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Lake County, IL Parcels & GIS Data

Lake County, IL parcel data: 322,690 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Lake County, Illinois parcel data covering 322,690 property records.

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

Lake County is a county located in the northeastern corner of the U.S. state of Illinois, along the shores of Lake Michigan. As of the 2020 census, it has a population of 714,342, making it the third-most populous county in Illinois. Its county seat is Waukegan, the tenth-largest city in Illinois.

FIPS 17097

Official county website: https://www.lakecountyil.gov/3942/Data-Extract

The FIPS code for Lake County is 17097.

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Attribute coverage

Lake County contains 322,690 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%322,690
parcelid100%322,690
parcelid2<0.1%0
ogparcelid100%322,690
ogparcelid2<0.1%0
parentid<0.1%0
stackid<0.1%0
geoid100%322,690
statefp100%322,690
countyfp100%322,690
countyname100%322,690
cousubfp100%322,690
cousubname100%322,690
tractce100%322,690
tractname100%322,690
taxacctnum<0.1%0
taxyear<0.1%0
taxdistrict<0.1%0
usecode86.0%277,439
usedesc86.0%277,439
zoningcode86.3%278,634
zoningdesc<0.1%0
numbldgs78.9%254,724
numunits<0.1%0
yearbuilt67.6%218,275
numfloors67.6%218,275
bldgsqft2.5%8,099
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue72.3%233,266
landvalue82.4%265,788
agvalue<0.1%0
totalvalue82.4%265,788
taxacres<0.1%0
calcarea100%322,690
saleamt43.2%139,488
saledate69.9%225,642
ownertype86.3%278,634
ownername86.3%278,634
owneraddr86.3%278,634
ownercity86.3%278,608
ownerstate86.3%278,516
ownerzip86.3%278,467
parceladdr99.5%321,197
parcelcity99.5%321,194
parcelstate100%322,690
parcelzip100%322,690
legaldesc86.3%278,634
township100%322,617
section100%322,617
qtrsection100%322,617
range100%322,617
plssdesc100%322,617
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype2.4%7,772
accesstype2.4%7,772
iucnclass1.1%3,692
placename9.1%29,496
placetype9.0%29,094
firmid100%322,668
firmdate100%322,668
fldzone100%322,668
zonesubty95.6%308,629
staticbfe2.0%6,306
elevmin99.8%322,015
elevmax99.8%322,015
elevavg99.8%322,015
fireplaces38.5%124,224
heating67.6%218,133
heatfuel67.6%218,133
cooling67.6%218,275
foundation<0.1%0
roofcover<0.1%0
siding<0.1%0
bldgtype<0.1%0
naicscode9.1%29,496
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated86.3%278,634
centroidx100%322,690
centroidy100%322,690
surfpointx100%322,690
surfpointy100%322,690
geom100%322,690
extras100%322,690
ownerlist85.6%276,103
placefp87.8%283,354
zoningurl<0.1%0

Schema mapping

How source columns from the acquired Lake County GIS layers map into the harmonized entity schemas and assemble into the published parcel table, alongside supplemented fields (elevation, flood zone) and deterministic columns.

Schema mapping — Lake County, Illinois (17097) 1 entity · most recent acquisition per entity · generated 2026-08-30 direct column transformed (expression) geometry extras json supplemented determined ALL ENTITIES → FINAL PARCEL SCHEMA Harmonized entity columns assemble into publish.parcel_layer — matched by column name. Supplemented fields show their fill rate in this county. SOURCE COLUMNS HARMONIZED ENTITIES PUBLISH.PARCEL_LAYER PARCEL pin geom 6 cols ⇢ parcelid geom extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 86.3% updated geom · derived from geometry geom dem.us_1m · USGS 1m DEM 100% elevmin 100% elevmax 100% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 95.6% zonesubty 2.0% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 86.0% usecode 86.0% usedesc 86.3% zoningcode 78.9% numbldgs 67.6% yearbuilt 67.6% numfloors 72.3% imprvalue 82.4% landvalue 82.4% totalvalue 69.9% saledate 86.3% ownertype 86.3% ownername 86.3% owneraddr 86.3% ownercity 86.3% ownerstate 86.3% ownerzip 100% parceladdr 100% parcelcity 100% parcelstate 100% parcelzip 86.3% legaldesc 100% township 100% section 100% qtrsection 100% range 100% plssdesc 67.6% heating 67.6% heatfuel 67.6% cooling 85.6% ownerlist 87.8% placefp lrid parcelid ogparcelid geoid statefp countyfp countyname cousubfp cousubname tractce tractname usecode usedesc zoningcode numbldgs yearbuilt numfloors imprvalue landvalue totalvalue calcarea saledate ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip legaldesc township section qtrsection range plssdesc firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg heating heatfuel cooling updated centroidx centroidy surfpointx surfpointy geom extras ownerlist placefp publish.parcel_layer columns not fed by these sources (37) — empty or below 50% fill in this county parcelid2, ogparcelid2, parentid, stackid, taxacctnum, taxyear, taxdistrict, zoningdesc, numunits, bldgsqft, bedrooms, halfbaths, fullbaths agvalue, taxacres, saleamt, book, page, block, lot, parceltype, accesstype, iucnclass, placename, placetype, fireplaces, foundation, roofcover siding, bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit, zoningurl PARCEL 2 mapped · 6 kept in extras · 52 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL pin geom parcelid geom extras · 6 source columns preserved as json startdate, enddate, displaystartdate, displayenddate shape_starea__, shape_stlength__ extras not present in source — filled with NULL (52) parcelid2, taxacctnum, taxyear, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms halfbaths, fullbaths, imprvalue, landvalue, agvalue, totalvalue, taxacres, saleamt, saledate, ownername, owneraddr, ownercity, ownerstate ownerzip, parceladdr, parcelcity, parcelstate, parcelzip, legaldesc, township, section, qtrsection, range, plssdesc, book, page, block, lot updated, sourceurl, taxdistrict, parentid, fireplaces, heating, cooling, foundation, roofcover, siding, heatfuel

Neighboring counties

Parcel data for counties bordering Lake County:

Frequently asked questions

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

Land Records publishes a Lake 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 Lake County, IL dataset as a GeoPackage or CSV.

How many parcels are in Lake County, IL?

The current dataset contains 322,690 parcel records for Lake County, IL, each with its boundary geometry and assessor attributes.

What is the FIPS code for Lake County, IL?

The FIPS code for Lake County, IL is 17097.

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

Each Lake 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 Lake County, IL parcel data free?

You can preview Lake 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 Lake County, IL have an official GIS or property records website?

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated