Boone County, IL Parcels & GIS Data

Boone County, IL parcel data: 24,446 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Boone County, Illinois parcel data covering 24,446 property records.

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

Boone County is a county located in the U.S. state of Illinois. As of the 2020 census, the population was 53,448. Its county seat is Belvidere.

FIPS 17007

Official county website: http://www.boonecountyil.org

The FIPS code for Boone County is 17007.

DeKalbMcHenryWinnebagoOgleWalworthRockBoone
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Attribute coverage

Boone County contains 24,446 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%24,446
parcelid100%24,446
parcelid2100%24,446
ogparcelid100%24,446
ogparcelid2100%24,446
parentid<0.1%0
stackid<0.1%0
geoid100%24,446
statefp100%24,446
countyfp100%24,446
countyname100%24,446
cousubfp100%24,446
cousubname100%24,446
tractce100%24,446
tractname100%24,446
taxacctnum<0.1%0
taxyear<0.1%0
taxdistrict<0.1%0
usecode<0.1%0
usedesc27.6%6,745
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs50.2%12,269
numunits0.2%39
yearbuilt<0.1%0
numfloors0.2%39
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
taxacres100%24,446
calcarea100%24,446
saleamt<0.1%0
saledate<0.1%0
ownertype98.9%24,182
ownername98.9%24,182
owneraddr98.9%24,177
ownercity98.9%24,179
ownerstate98.9%24,179
ownerzip98.9%24,180
parceladdr90.2%22,043
parcelcity90.3%22,085
parcelstate100%24,446
parcelzip100%24,446
legaldesc99.6%24,350
township100%24,446
section100%24,446
qtrsection100%24,446
range100%24,446
plssdesc100%24,446
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype0.3%67
accesstype0.5%118
iucnclass0.3%80
placename3.5%855
placetype3.4%834
firmid100%24,446
firmdate100%24,446
fldzone100%24,446
zonesubty97.7%23,876
staticbfe<0.1%0
elevmin99.4%24,299
elevmax99.4%24,299
elevavg99.4%24,299
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
naicscode3.0%726
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated50.2%12,269
centroidx100%24,446
centroidy100%24,446
surfpointx100%24,446
surfpointy100%24,446
geom100%24,446
extras100%24,446
ownerlist82.3%20,112
placefp60.4%14,775
zoningurl<0.1%0
lbcsactivity28.1%6,870
lbcsfunction28.1%6,859
lbcstype30.8%7,539
lbcscharacter47.8%11,683
lbcsownership98.9%24,184
sourceurl<0.1%0

Schema mapping

How source columns from the acquired Boone 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 — Boone County, Illinois (17007) 2 entities · most recent acquisition per entity · generated 2026-10-17 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 pwd acres site_add site_city site_state site_zip legal township geom 1 cols ⇢ parcelid parcelid2 taxacres parceladdr parcelcity parcelstate parcelzip legaldesc township geom extras REFTABLE pin altpin acreage geom 10 cols ⇢ parcelid parcelid2 taxacres geom extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 50.2% updated geom · derived from geometry geom dem.us_1m · USGS 1m DEM 99.4% elevmin 99.4% elevmax 99.4% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 97.7% zonesubty 100% firmdate 100% firmid supplemented · derived / other pipelines 50.2% numbldgs 98.9% ownertype 98.9% ownername 98.9% owneraddr 98.9% ownercity 98.9% ownerstate 98.9% ownerzip 100% section 100% qtrsection 100% range 100% plssdesc 82.3% ownerlist 60.4% placefp 98.9% lbcsownership lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname numbldgs taxacres calcarea ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip legaldesc township section qtrsection range plssdesc firmid firmdate fldzone zonesubty elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist placefp lbcsownership publish.parcel_layer columns not fed by these sources (52) — empty or below 50% fill in this county parentid, stackid, taxacctnum, taxyear, taxdistrict, usecode, usedesc, zoningcode, zoningdesc, numunits, yearbuilt, numfloors, bldgsqft bedrooms, halfbaths, fullbaths, imprvalue, landvalue, agvalue, totalvalue, saleamt, saledate, book, page, block, lot, parceltype, accesstype iucnclass, placename, placetype, staticbfe, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid dfrurl, caapermit, cwapermit, rcrapermit, zoningurl, lbcsactivity, lbcsfunction, lbcstype, lbcscharacter, sourceurl PARCEL 10 mapped · 1 kept in extras · 44 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL pin pwd acres site_add site_city site_state site_zip legal township geom parcelid parcelid2 taxacres parceladdr parcelcity parcelstate parcelzip legaldesc township geom extras · 1 source columns preserved as json township_name extras not present in source — filled with NULL (44) taxacctnum, taxyear, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths fullbaths, imprvalue, landvalue, agvalue, totalvalue, saleamt, saledate, ownername, owneraddr, ownercity, ownerstate, ownerzip, section qtrsection, range, plssdesc, book, page, block, lot, updated, sourceurl, taxdistrict, parentid, heatfuel, fireplaces, heating, cooling foundation, roofcover, siding REFTABLE 4 mapped · 10 kept in extras · 117 unmapped (NULL) SOURCE COLUMNS HARMONIZED → REFTABLE pin altpin acreage geom parcelid parcelid2 taxacres geom extras · 10 source columns preserved as json entid, mslink, point_type, label_class, txt_angle, condoid acreage_cr, acreage_pl, acreage_misc, tscid extras not present in source — filled with NULL (117) taxacctnum, taxyear, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, bldgsqft, bedrooms, halfbaths, fullbaths imprvalue, landvalue, agvalue, totalvalue, saleamt, saledate, ownername, owneraddr, ownercity, ownerstate, ownerzip, parceladdr, parcelcity parcelstate, parcelzip, legaldesc, township, section, qtrsection, range, plssdesc, book, page, block, lot, zoningtype, zoningordinance zoningsetbacks, zoningrestrictions, landusecode, landusedesc, lbcsdimension, lbcscode, house, category, near, house_number, road, unit, level staircase, entrance, po_box, postcode, suburb, city_district, city, island, state_district, state, country_region, country, world_region bldgtype, numfloors, yearremodel, livingarea, bldgquality, bldgcondition, architecture, totalrooms, fireplaces, heating, cooling, foundation attic, atticsqft, intwall, extwall, roofstyle, roofcover, roofheight, fsagpfeet, siding, framing, basementsqft, attgaragesqft, detgaragesqft garagestalls, situsaddress, appraisedvalue, assessedvalue, boatlift, boatdock, boathouse, pool, gazebo, irrigation, riprap, solarium, carport greenhouse, openporch, enclporch, sauna, wooddeck, hottub, patio, shed, workshop, sourceurl, taxdistrict, parentid, heatfuel

Neighboring counties

Parcel data for counties bordering Boone County:

Frequently asked questions

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

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

How many parcels are in Boone County, IL?

The current dataset contains 24,446 parcel records for Boone County, IL, each with its boundary geometry and assessor attributes.

What is the FIPS code for Boone County, IL?

The FIPS code for Boone County, IL is 17007.

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

Each Boone 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 Boone County, IL parcel data free?

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

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

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