Sequatchie County TN Topological Faces with Census Geocodes

Sequatchie County, Tennessee, contains a U.S. Census Bureau shapefile of topological polygon faces. Each face includes key geographic area codes for 2020 Census and annual survey data tabulation. The data is extracted from the national Master Address File/Topologically Integrated Geographic Encoding and Referencing System.

Use Cases

• Dissolve face geometries on key geographic area codes like Census Tract Number or County Fips Code to build custom administrative boundaries.
• Analyze spatial relationships between different geographic layers using unique topological face identifiers (TFID).
• Join demographic or economic data to faces using common identifiers such as 5 digit zip code tabulation area code or Block Group.

Strengths

• Data is part of the national MAF/TIGER System, designed as a seamless file with no overlaps or gaps.
• Faces contain geocodes for multiple Census geographic areas, enabling flexible boundary construction.

Limitations

• Specific row count, column details, and sample data are unavailable for assessing dataset scale and structure.
• The dataset is limited to a single county, requiring combination with other files for broader regional or national analysis.

Provenance

Source

U.S. Census Bureau, Department of Commerce

Collection Method

Extract from the Master Address File/Topologically Integrated Geographic Encoding and Referencing System.

Time Range

Includes codes for 2020 Census and annual estimates/surveys.

Freshness

Current data, last updated December 2025.

Geography

Sequatchie County, Tennessee, USA.