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Layer: Chicago Communities (ID:19)

View In:   Map Viewer

Name: Chicago Communities

Display Field: community

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This polygon boundary layer represents the official 77 community areas of the City of Chicago. It is used as the fundamental geographic unit of analysis in the arson clustering, hotspot mapping, and emergency response modeling performed in this project.The layer supports spatial joins with arson incident points, population data, and calculated arson rates. It also serves as the framework for spatial statistics including Getis–Ord Gi* hotspot analysis and Local Moran’s I cluster/outlier classification. These boundaries are essential for aggregating data consistently and producing reliable spatial comparisons among neighborhoods.Temporal Scope of Associated Analysis: January 1 – December 31, 2020.

Copyright Text: Chicago Metropolitan Agency for Planning (CMAP)

Min. Scale: 0

Max. Scale: 0

Default Visibility: true

Max Record Count: 2000

Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

Extent:

Drawing Info:

HasZ: false

HasM: false

Has Attachments: false

Has Geometry Properties: true

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Object ID Field: OBJECTID

Unique ID Field:

Global ID Field:

Type ID Field:

Fields:
Templates:

Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 1/29/2026 9:55:41 PM

Schema Last Edit Date: 1/29/2026 9:55:41 PM

Data Last Edit Date: 1/29/2026 9:55:41 PM

Supported Operations:   Query   Query Pivot   Query Top Features   Query Analytic   Query Bins   Generate Renderer   Validate SQL   Get Estimates   ConvertFormat