Dade County GA Topological Faces With 2020 Census Geocodes

U.S. Census Bureau provides a TIGER/Line shapefile of topological face polygons for Dade County, Georgia. It includes key geographic area codes used for tabulating 2020 Census and survey data. The data is designed to be a seamless, standalone extract from the national MAF/TIGER Database.

Use Cases

• Dissolve face geometries on key geographic area codes to build geometries for specific Census tracts or block groups.
• Analyze the topological relationships between faces and edges for spatial data validation in Dade County.
• Use the unique topological face identifier (TFID) to join this polygon data with other Census attribute tables.

Strengths

• Data originates from the authoritative U.S. Census Bureau MAF/TIGER Database, ensuring national standards.
• The dataset is designed as a seamless national file with no overlaps or gaps between geographic parts.
• Includes key geographic area codes for all areas used in 2020 Census tabulation and annual surveys.

Limitations

• The dataset is specific to Dade County, Georgia, limiting broader geographic analysis without combining other files.
• Sample data and specific row/column counts are unavailable, making initial assessment of data volume difficult.
• The description does not specify the update frequency for this specific county-level extract.

Provenance

Source

U.S. Census Bureau, Department of Commerce

Collection Method

Extract from the Master Address File / Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) Database.

Time Range

2020 Census reference period.

Freshness

Last updated on 2024-01-27.

Geography

Dade County, Georgia, United States.