New York City Congressional District Boundaries

Congressional Districts contains geospatial boundary data for U.S. Congressional Districts within New York City. The dataset is maintained by the New York City Department of City Planning and was last updated in March 2026. It includes geometric shapes and associated attributes for each district.

Use Cases

• Visualizing district boundaries using the_geom column for mapping applications.
• Calculating district area and perimeter metrics from Shape_Area and Shape_Length columns for comparative analysis.
• Joining demographic or election result data using the CongDist column as a geographic key.
• Analyzing changes in district shapes over time by comparing different versions of the dataset.

Strengths

• Geospatial data directly from the NYC Department of City Planning, an authoritative source.
• Multiple file formats available including CSV, JSON, XML, and RDF for flexibility.

Limitations

• Unknown total row count and sample data unavailable for preview.
• Dataset scope is limited to New York City, not national coverage.

Provenance

Source

New York City Department of City Planning via data.cityofnewyork.us.

Collection Method

Officially defined and maintained political boundaries.

Time Range

Current version as of March 2026; historical versions are archived.

Freshness

Last updated March 2026.

Geography

New York City, USA.