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Winnebago County, IL Parcels & GIS Data

Winnebago County, IL parcel data: 119,054 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Winnebago County, Illinois parcel data covering 119,054 property records.

This page documents parcel-level coverage for Winnebago County, Illinois. Each parcel record carries its boundary polygon (GIS geometry) along with attributes such as the parcel ID/APN, owner name and mailing address, situs (property) address, assessed land and improvement values, acreage, land-use and zoning codes, year built, and most recent sale price and date. Exact fill rates for Winnebago County are listed in the attribute-coverage table below. Preview the data in the interactive explorer, or download the complete Winnebago County property dataset.

Winnebago County is a county located in the U.S. state of Illinois. According to the 2020 census, it had a population of 285,350 making it the seventh most populous county in Illinois behind Cook County and its five surrounding collar counties. Its county seat is Rockford.

FIPS 17201

The FIPS code for Winnebago County is 17201.

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Attribute coverage

Winnebago County contains 119,054 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%119,054
parcelid100%119,054
parcelid287.4%104,047
ogparcelid100%119,054
ogparcelid2<0.1%0
parentid<0.1%0
stackid<0.1%0
geoid100%119,054
statefp100%119,054
countyfp100%119,054
countyname100%119,054
cousubfp100%119,054
cousubname100%119,054
tractce100%119,054
tractname100%119,054
taxacctnum<0.1%2
taxyear<0.1%0
taxdistrict<0.1%2
usecode<0.1%2
usedesc<0.1%0
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs<0.1%0
numunits<0.1%0
yearbuilt<0.1%0
numfloors<0.1%0
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue<0.1%0
landvalue<0.1%0
agvalue<0.1%0
totalvalue<0.1%0
taxacres<0.1%2
calcarea100%119,054
saleamt<0.1%0
saledate<0.1%0
ownertype<0.1%0
ownername100%119,040
owneraddr100%119,054
ownercity100%119,052
ownerstate100%119,052
ownerzip100%119,024
parceladdr100%119,053
parcelcity100%119,052
parcelstate<0.1%2
parcelzip<0.1%1
legaldesc100%119,052
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book<0.1%0
page<0.1%0
parceltype<0.1%0
accesstype<0.1%0
iucnclass<0.1%0
placename<0.1%0
placetype<0.1%0
firmid100%119,054
firmdate100%119,054
fldzone100%119,054
zonesubty97.7%116,357
staticbfe100%119,052
elevmin100%119,048
elevmax100%119,048
elevavg100%119,048
fireplaces<0.1%0
heating<0.1%0
heatfuel<0.1%0
cooling<0.1%0
foundation<0.1%0
roofcover<0.1%0
siding<0.1%0
updated<0.1%0
centroidx100%119,054
centroidy100%119,054
surfpointx100%119,054
surfpointy100%119,054
geom100%119,054
lrversion100%119,054

Neighboring counties

Parcel data for counties bordering Winnebago County:

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Attribute coverageNeighboring countiesRelated