GIS Library Contents - Metadata Census Blocks - 2020

This metadata information is subject to our disclaimer. Metadata information presented here is maintained manually. Therefore, date-sensitive fields such as date of last update may not be up-to-date. All metadata is subject to errors inherent in a manual process.

Descriptive name		Census Blocks - 2020
File name		cen2020b
Spatial domain		Pima County
Abstract		2020 Census Block boundaries as supplied by the U.S. Census Bureau, and acquired from the Maricopa Association of Governments (MAG). Census Blocks are the smallest unit used by the Census Bureau for demographic tabulation. See more information.
Known errors/qualifications		This is the P.L. 94-171 Redistricting Data release of this layer/data by the Census Bureau. Population and ethnicity data for selected categories has been populated by MAG.
Feature type		polygon
Feature count		16,635
Thumbnail Map		cen2020b.pdf    (3,715,431 bytes, PDF created 07/19/2022 )
Projection		NAD83 HPGN (Parameters)
Rectification		TIGER
Field/value metadata		Field metadata
Source organization		US Census Bureau
Source contact
Source document or file name		2020 PL94-171 data release
Source date		2020
Source scale
Source format		Unknown
Second source name		Maricopa Association of Governments
Second source contact
Second source document or file name
Second source date		2020
Second source scale
Second source format		Geodatabase
Date of last data update (This date may not be current.)		20201221
Last data update by		Steve Whitney
Date/time last touched - Meaning?		2022-02-15  03:44 PM - Enterprise GDB - Library input format
		2022-06-06  01:43 AM - Shapefile
		See coverage files, if any, for date.
Lineage		20211221 - MAG data selected for Pima County.
On maintenance?		Not required
Maintenance organization		PC ITD GIS
Maintenance description
Original conversion by		Steve Whitney
Pima County ITD GIS contact		Steve Whitney
Alternate Pima County ITD GIS contact
On  Pima County Geospatial Data Portal?		Yes

 GIS Library Data Layer Metadata