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City dataMaps & Geospatial
Atomic Polygons
Published by Department of City Planning (DCP) · Updated 05/26/2026 · Quarterly
- Last updated
- 05/26/2026
- First published 06/05/2025
- Update frequency
- Quarterly
- Formats
- 4
- CSV, JSON, GeoJSON
- Coverage
- New York
- City in New York
About this dataset
Atomic polygons serve as a set of basic building blocks for generating the polygons of many of the district types represented in the NYC Street Centerline (CSCL) database. Feature classes such as election district, school district, census block, FDNY administrative company, and community district can be dissolved by combining the appropriate fields in atomic polygons.
All previously released versions of this data are available on the DCP Website: BYTES of the BIG APPLE. Current version: 26b
Files and access
Links open the official government source
- CSV downloaddata.cityofnewyork.usCSV
- JSON (SODA API)data.cityofnewyork.usJSON
- GeoJSONdata.cityofnewyork.usGeoJSON
- XMLdata.cityofnewyork.usXML
API endpoint: https://data.cityofnewyork.us/resource/wgbs-damt.json
Links open outside websites we do not control.
Frequently asked questions
- Who publishes Atomic Polygons?
- Department of City Planning (DCP), part of City of New York, publishes this dataset on NYC Open Data.
- How often is it updated?
- The publisher lists the update frequency as quarterly. The last update was on 05/26/2026.
- How do I download it?
- It is available as CSV, JSON, GeoJSON, XML. Use the links in Files and access, which open the official government source.
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Where this catalog comes from
- Data.gov CatalogU.S. General Services Administration
- State and local open data portalsSocrata Discovery API
- State and city CKAN portalsCalifornia, Virginia, Boston, Houston and more
- Government ArcGIS Hub sitesCity and county GIS data
Catalog checked 10/24/2026
We list dataset descriptions only. Downloads and APIs link straight to the official government source, which holds the current version and its terms of use.
Source: NYC Open Data and Data.gov · Last updated 10/24/2026 · Listing only; the data stays with the publisher
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