Chambers County TX Topological Faces With 2020 Census Geocodes

A 2025 extract from the U.S. Census Bureau's MAF/TIGER System provides polygon topological primitives for Chambers County, Texas. It contains the areal faces used to build all Census geographic areas for the 2020 Census and annual surveys. Each face includes a unique TFID and key geographic area codes for data tabulation.

Use Cases

• Dissolve face geometries on the County Fips Code to build the complete county boundary for Chambers County.
• Aggregate topological faces using the Census Tract Number to reconstruct tract-level geographies for demographic analysis.
• Filter faces by the Landwater Flag to separate land area polygons from water bodies for land use mapping.
• Use the Block Group code associated with each face to assemble block group boundaries for small-area population studies.

Strengths

• Data is extracted from the seamless, national MAF/TIGER System which has no overlaps or gaps.
• Includes key geographic codes for all areas used in 2020 Census and annual survey tabulations.
• Each topological face has a unique topological face identifier (TFID) for precise reference.

Limitations

• The dataset is specific to a single county (Chambers, TX), limiting broader geographic analysis without combining other files.
• Sample data and specific row/column counts are unavailable, making initial assessment of data volume and structure difficult.
• The description does not specify the update frequency for this specific county extract, only its 2025 publication date.

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) System.

Time Range

Current data as of the 2020 Census reference period.

Freshness

Last updated on 2025-12-25.

Geography

Chambers County, Texas, United States.