Harris County Topological Faces With 2020 Census Geocodes

Topological polygon primitives from the U.S. Census Bureau's 2023 TIGER/Line database for Harris County, Texas. Each face includes unique identifiers and key geographic area codes for the 2020 Census and annual surveys, enabling the reconstruction of various administrative boundaries. The data is part of a seamless national file designed to have no overlaps or gaps.

Use Cases

• Build geometries for Census tracts by dissolving face polygons on the Census Tract Number attribute.
• Analyze spatial relationships between County Subdivision Fips Code and Block Group boundaries using topological face primitives.
• Map 5-digit Zip Code Tabulation Area boundaries by aggregating face geometries based on the corresponding geocode field.

Strengths

• Data originates from the authoritative U.S. Census Bureau Master Address File / TIGER Database (MTDB).
• The national MTDB source is designed as a seamless file with no overlaps or gaps between geographic parts.
• Includes key geographic area codes for all areas tabulated in the 2020 Census and annual surveys.

Limitations

• Sample data and specific row/column counts are unavailable, making initial assessment of data volume and structure difficult.
• The dataset is specific to Harris County, Texas, limiting direct analysis of broader regional or national patterns without combining other files.
• The description does not specify the update frequency for this specific extract, only referencing the 2023 TIGER/Line release.

Provenance

Source

U.S. Census Bureau, Department of Commerce

Collection Method

Extract of selected geographic and cartographic information from the Master Address File / Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) Database.

Time Range

Based on the 2023 TIGER/Line release, containing codes for the 2020 Census.

Freshness

Last updated on 2025-08-10, based on the 2023 TIGER/Line release.

Geography

Harris County, Texas, United States.