Carroll County IA 2022 Census Feature Names Relationship File

Carroll County, Iowa's 2022 TIGER/Line Feature Names Relationship File links geographic features to their names and associated address ranges. It is part of the U.S. Census Bureau's national MAF/TIGER Database, designed for integration with other shapefiles like EDGES.shp and ADDR.dbf. The file includes attributes for linking features using identifiers like ARID, LINEARID, and TLID.

Use Cases

• Link street names to address ranges using the address range identifier (ARID) for geocoding applications in Carroll County.
• Analyze the distribution of feature types using the Maftiger Feature Class Code attribute for spatial planning.
• Join feature name records to the All Lines Shapefile (EDGES.shp) using the permanent edge identifier (TLID) for network analysis.
• Relate linear features to their official names via the linear feature identifier (LINEARID) for cartographic labeling.

Strengths

• Data originates from the authoritative U.S. Census Bureau MAF/TIGER Database, ensuring national consistency.
• Designed for integration with other TIGER/Line files (e.g., EDGES.shp, ADDR.dbf) via explicit linking attributes like TLID and ARID.
• Covers the complete geographic area of Carroll County, Iowa with no overlaps or gaps as part of a seamless national file.

Limitations

• The dataset is limited to a single county (Carroll County, IA), restricting broader regional analysis without combining other files.
• Specific row counts, file sizes, and data volume metrics are unavailable, making workload estimation difficult.
• As a 2022 snapshot, the data may not reflect recent changes in feature names or address ranges.

Provenance

Source

U.S. Census Bureau, Department of Commerce

Collection Method

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

Time Range

2022

Freshness

Data reflects the 2022 TIGER/Line release, with metadata last updated in January 2024.

Geography

Carroll County, Iowa, United States