Description: 2020 Census Tract boundaries as supplied by the U.S. Census Bureau, and acquired from the Maricopa Association of Governments (MAG). Census Tracts are the largest units used by the Census Bureau for demographic tabulation.
Known Errors/Qualifications: Population and ethnicity data for selected categories has been populated by MAG.
Lineage: 20211221 - MAG data selected for Pima County.
Spatial Domain: Pima County
Rectified: TIGER
Maintenance Organization: PC ITD GIS
Library Input: GDB Stage
Primary Source Organization: US Census Bureau
Primary Source Document: 2020 PL94-171 data release
Primary Source Date: 2020
Secondary Source Organization: Maricopa Association of Governments
Secondary Source Date: 2020
Secondary Source Format: Geodatabase
GIS Contact: Steve Whitney