Warren County, IL Parcels & GIS Data

Warren County, IL parcel data: 14,189 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Warren County, Illinois parcel data covering 14,189 property records.

This page documents parcel-level coverage for Warren 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 Warren County are listed in the attribute-coverage table below. Preview the data in the interactive explorer, or download the complete Warren County property dataset.

Warren County is a county in the U.S. state of Illinois. According to the 2020 census, it had a population of 16,835. Its county seat is Monmouth.

FIPS 17187

Official county website: http://www.warrencountyil.com

The FIPS code for Warren County is 17187.

MercerMcDonoughHendersonKnoxWarren
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Attribute coverage

Warren County contains 14,189 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL). For the LBCS columns, only real classifications count: the to-be-determined and not-applicable placeholder codes are excluded.

ColumnCoverageRecords populated
lrid100%14,189
parcelid99.6%14,126
parcelid299.6%14,126
ogparcelid99.6%14,126
ogparcelid299.6%14,126
parentid<0.1%0
stackid<0.1%0
geoid100%14,189
statefp100%14,189
countyfp100%14,189
countyname100%14,189
cousubfp100%14,189
cousubname100%14,189
tractce100%14,189
tractname100%14,189
taxacctnum100%14,189
taxyear99.6%14,126
taxdistrict99.6%14,126
usecode99.6%14,126
usedesc99.6%14,126
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs<0.1%0
numunits<0.1%0
yearbuilt<0.1%0
numfloors<0.1%0
bldgsqft99.6%14,126
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue52.9%7,506
landvalue62.6%8,881
agvalue38.1%5,407
totalvalue94.0%13,332
taxacres99.6%14,126
calcarea100%14,189
saleamt35.7%5,067
saledate40.2%5,705
ownertype<0.1%0
ownername99.6%14,126
owneraddr99.6%14,126
ownercity99.6%14,126
ownerstate99.6%14,126
ownerzip99.6%14,126
parceladdr99.6%14,126
parcelcity99.6%14,126
parcelstate100%14,189
parcelzip100%14,189
legaldesc99.6%14,126
township100%14,187
section100%14,187
qtrsection100%14,187
range100%14,187
plssdesc100%14,187
book51.3%7,276
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype<0.1%7
accesstype0.3%46
iucnclass0.1%8
placename3.0%428
placetype2.9%414
firmid100%14,189
firmdate100%14,189
fldzone100%14,189
zonesubty96.8%13,742
staticbfe0.1%19
elevmin93.6%13,277
elevmax93.6%13,277
elevavg93.6%13,277
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
naicscode<0.1%0
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated<0.1%0
centroidx100%14,189
centroidy100%14,189
surfpointx100%14,189
surfpointy100%14,189
geom100%14,189
extras100%14,189
ownerlist<0.1%0
placefp<0.1%0
zoningurl<0.1%0
lbcsactivity94.7%13,437
lbcsfunction94.7%13,436
lbcstype94.6%13,428
lbcscharacter96.2%13,647
lbcsownership99.6%14,128
sourceurl<0.1%0

Neighboring counties

Parcel data for counties bordering Warren County:

Frequently asked questions

Where can I find Warren County, IL parcel and GIS data?

Land Records publishes a Warren County, IL parcel dataset in which every parcel carries its boundary polygon (GIS geometry) along with ownership, assessed value, land use, acreage, and sale history. Preview it in the interactive explorer on this page, or download the full Warren County, IL dataset as a GeoPackage or CSV.

How many parcels are in Warren County, IL?

The current dataset contains 14,189 parcel records for Warren County, IL, each with its boundary geometry and assessor attributes.

What is the FIPS code for Warren County, IL?

The FIPS code for Warren County, IL is 17187.

What information does each Warren County, IL parcel record include?

Each Warren County, IL parcel record includes 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 the most recent sale price and date — plus the parcel boundary polygon. Per-attribute fill rates are listed in the coverage table on this page.

Is Warren County, IL parcel data free?

You can preview Warren County, IL parcels for free in the interactive explorer. The complete dataset is available as a one-time download or through the nationwide parcel web service; see the download options on this page for current pricing.

Does Warren County, IL have an official GIS or property records website?

Yes — the official Warren County, IL government website is linked in the county details above. Land Records standardizes Warren County, IL assessor and recorder records into a single nationwide parcel schema with GIS boundary geometry.

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