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Description: The 2023 ARPA Qualified Census Tract dataset comprises polygons of census tracts for San Diego County. A census tract is a geographic region defined for the purpose of taking a census. Usually these coincide with the limits of cities, towns or other administrative areas and several tracts commonly exist within a county. In unincorporated areas, these are often arbitrary, except for coinciding with political lines. Census tracts are subdivided into block groups and census blocks. https://www.huduser.gov/portal/sadda/sadda_qct.html The TIGER/Line Files are to tl_2020_06_tract.shp was downloaded from https://www.census.gov/cgi-bin/geo/shapefiles/index.php. Features intersecting San Diego County boundary were extracted and projected to NAD 83 State Plane. The TIGER/Line Shapefiles are extracts of selected geographic and cartographic information from the Census Bureau's Master Address File (MAF)/topologically Integrated Geographic Encoding and Referencing (TIGER) Database (MTDB).The TIGER/Line Shapefiles contain a standard geographic identifier (GEOID) for each entity that links to the GEOID in the data from censuses and surveys.All Census Bureau generated shapefiles are in Global Coordinate System North American Datum of 1983 (GCS NAD83).The JUR_MUNICIPAL layer was used in the analysis to determine if an aspiring applicant is located in Unincorporated San Diego County. This layer is used as an overlay to locate and identify municipal jurisdictions for parcels, roads, addresses, and other data layers. The dataset is updated when SanGIS is notified by the San Diego Local Agency Formation Commission (LAFCO) of a recorded annexation or detachment and as a result of ongoing landbase maintenance activities. NOTE: The County Assessor's Office JUR_MUNICIPAL_ASR layer is the official Municipal Boundary layer; however, it is created for tax purposes and is only updated on an annual basis as required by state law. https://gis.sangis.org/maps/rest/services/Public/JUR_MUNICIPAL/FeatureServer The HLTH_HPI_3_0 layer is the California Health Places Index (HPI 3.0), which summarizes the healthiness of community conditions of California census tracts based on the distribution of 23 indicators of social determinants of health. The data originates from the Public Health Alliance of Southern California (2015). Eligibility for the compost distribution program requires a location in the lowest two quartile (0-50%, or Q1 and Q2) OR in an ARPA Qualified Census Tract AND in Unincorporated San Diego County. https://sdgis-sandag.opendata.arcgis.com/datasets/SANDAG::hlth-hpi-3-0/about. Slivers as a result of geoprocessing along the county boundary line were assigned attributes from the nearest feature. If two features were nearby, the feature was split and assigned the respective attributes.
Service Item Id: 7c5486a72f704c9eaa085d6fb2d70db7
Copyright Text: SANGIS using data provided by the United States Census Bureau (TIGER, 2023); Public Health Alliance of Southern California (2015); and SanGIS (2024).
Spatial Reference:
102646
(2230)
Initial Extent:
XMin: 6127630.0732092485
YMin: 1757581.2998320928
XMax: 6636570.663560947
YMax: 2147482.794535441
Spatial Reference: 102646
(2230)
Full Extent:
XMin: 6150763.740015969
YMin: 1775304.114074722
XMax: 6613437.0039720535
YMax: 2129760.018350482
Spatial Reference: 102646
(2230)
Units: esriFeet
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Supports Dynamic Layers: false
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