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Clay County, IA Parcels & GIS Data

Clay County, IA parcel data: 18,815 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Clay County, Iowa parcel data covering 18,815 property records.

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

Clay County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 16,384. Its county seat is Spencer.

FIPS 19041

Official county website: http://www.co.clay.ia.us

The FIPS code for Clay County is 19041.

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Attribute coverage

Clay County contains 18,815 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%18,815
parcelid99.8%18,775
parcelid2<0.1%0
ogparcelid99.8%18,775
ogparcelid2<0.1%0
parentid<0.1%0
stackid<0.1%0
geoid100%18,815
statefp100%18,815
countyfp100%18,815
countyname100%18,815
cousubfp100%18,815
cousubname100%18,815
tractce100%18,815
tractname100%18,815
taxacctnum<0.1%0
taxyear99.8%18,775
taxdistrict<0.1%0
usecode<0.1%0
usedesc57.1%10,737
zoningcode29.0%5,448
zoningdesc29.0%5,448
numbldgs99.5%18,729
numunits98.8%18,583
yearbuilt0.2%36
numfloors<0.1%0
bldgsqft0.2%36
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue<0.1%0
landvalue<0.1%0
agvalue<0.1%0
totalvalue98.5%18,530
taxacres<0.1%0
calcarea100%18,815
saleamt<0.1%0
saledate<0.1%0
ownertype99.1%18,654
ownername99.1%18,654
owneraddr<0.1%2
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr54.1%10,188
parcelcity49.4%9,286
parcelstate100%18,815
parcelzip100%18,815
legaldesc0.3%54
township99.8%18,785
section99.8%18,785
qtrsection99.8%18,785
range99.8%18,785
plssdesc99.8%18,785
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype2.6%482
accesstype2.6%483
iucnclass2.3%428
placename5.3%994
placetype5.1%968
firmid78.6%14,780
firmdate78.6%14,780
fldzone78.6%14,780
zonesubty71.7%13,490
staticbfe<0.1%0
elevmin100%18,815
elevmax100%18,815
elevavg100%18,815
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
naicscode2.6%493
frsid0.1%21
dfrurl0.1%21
caapermit0.1%21
cwapermit0.1%21
rcrapermit0.1%21
updated100%18,815
centroidx100%18,815
centroidy100%18,815
surfpointx100%18,815
surfpointy100%18,815
geom100%18,815
extras84.8%15,962
ownerlist99.1%18,653
placefp37.7%7,089
zoningurl<0.1%0
lbcsactivity61.5%11,573
lbcsfunction61.5%11,570
lbcstype59.2%11,139
lbcscharacter99.7%18,760
lbcsownership99.1%18,655
sourceurl0.3%54

Schema mapping

How source columns from the acquired Clay 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 — Clay County, Iowa (19041) 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 ZONING district coderef specreq geom 4 cols ⇢ zoningcode ordinance restrictions 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 100% updated geom · derived from geometry geom dem.us_1m · USGS 1m DEM 100% elevmin 100% elevmax 100% elevavg s_fld_haz_ar · FEMA NFHL 78.6% fldzone 71.7% zonesubty 78.6% firmdate 78.6% firmid supplemented · derived / other pipelines 100% parcelid 100% ogparcelid 57.1% usedesc 100% numbldgs 98.8% numunits 98.5% totalvalue 99.1% ownertype 99.1% ownername 54.1% parceladdr 100% parcelstate 100% parcelzip 100% township 100% section 100% qtrsection 100% range 100% plssdesc 99.1% ownerlist 61.5% lbcsactivity 61.5% lbcsfunction 59.2% lbcstype 100% lbcscharacter 99.1% lbcsownership lrid parcelid ogparcelid geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxyear usedesc zoningcode numbldgs numunits totalvalue calcarea ownertype ownername parceladdr parcelstate parcelzip township section qtrsection range plssdesc firmid firmdate fldzone zonesubty elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist lbcsactivity lbcsfunction lbcstype lbcscharacter lbcsownership publish.parcel_layer columns not fed by these sources (53) — empty or below 50% fill in this county parcelid2, ogparcelid2, parentid, stackid, taxacctnum, taxdistrict, usecode, zoningdesc, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths fullbaths, imprvalue, landvalue, agvalue, taxacres, saleamt, saledate, owneraddr, ownercity, ownerstate, ownerzip, parcelcity, legaldesc, book page, block, lot, parceltype, accesstype, iucnclass, placename, placetype, staticbfe, fireplaces, heating, heatfuel, cooling, foundation roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit, placefp, zoningurl, sourceurl ZONING 4 mapped · 4 kept in extras · 5 unmapped (NULL) SOURCE COLUMNS HARMONIZED → ZONING district coderef specreq geom zoningcode ordinance restrictions geom extras · 4 source columns preserved as json objectid_1, jurisdiction, datemodified, field extras not present in source — filled with NULL (5) zoningdesc, zoningtype, setbacks, notes, sourceurl

Neighboring counties

Parcel data for counties bordering Clay County:

Frequently asked questions

Where can I find Clay County, IA parcel and GIS data?

Land Records publishes a Clay County, IA 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 Clay County, IA dataset as a GeoPackage or CSV.

How many parcels are in Clay County, IA?

The current dataset contains 18,815 parcel records for Clay County, IA, each with its boundary geometry and assessor attributes.

What is the FIPS code for Clay County, IA?

The FIPS code for Clay County, IA is 19041.

What information does each Clay County, IA parcel record include?

Each Clay County, IA 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 Clay County, IA parcel data free?

You can preview Clay County, IA 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 Clay County, IA have an official GIS or property records website?

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated