Warren County Iowa Feature Names Relationship File 2023

2023 TIGER/Line data provides a relationship file linking geographic feature names to their underlying linear features and address ranges for Warren County, Iowa. The file is produced by the U.S. Census Bureau from its Master Address File/TIGER Database. It enables the association of street names with specific address ranges and map edges.

Use Cases

• Link street names from the 'Name' field to specific address ranges using the address range identifier (ARID) for geocoding applications.
• Associate linear geographic features identified by 'LINEARID' with their official names and attributes like 'Prefix Direction Code' or 'Suffix Type Code' for map labeling.
• Connect feature name records to specific map edges in the All Lines Shapefile using the permanent edge identifier (TLID) for spatial network analysis.
• Analyze naming conventions and feature classifications using codes such as 'Maftiger Feature Class Code' and 'Primaryalternate Code' within a county.

Strengths

• Data is sourced from the authoritative U.S. Census Bureau Master Address File/TIGER Database, ensuring national consistency.
• Provides specific 2023 coverage for Warren County, Iowa, offering current geographic information.
• Includes relational attributes like ARID, LINEARID, and TLID that enable precise linking to other TIGER/Line shapefiles.

Limitations

• The dataset is limited to a single county (Warren County, IA), restricting analyses to a small geographic area.
• Row count and file size are unknown, making it difficult to assess the scale of data processing required.
• As a relationship file, it requires joining with other TIGER/Line shapefiles (e.g., EDGES.shp, ADDR.dbf) for full contextual use, adding complexity.

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

2023

Freshness

Data reflects the 2023 TIGER/Line release, last updated in the catalog on August 11, 2025.

Geography

Warren County, Iowa, United States