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Marion County, MO Parcels & GIS Data

Marion County, MO parcel data: 18,708 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Marion County, Missouri parcel data covering 18,708 property records.

This page documents parcel-level coverage for Marion County, Missouri. 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 northeastern portion of Missouri. As of the 2020 census, the population was 28,525. Its county seat is Palmyra. Unique from most third-class counties in the state, Marion has two county courthouses, the second located in Hannibal.

FIPS 29127

Official county website: https://marioncountymo.com/

The FIPS code for Marion County is 29127.

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Attribute coverage

Marion County contains 18,708 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%18,708
parcelid100%18,708
parcelid261.0%11,403
ogparcelid100%18,708
ogparcelid215.1%2,829
parentid<0.1%0
stackid<0.1%0
geoid100%18,708
statefp100%18,708
countyfp100%18,708
countyname100%18,708
cousubfp100%18,708
cousubname100%18,708
tractce100%18,708
tractname100%18,708
taxacctnum60.9%11,387
taxyear100%18,708
taxdistrict<0.1%0
usecode11.6%2,170
usedesc42.8%8,013
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs51.8%9,685
numunits49.8%9,309
yearbuilt40.0%7,481
numfloors33.1%6,199
bldgsqft39.9%7,471
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue60.9%11,387
landvalue60.9%11,387
agvalue60.9%11,387
totalvalue60.9%11,387
taxacres<0.1%0
calcarea100%18,708
saleamt59.5%11,125
saledate58.5%10,946
ownertype99.9%18,695
ownername99.9%18,695
owneraddr60.4%11,297
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr98.2%18,363
parcelcity98.7%18,469
parcelstate100%18,708
parcelzip100%18,708
legaldesc60.8%11,371
township84.2%15,750
section84.2%15,750
qtrsection84.2%15,750
range84.2%15,750
plssdesc84.2%15,750
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype0.2%36
accesstype0.4%75
iucnclass0.2%29
placename54.9%10,274
placetype4.5%843
firmid100%18,708
firmdate100%18,708
fldzone100%18,708
zonesubty93.8%17,549
staticbfe0.1%20
elevmin95.4%17,839
elevmax95.4%17,839
elevavg95.4%17,839
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
naicscode61.3%11,463
frsid<0.1%2
dfrurl<0.1%2
caapermit<0.1%2
cwapermit<0.1%2
rcrapermit<0.1%2
updated61.0%11,403
centroidx100%18,708
centroidy100%18,708
surfpointx100%18,708
surfpointy100%18,708
geom100%18,708
extras100%18,708
ownerlist77.8%14,552
placefp68.2%12,765
zoningurl<0.1%0

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, Missouri (29127) 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 owner address city state zip geom id compid housenum shapeid parcelid ownername parceladdr parcelcity parcelstate parcelzip geom extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 100% taxyear 61.0% updated geom · derived from geometry geom dem.us_1m · USGS 1m DEM 95.4% elevmin 95.4% elevmax 95.4% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 93.8% zonesubty 0.1% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 61.0% parcelid2 60.9% taxacctnum 51.8% numbldgs 60.9% imprvalue 60.9% landvalue 60.9% agvalue 60.9% totalvalue 59.5% saleamt 58.5% saledate 60.4% owneraddr 60.8% legaldesc 84.2% township 84.2% section 84.2% qtrsection 84.2% range 84.2% plssdesc 54.9% placename 61.3% naicscode 77.8% ownerlist 68.2% placefp lrid parcelid parcelid2 ogparcelid geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxyear numbldgs imprvalue landvalue agvalue totalvalue calcarea saleamt saledate ownertype ownername owneraddr parceladdr parcelcity parcelstate parcelzip legaldesc township section qtrsection range plssdesc placename firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg naicscode updated centroidx centroidy surfpointx surfpointy geom extras ownerlist placefp publish.parcel_layer columns not fed by these sources (41) — empty or below 50% fill in this county ogparcelid2, parentid, stackid, taxdistrict, usecode, usedesc, zoningcode, zoningdesc, numunits, yearbuilt, numfloors, bldgsqft, bedrooms halfbaths, fullbaths, taxacres, ownercity, ownerstate, ownerzip, book, page, block, lot, parceltype, accesstype, iucnclass, placetype fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, frsid, dfrurl, caapermit, cwapermit, rcrapermit, zoningurl PARCEL 8 mapped · 1 transformed · 47 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL pin owner address city state zip geom id compid housenum shapeid parcelid ownername parceladdr parcelcity parcelstate parcelzip geom extras ((json_build_object('id', id::text, 'compid', compid::text, 'ho… not present in source — filled with NULL (47) parcelid2, taxacctnum, taxyear, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms halfbaths, fullbaths, imprvalue, landvalue, agvalue, totalvalue, taxacres, saleamt, saledate, owneraddr, ownercity, ownerstate, ownerzip legaldesc, township, section, qtrsection, range, plssdesc, book, page, block, lot, updated, sourceurl, taxdistrict, parentid, heatfuel fireplaces, heating, cooling, foundation, roofcover, siding

Neighboring counties

Parcel data for counties bordering Marion County:

Frequently asked questions

Where can I find Marion County, MO parcel and GIS data?

Land Records publishes a Marion County, MO 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 Marion County, MO dataset as a GeoPackage or CSV.

How many parcels are in Marion County, MO?

The current dataset contains 18,708 parcel records for Marion County, MO, each with its boundary geometry and assessor attributes.

What is the FIPS code for Marion County, MO?

The FIPS code for Marion County, MO is 29127.

What information does each Marion County, MO parcel record include?

Each Marion County, MO 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 Marion County, MO parcel data free?

You can preview Marion County, MO 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 Marion County, MO have an official GIS or property records website?

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated