Last Updated:
2026-Q2
Parcels in County:
1,410,757
Parcel data available to download as a GDB, GeoPackage, Shapefile, Excel, CSV, or Google Earth KML file.
All purchased data comes with six months of access, including any updates, at no additional cost.
Key attribute coverage for Cook County
The percentage of Cook County parcels containing the following key attributes:
Owner: 91.3%
Parcel Number: 100%
Acreage (Calculated): 100%
Site Address: 99.7%
Mailing Address: 97.7%
All available attributes in Cook County
Parcel Number
Site Address
Owner
Building Size
Neighborhood Code
Land Use Code
Land Use Class
Zoning
Acreage (calculated)
Perimeter
Municipality
School District
Zip Code
Flood Zone
Flood Zone Subtype
Census Tract
Census Block Group
Census Block
Total Market Value
Land Market Value
Building Market Value
Mail Address1
Exterior
Buildings
Addr Sec Unit Num
Place Gnis Code
Land Cover
Elevation
Owner Occupied
Robust Id
Usps Residential
Alt Id 1
Alt Id 2
Plss Description
Plss Township
Plss Range
Plss Section
Crop Cover
Acreage Adjacent With Sameowner
Flood Zones
Nearest Transmission Line Dist Ft
Nearest Substation Dist Ft
Derived Geom Properties
Robust Id Source
Municipalities Respresented in Cook County
Thornton Township: 75,173
Barrington Township: 7,409
Berwyn Township: 14,855
Bloom Township: 39,513
Bremen Township: 45,777
Calumet Township: 6,767
Chicago City: 603,278
Cicero Township: 17,004
Elk Grove Township: 21,757
Hanover Township: 28,101
Lemont Township: 9,536
Leyden Township: 29,146
Lyons Township: 38,235
Maine Township: 40,090
New Trier Township: 21,018
Niles Township: 37,523
Northfield Township: 27,521
Norwood Park Township: 9,057
Oak Park Township: 13,600
Orland Township: 32,120
Palatine Township: 30,680
Palos Township: 16,924
Proviso Township: 52,342
Rich Township: 26,155
River Forest Township: 3,430
Riverside Township: 6,073
Schaumburg Township: 33,332
Stickney Township: 14,666
Wheeling Township: 40,939
Worth Township: 52,495
Evanston City: 16,201
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