Layer: Dissolved (External) (ID:1)

View In: Map Viewer

Name: Dissolved (External)

Display Field:

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Is View: true

Is Updatable View: true

Source Schema Changes Allowed: true

Sources

Description: <div style="background-color:rgb(255, 255, 255); border:0px solid currentcolor; box-sizing:border-box; color:rgb(74, 74, 74); font-family:"Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; line-height:1.5; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;"><span style="font-family:inherit; font-size:large;"><font style="border:0px solid currentcolor; box-sizing:border-box; font-family:inherit; line-height:1.5;"><span style="border:0px solid currentcolor; box-sizing:border-box; line-height:1.5;"><strong>What is this data?</strong></span></font></span></div><div style="background-color:rgb(255, 255, 255); border:0px solid currentcolor; box-sizing:border-box; color:rgb(74, 74, 74); font-family:"Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; line-height:1.5; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;"> </div><p style="background-color:rgb(255, 255, 255); border:0px solid currentcolor; box-sizing:border-box; color:rgb(74, 74, 74); font-family:"Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; margin:0px 0px 1rem 0in; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;"><span style="font-family:inherit;"><span style="border:0px solid currentcolor; box-sizing:border-box; line-height:1.5;">This feature layer depicts land use within northeastern Illinois broken out into 57 categories. Parcels were dissolved on common land use types, and polygons were generated for non-parcel areas (e.g. road rights-of-way) and assigned a generic “non-parcel” category.</span></span></p><div style="background-color:rgb(255, 255, 255); border:0px solid currentcolor; box-sizing:border-box; color:rgb(74, 74, 74); font-family:"Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; line-height:1.5; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;"><div style="border:0px solid currentcolor; box-sizing:border-box; font-family:inherit; line-height:1.5;"><div style="border:0px solid currentcolor; box-sizing:border-box; font-family:inherit; line-height:1.5;"><span style="font-family:inherit; font-size:large;"><font style="border:0px solid currentcolor; box-sizing:border-box; font-family:inherit; line-height:1.5;"><span style="border:0px solid currentcolor; box-sizing:border-box; line-height:1.5;"><strong>How can it be used? What projects use this data?</strong></span></font></span></div><div style="border:0px solid currentcolor; box-sizing:border-box; font-family:inherit; line-height:1.5;"><br><span style="font-family:inherit;"><span style="border:0px solid currentcolor; box-sizing:border-box; line-height:1.5;">Land Use data can be used for forecasting, land use and transportation modeling, existing conditions reports and general research.</span></span><br> </div><div style="border:0px solid currentcolor; box-sizing:border-box; font-family:inherit; line-height:1.5;"><span style="font-family:inherit; font-size:large;"><font style="border:0px solid currentcolor; box-sizing:border-box; font-family:inherit; line-height:1.5;"><span style="border:0px solid currentcolor; box-sizing:border-box; line-height:1.5;"><strong>Who created this data? How and when?</strong></span></font></span></div><div style="border:0px solid currentcolor; box-sizing:border-box; font-family:inherit; line-height:1.5;"> </div><div style="border:0px solid currentcolor; box-sizing:border-box; font-family:inherit; line-height:1.5;"><span style="font-family:inherit; font-size:medium;"><span style="border:0px solid currentcolor; box-sizing:border-box; line-height:1.5;">Data was created by CMAP staff, updating the previous 2020 inventory using Spring 2023 aerial photography as the base, supplemented by County Assessor files and other data.</span></span><br> </div><div style="border:0px solid currentcolor; box-sizing:border-box; font-family:inherit; line-height:1.5;"><span style="font-family:inherit; font-size:large;"><font style="border:0px solid currentcolor; box-sizing:border-box; font-family:inherit; line-height:1.5;"><span style="border:0px solid currentcolor; box-sizing:border-box; line-height:1.5;"><strong>Where can I find the latest data? How frequently is it updated?</strong></span></font></span></div><div style="border:0px solid currentcolor; box-sizing:border-box; font-family:inherit; line-height:1.5;"> </div><div style="border:0px solid currentcolor; box-sizing:border-box; font-family:inherit; line-height:1.5;"><span style="font-family:inherit; font-size:medium;"><span style="border:0px solid currentcolor; box-sizing:border-box; line-height:1.5;">Land Use Inventory files are considered final upon publication. New Land Use Inventories are produced every 3 to 5 years. They may be updated as necessary to correct data flaws, and the original files replaced. </span></span></div></div></div>

Copyright Text: Not restricted. Users are expected to cite the Chicago Metropolitan Agency for Planning (CMAP) as the source of these data.

Min. Scale: 83195

Max. Scale: 624

Default Visibility: true

Max Record Count: 2000

Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

Extent:

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Object ID Field: OBJECTID

Unique ID Field:

Global ID Field: GlobalID

Type ID Field:

Fields:

OBJECTID (type: esriFieldTypeOID, alias: OBJECTID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
COUNTY (type: esriFieldTypeString, alias: COUNTY, SQL Type: sqlTypeOther, length: 3, nullable: true, editable: true)
LANDUSE (type: esriFieldTypeString, alias: LANDUSE, SQL Type: sqlTypeOther, length: 4, nullable: true, editable: true, Coded Values: [1111: RES_SF_DETACHED], [1112: RES_SF_ATTACHED], [1130: RES_MF], ... 53 more ...)
LANDUSE2 (type: esriFieldTypeString, alias: LANDUSE2, SQL Type: sqlTypeOther, length: 20, nullable: true, editable: true)
FAC_NAME (type: esriFieldTypeString, alias: FAC_NAME, SQL Type: sqlTypeOther, length: 100, nullable: true, editable: true)
OS_MGMT (type: esriFieldTypeString, alias: OS_MGMT, SQL Type: sqlTypeOther, length: 4, nullable: true, editable: true, Coded Values: [MUNI: Municipality/Park District/Township], [CNTY: County], [STA: State], ... 2 more ...)
PLATTED (type: esriFieldTypeString, alias: PLATTED, SQL Type: sqlTypeOther, length: 1, nullable: true, editable: true, Coded Values: [R: Platted Residential], [C: Platted Commercial], [I: Platted Industrial], ... 1 more ...)
MODIFIER (type: esriFieldTypeString, alias: MODIFIER, SQL Type: sqlTypeOther, length: 1, nullable: true, editable: true, Coded Values: [M: Multi-use], [S: Stalled construction], [T: Transitional])
Shape__Area (type: esriFieldTypeDouble, alias: Shape__Area, SQL Type: sqlTypeDouble, nullable: true, editable: false)
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Templates:

Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 5/7/2026 4:35:31 PM

Schema Last Edit Date: 5/7/2026 4:35:31 PM

Data Last Edit Date: 3/10/2026 9:44:00 PM

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