Piatt County, IL Parcels & GIS Data

Piatt County, IL parcel data: 12,644 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Piatt County, Illinois parcel data covering 12,644 property records.

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

Piatt County is a county in Illinois, United States. As of the 2020 United States census, it had a population of 16,673. Its county seat and largest city is Monticello. Piatt County is part of the Champaign–Urbana metropolitan area.

FIPS 17147

Official county website: https://maps.piattcounty.org/public/

The FIPS code for Piatt County is 17147.

De WittChampaignMcLeanDouglasMaconMoultriePiatt
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Attribute coverage

Piatt County contains 12,644 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%12,644
parcelid97.3%12,303
parcelid298.1%12,410
ogparcelid98.1%12,408
ogparcelid298.1%12,408
parentid<0.1%0
stackid<0.1%0
geoid100%12,644
statefp100%12,644
countyfp100%12,644
countyname100%12,644
cousubfp100%12,644
cousubname100%12,644
tractce100%12,644
tractname100%12,644
taxacctnum34.7%4,393
taxyear100%12,644
taxdistrict34.7%4,393
usecode59.6%7,539
usedesc69.7%8,815
zoningcode<0.1%0
zoningdesc7.2%908
numbldgs99.9%12,637
numunits52.8%6,681
yearbuilt34.7%4,393
numfloors81.0%10,244
bldgsqft34.7%4,393
bedrooms34.7%4,393
halfbaths34.7%4,393
fullbaths34.7%4,393
imprvalue34.7%4,393
landvalue34.7%4,393
agvalue<0.1%0
totalvalue34.7%4,393
taxacres34.7%4,393
calcarea100%12,644
saleamt34.7%4,393
saledate9.9%1,258
ownertype34.1%4,313
ownername34.1%4,313
owneraddr29.0%3,671
ownercity30.0%3,797
ownerstate30.0%3,796
ownerzip30.1%3,803
parceladdr74.7%9,447
parcelcity77.5%9,799
parcelstate100%12,644
parcelzip100%12,644
legaldesc33.9%4,286
township100%12,644
section100%12,644
qtrsection100%12,644
range100%12,644
plssdesc100%12,644
book34.7%4,393
page34.7%4,393
block<0.1%0
lot<0.1%0
parceltype0.6%75
accesstype0.9%113
iucnclass0.5%68
placename4.2%537
placetype3.8%481
firmid99.9%12,633
firmdate99.9%12,633
fldzone99.9%12,633
zonesubty95.5%12,072
staticbfe<0.1%0
elevmin96.0%12,133
elevmax96.0%12,133
elevavg96.0%12,133
fireplaces<0.1%0
heating34.7%4,393
heatfuel34.7%4,393
cooling34.7%4,393
foundation<0.1%0
roofcover<0.1%0
siding<0.1%0
bldgtype<0.1%0
naicscode3.3%418
frsid0.4%51
dfrurl0.4%51
caapermit0.4%51
cwapermit0.4%51
rcrapermit0.4%51
updated100%12,644
centroidx100%12,644
centroidy100%12,644
surfpointx100%12,644
surfpointy100%12,644
geom100%12,644
extras99.9%12,633
ownerlist20.3%2,562
placefp50.0%6,316
zoningurl<0.1%0
lbcsactivity68.7%8,688
lbcsfunction68.7%8,688
lbcstype73.7%9,318
lbcscharacter94.7%11,971
lbcsownership34.5%4,357
sourceurl<0.1%0

