Dataset

Atomic Polygons

nyc.wgbs-damt
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About

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 <a href="https://www.nyc.gov/content/planning/pages/resources/datasets/atomic-polygons">DCP Website: BYTES of the BIG APPLE</a>. Current version: 26c

Cite as: Department of City Planning (DCP). Atomic Polygons. https://data.cityofnewyork.us/d/wgbs-damt

Publisher
City of New York
Tier
Official
Covers
not stated
Places
New York City
Updated
quarterly
Last modified
2026-11-02
Units
not stated
License
NYC Open Data Terms of Use
Method
https://www.nyc.gov/content/planning/pages/resources/datasets/atomic-polygons

Columns

NameTypeDescription
atomicidtextUnique ID for the atomic polygon.
censusblock_2020textString value of the 2020 census block number.
assemdisttextState Assembly district number.
water_flagtextFlag to indicate the relationship of the atomic polygon to water.
sb2_pagetextSecond Sanborn page the atomic polygon appears in.
censusblock_2020_suffixtextAn alphabetic suffix for the 2020 census block.
electdisttextThree digit election district number.
censustract_2020textString value of the 2020 census tract number.
sb1_pagetextFirst Sanborn page the atomic polygon appears in.
sb3_volumetextThird Sanborn volume the atomic polygon appears in.
boroughtextBorough code.
censusblock_2000textString value of the 2020 census tract number.
censusblock_2000_suffixtextAn alphabetic suffix for the 2000 census block.
censustract_2000textString value of the 2000 census tract number.
censusblock_2010textString value of the 2010 census block number.
censusblock_2010_suffixtextAn alphabetic suffix for the 2010 census block.
sb1_volumetextFirst Sanborn volume the atomic polygon appears in.
hurricane_evacuation_zonetextHurricane Evacuation Zone. New York City's hurricane contingency plans are based on six evacuation zones: 1, 2, 3, 4, 5, 6. The value of 0 represents represents water polygons and the value of X indicates land that is not part of an evacuation zone. (Note: field name may appear as "Hurricane_" in shapefile due to ESRI character limit)
admin_fire_companytextThe fire company number servicing the district.
atomic_numtextAtomic number is the 3 last digits of the Atomic ID. This field has been deprecated and is no longer maintained (all NULL values).
commdisttextCommunity district number preceded by BoroCode.
sb2_volumetextSecond Sanborn volume the atomic polygon appears in.
schooldisttextThe two digit school district number.
censustract_1990textString value of the 1990 census tract number.
sb3_pagetextThird Sanborn page the atomic polygon appears in.
shape_lengnumberLength of feature in internal units.
the_geommultipolygon
censustract_2010textString value of the 2000 census tract number.
shape_areanumberArea of feature in internal units squared.
commercial_waste_zonetextCommercial Waste Zones established as part of the Department of Sanitation's (DSNY) comprehensive plan for reforming the private carting industry.

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