Pima County Geographic Information Systems logo

GIS Library Contents - Metadata

Census Block Groups - 2012

Layer Thumbnail Map

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


Descriptive nameCensus Block Groups - 2012
File namecen2012g
Spatial domainPima County
AbstractThis is an update of the cen2010g layer containing American Community Survey 5-year averages from 2008-2012. Raw 2010 Census Block Group boundaries as supplied by the U.S. Census Bureau. Census Block Groups are the intermediate unit between Blocks and Tracts, used by the Census Bureau for demographic tabulation.
Known errors/qualificationsPopulation and ethnicity data for selected categories has been aggregated from the Block layer CEN2010B.
Feature typepolygon
Feature count 630
Thumbnail Map cen2012g.pdf PDF file format   (839,883 bytes, PDF created 07/19/2022 )
ProjectionNAD83 HPGN (Parameters)
Rectificationparcel
Field/value metadata Field metadata
Source organizationUS Census Bureau
Source contact
Source document or file name2010 TIGER files
Source date2010
Source scale
Source formatShape
Date of last data update
(This date may not be current.)
20151117
Last data update byFelipe Morales
Date/time last touched - Meaning? 2021-03-03  10:35 PM - Enterprise GDB
  2021-03-03  10:35 PM - Shapefile - Library input format
  See coverage files, if any, for date.
Lineage11/17/15- Outside boundary adjusted to match pima_all.
On maintenance?Not required
Maintenance organizationPC ITD GIS
Maintenance description
Original conversion bySteve Whitney
Pima County ITD GIS contactSteve Whitney
Alternate Pima County ITD GIS contacte-mail address
On  Pima County Geospatial Data Portal? No

See Metadata Field Descriptions.
Back button GIS Library Data Layer Metadata search page.