Schema mapping

How source columns from the acquired Piatt 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 — Piatt County, Illinois (17147) 1 entity · 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 parcel_id alt_id_1 cty_row_id land_use_c land_us_01 zoning zone_subty buildings year_built story_heig bldg_sqft bedrooms halfbath fullbath mkt_val_bl mkt_val_la mkt_val_to calc_acrea sale_price trans_date owner mail_addre m_placenm m_statenm m_zipcode situs situs_city state_abbr situs_zip legal_desc legal_d_01 legal_d_02 map_book map_page last_updat geom muni_name heatsrc cooling exterior 43 cols ⇢ parcelid parcelid2 taxacctnum usecode usedesc zoningcode zoningdesc numbldgs yearbuilt numfloors bldgsqft bedrooms halfbaths fullbaths imprvalue landvalue totalvalue taxacres saleamt saledate ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip legaldesc book page updated geom taxdistrict heating cooling siding extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 100% taxyear geom · derived from geometry geom dem.us_1m · USGS 1m DEM 96.0% elevmin 96.0% elevmax 96.0% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 95.5% zonesubty 100% firmdate 100% firmid supplemented · derived / other pipelines 52.8% numunits 100% township 100% section 100% qtrsection 100% range 100% plssdesc 68.7% lbcsactivity 68.7% lbcsfunction 73.7% lbcstype 94.7% lbcscharacter lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxyear taxdistrict usecode usedesc zoningcode zoningdesc numbldgs numunits yearbuilt numfloors bldgsqft bedrooms halfbaths fullbaths imprvalue landvalue totalvalue taxacres calcarea saleamt saledate ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip legaldesc township section qtrsection range plssdesc book page firmid firmdate fldzone zonesubty elevmin elevmax elevavg heating cooling siding updated centroidx centroidy surfpointx surfpointy geom extras lbcsactivity lbcsfunction lbcstype lbcscharacter publish.parcel_layer columns not fed by these sources (27) — empty or below 50% fill in this county parentid, stackid, agvalue, block, lot, parceltype, accesstype, iucnclass, placename, placetype, staticbfe, fireplaces, heatfuel, foundation roofcover, bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit, ownerlist, placefp, zoningurl, lbcsownership, sourceurl PARCEL 38 mapped · 25 transformed · 43 kept in extras · 16 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcel_id alt_id_1 cty_row_id land_use_c land_us_01 zoning zone_subty buildings year_built story_heig bldg_sqft bedrooms halfbath fullbath mkt_val_bl mkt_val_la mkt_val_to calc_acrea sale_price trans_date owner mail_addre m_placenm m_statenm m_zipcode situs situs_city state_abbr situs_zip legal_desc legal_d_01 legal_d_02 map_book map_page last_updat geom muni_name heatsrc cooling exterior parcelid NULLIF(TRIM(parcel_id), '')::text parcelid2 NULLIF(TRIM(alt_id_1), '')::text taxacctnum usecode NULLIF(TRIM(land_use_c), '')::text usedesc NULLIF(TRIM(land_us_01), '')::text zoningcode NULLIF(TRIM(zoning), '')::text zoningdesc NULLIF(TRIM(zone_subty), '')::text numbldgs yearbuilt CASE WHEN year_built IS NULL OR year_built = 0 THEN NULL::text … numfloors bldgsqft bedrooms halfbaths fullbaths imprvalue landvalue totalvalue taxacres saleamt saledate CASE WHEN trans_date IS NULL OR trans_date = 0 THEN NULL::text … ownername NULLIF(TRIM(owner), '')::text owneraddr NULLIF(TRIM(mail_addre), '')::text ownercity NULLIF(TRIM(m_placenm), '')::text ownerstate NULLIF(TRIM(m_statenm), '')::text ownerzip NULLIF(TRIM(m_zipcode), '')::text parceladdr NULLIF(TRIM(situs), '')::text parcelcity NULLIF(TRIM(situs_city), '')::text parcelstate NULLIF(TRIM(state_abbr), '')::text parcelzip NULLIF(TRIM(situs_zip), '')::text legaldesc NULLIF(TRIM(concat_ws(' ', NULLIF(TRIM(legal_desc), ''), NULLIF… book NULLIF(TRIM(map_book), '')::text page NULLIF(TRIM(map_page), '')::text updated NULLIF(TRIM(last_updat), '')::text geom taxdistrict NULLIF(TRIM(muni_name), '')::text heating NULLIF(TRIM(heatsrc), '')::text cooling NULLIF(TRIM(cooling), '')::text siding NULLIF(TRIM(exterior), '')::text extras · 43 source columns preserved as json county_nam, county_fip, addr_numbe, addr_stree, addr_st_01 addr_st_02, addr_st_03, addr_sec_u, addr_se_01, situs_zip4 ngh_code, zip_code, school_dis, acreage, fld_zone, routing_nu mail_name, mail_ad_01, mail_ad_02, m_recpnt, m_uspsbox m_addressn, m_streetpr, m_streetnm, m_streetpo, m_streetpd m_subocc, m_country, eff_year_b, style, condition, total_room total_bath, water, sewer, latitude, longitude, elevation owner_occu, robust_id, usps_resid, alt_id_2, census_pla extras not present in source — filled with NULL (16) taxyear, numunits, agvalue, township, section, qtrsection, range, plssdesc, block, lot, sourceurl, parentid, heatfuel, fireplaces, foundation roofcover

Neighboring counties

Parcel data for counties bordering Piatt County:

Frequently asked questions

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

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

How many parcels are in Piatt County, IL?

The current dataset contains 12,644 parcel records for Piatt County, IL, each with its boundary geometry and assessor attributes.

What is the FIPS code for Piatt County, IL?

The FIPS code for Piatt County, IL is 17147.

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

Each Piatt 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 Piatt County, IL parcel data free?

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

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

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