\/font>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>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".<\/font><\/font><\/div>

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USA Block Groups
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Block Group 2 - Census Tract 010400 (Santa Fe, NM area)<\/font><\/i><\/div>

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Data version: <\/b>This cached Esri federal service is checked weekly for updates from its enterprise federal source (<\/font>Census Block Groups<\/a>) and will support mapping, analysis, data exports and OGC API \u2013 Feature access.<\/font>
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NGDAID:<\/b> <\/font><\/font>70 (Series Information for Block Group State-based TIGER/Line Shapefiles, Current)<\/a>
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OGC API Features Link:<\/b> (<\/font>U.S. Census Block Groups - OGC Features<\/a>) <\/span>copy this link to embed it in OGC Compliant viewers<\/font><\/div><\/font><\/font><\/font>For more information, please visit: <\/b><\/font>What are census blocks?<\/a><\/font>
For feedback please contact:<\/b><\/font> <\/font>Esri_US_Federal_Data@esri.com<\/font><\/a><\/font><\/div><\/font>

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NGDA Data Set<\/font><\/div>

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This data set is part of the <\/font>NGDA Governmental Units, and Administrative and Statistical Boundaries Theme Community<\/a>.  Per the Federal Geospatial Data Committee (FGDC), this <\/font>theme<\/a><\/font> is defined as the "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."<\/font><\/div><\/div>

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For other NGDA Content: <\/font><\/span>Esri Federal Datasets<\/a>
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