Last Updated:
2026-Q3
Parcels in County:
1,864,160
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: 94.1%
Parcel Number: 100%
Acreage (Calculated): 100%
Site Address: 99.7%
Mailing Address: 99%
All available attributes in Cook County
Parcel Number
Site Address
Owner
Building Size
Neighborhood Code
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
Geom Id
Duplicate Geom Seq
Duplicate Geom Ct
Municipalities Respresented in Cook County
Thornton Township: 78,596
Barrington Township: 8,284
Berwyn Township: 15,592
Bloom Township: 41,064
Bremen Township: 52,602
Calumet Township: 7,162
Chicago City: 882,973
Cicero Township: 17,279
Elk Grove Township: 32,565
Hanover Township: 34,513
Lemont Township: 10,649
Leyden Township: 34,134
Lyons Township: 44,855
Maine Township: 53,271
New Trier Township: 23,203
Niles Township: 46,213
Northfield Township: 36,346
Norwood Park Township: 9,885
Oak Park Township: 18,777
Orland Township: 41,077
Palatine Township: 43,046
Palos Township: 23,070
Proviso Township: 56,188
Rich Township: 29,867
River Forest Township: 4,534
Riverside Township: 6,482
Schaumburg Township: 47,239
Stickney Township: 15,249
Wheeling Township: 60,157
Worth Township: 64,583
Evanston City: 24,670
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