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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
ogparcelid287.4%104,047
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%2
taxdistrict<0.1%2
usecode<0.1%2
usedesc<0.1%0
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs88.8%105,723
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%2
agvalue<0.1%0
totalvalue<0.1%2
taxacres<0.1%2
calcarea100%119,054
saleamt<0.1%0
saledate<0.1%0
ownertype100%119,040
ownername100%119,054
owneraddr100%119,054
ownercity100%119,052
ownerstate100%119,052
ownerzip100%119,052
parceladdr100%119,054
parcelcity100%119,054
parcelstate100%119,054
parcelzip100%119,054
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
block<0.1%0
lot<0.1%0
parceltype<0.1%0
accesstype<0.1%0
iucnclass<0.1%0
placename4.1%4,839
placetype4.0%4,753
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
bldgtype<0.1%0
naicscode1.4%1,653
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%119,054
centroidx100%119,054
centroidy100%119,054
surfpointx100%119,054
surfpointy100%119,054
geom100%119,054
extras<0.1%2
lrversion100%119,054

Neighboring counties

Parcel data for counties bordering Winnebago County:

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Attribute coverageNeighboring countiesRelated