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Marion County, IL Parcels & GIS Data

Marion County, IL parcel data: 23,087 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Marion County, Illinois parcel data covering 23,087 property records.

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

Marion County is a county located in the U.S. state of Illinois, in the southern half of the state known as "Little Egypt". According to the 2020 census, it had a population of 37,729. Its county seat is Salem.

FIPS 17121

Official county website: https://marioncountyil.gov/

The FIPS code for Marion County is 17121.

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Attribute coverage

Marion County contains 23,087 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%23,087
parcelid99.6%22,994
parcelid299.6%22,994
ogparcelid99.6%22,992
ogparcelid299.6%22,992
parentid<0.1%0
stackid<0.1%0
geoid100%23,087
statefp100%23,087
countyfp100%23,087
countyname100%23,087
cousubfp100%23,087
cousubname100%23,087
tractce100%23,087
tractname100%23,087
taxacctnum<0.1%0
taxyear100%23,086
taxdistrict<0.1%0
usecode21.6%4,991
usedesc0.4%94
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs100%23,086
numunits64.3%14,855
yearbuilt<0.1%1
numfloors46.2%10,671
bldgsqft<0.1%1
bedrooms<0.1%1
halfbaths<0.1%1
fullbaths<0.1%1
imprvalue92.5%21,362
landvalue92.5%21,362
agvalue92.5%21,362
totalvalue92.5%21,362
taxacres<0.1%2
calcarea100%23,087
saleamt<0.1%1
saledate<0.1%1
ownertype96.4%22,250
ownername96.4%22,250
owneraddr96.0%22,168
ownercity<0.1%1
ownerstate<0.1%1
ownerzip<0.1%1
parceladdr73.0%16,864
parcelcity69.3%15,996
parcelstate100%23,087
parcelzip100%23,087
legaldesc96.3%22,231
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book<0.1%1
page<0.1%1
block<0.1%0
lot<0.1%0
parceltype0.3%60
accesstype0.3%60
iucnclass0.1%16
placename3.8%887
placetype3.4%780
firmid100%23,086
firmdate100%23,086
fldzone100%23,086
zonesubty97.7%22,563
staticbfe<0.1%11
elevmin97.9%22,601
elevmax97.9%22,601
elevavg97.9%22,601
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
naicscode12.4%2,860
frsid0.6%128
dfrurl0.6%128
caapermit0.6%128
cwapermit0.6%128
rcrapermit0.6%128
updated100%23,086
centroidx100%23,087
centroidy100%23,087
surfpointx100%23,087
surfpointy100%23,087
geom100%23,087
extras100%23,085
lrversion100%23,087

Schema mapping

How source columns from the acquired Marion 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 — Marion County, Illinois (17121) 1 entity · most recent acquisition per entity · generated 2026-07-13 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 parcelid apn taxacres parcelstate sourceurl geom 5 cols ⇢ parcelid parcelid2 taxacres parcelstate sourceurl geom extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 100% updated 100% lrversion geom · derived from geometry geom dem.us_1m · USGS 1m DEM 97.9% elevmin 97.9% elevmax 97.9% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 97.7% zonesubty 0.0% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 100% taxyear 100% numbldgs 64.3% numunits 92.5% imprvalue 92.5% landvalue 92.5% agvalue 92.5% totalvalue 96.4% ownertype 96.4% ownername 96.0% owneraddr 73.0% parceladdr 69.3% parcelcity 100% parcelzip 96.3% legaldesc lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxyear numbldgs numunits imprvalue landvalue agvalue totalvalue taxacres calcarea ownertype ownername owneraddr parceladdr parcelcity parcelstate parcelzip legaldesc firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras lrversion publish.parcel_layer columns not fed by these sources (47) — empty or below 50% fill in this county parentid, stackid, taxacctnum, taxdistrict, usecode, usedesc, zoningcode, zoningdesc, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths fullbaths, saleamt, saledate, ownercity, ownerstate, ownerzip, township, section, qtrsection, range, plssdesc, book, page, block, lot parceltype, accesstype, iucnclass, placename, placetype, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit PARCEL 6 mapped · 5 kept in extras · 48 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcelid apn taxacres parcelstate sourceurl geom parcelid parcelid2 taxacres parcelstate sourceurl geom extras · 5 source columns preserved as json gid, county_name, fips_code, vintage_id, geoid extras not present in source — filled with NULL (48) 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, parceladdr parcelcity, parcelzip, legaldesc, township, section, qtrsection, range, plssdesc, book, page, block, lot, updated, taxdistrict, parentid fireplaces, heating, cooling, foundation, roofcover, siding, heatfuel

Neighboring counties

Parcel data for counties bordering Marion County:

On this page

Attribute coverageSchema mappingNeighboring countiesRelated