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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
imprvalue98.6%18,551
landvalue98.8%18,583
agvalue98.8%18,583
totalvalue98.8%18,583
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
extras79.3%14,914
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 2026-10-10 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 geom zoning districtnamefull classtype zoningnotes 254 cols ⇢ geom zoningcode zoningdesc zoningtype notes 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 98.6% imprvalue 98.8% landvalue 98.8% agvalue 98.8% 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 zoningdesc numbldgs numunits imprvalue landvalue agvalue 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 (49) — empty or below 50% fill in this county parcelid2, ogparcelid2, parentid, stackid, taxacctnum, taxdistrict, usecode, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths 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 5 mapped · 254 kept in extras · 4 unmapped (NULL) SOURCE COLUMNS HARMONIZED → ZONING geom zoning districtnamefull classtype zoningnotes geom zoningcode zoningdesc zoningtype notes extras · 254 source columns preserved as json zoning_join, city, source, fips7, acres, districtmapped districtmappedextinct, districtoverlay isrestrictedresidencedistrict, zoningtype districtoverlayalters, districtisplanneddev, family1treatment family1minlotsize, family1frontsetback, family1sidesetback family1rearsetback, family1maxcoveragebldgimperv family1minparking, family1parkingunit, family1maxstories family1maxheight, family1ftar, family1minunitsize family1maxbedrooms, family1landscaping, family1minfrontage family2treatment, family2minlotsize, family2maxdensity family2frontsetback, family2sidesetback, family2rearsetback family2maxcoveragebldgimperv, family2minparking family2maxstories, family2maxheight, family2ftar family2minunitsize, family2maxbedrooms, family2landscaping family2minfrontage, family2parkingunit, family3treatment family3minlotsize, family3maxdensity, family3frontsetback family3sidesetback, family3rearsetback family3maxcoveragebldgimperv, family3minparking family3connectiontransit, family3maxstories, family3maxheight family3ftar, family3minunitsize, family3maxbedrooms family3landscaping, family3minfrontage, family3parkingunit family4treatment, family4minlotsize, family4maxdensity family4frontsetback, family4sidesetback, family4rearsetback family4maxcoveragebldgimperv, family4minparking family4connectionsewer, family4maxstories, family4maxheight family4ftar, family4minunitsize, family4maxbedrooms family4maxunitsbldg, family4maxunitsdev, family4minfrontage family4parkingunit, family4landscaping, family5treatment family5minlotsize, family5minfrontage, family5maxdensity family5frontsetback, family5sidesetback, family5rearsetback family5maxcoveragebldgimperv, family5minparking family5parkingunit, family5connectionsewer family5connectiontransit, family5maxstories, family5maxheight family5ftar, family5minunitsize, family5maxbedrooms family5maxunitsbldg, family5maxunitsdev, family5landscaping family6treatment, family6minlotsize, family6minfrontage family6maxdensity, family6frontsetback, family6sidesetback family6rearsetback, family6maxcoveragebldgimperv family6minparking, family6parkingunit family6connectiontransit, family6maxstories, family6maxheight family6ftar, family6minunitsize, family6maxbedrooms family6maxunitsbldg, family6maxunitsdev, family6landscaping family7treatment, family7minlotsize, family7minfrontage family7maxdensity, family7frontsetback, family7sidesetback family7rearsetback, family7maxcoveragebldgimperv family7minparking, family7parkingunit, family7connectionsewer family7connectiontransit, family7maxstories, family7maxheight family7ftar, family7minunitsize, family7maxbedrooms family7maxunitsbldg, family7maxunitsdev, family7landscaping family8treatment, family8minlotsize, family8minfrontage family8maxdensity, family8frontsetback, family8sidesetback family8rearsetback, family8maxcoveragebldgimperv family8minparking, family8parkingunit family8connectiontransit, family8maxstories, family8maxheight family8ftar, family8minunitsize, family8maxbedrooms family8maxunitsbldg, family8maxunitsdev, family8landscaping family9treatment, family9affordable, family9minlotsize family9maxdensity, family9frontsetback, family9sidesetback family9rearsetback, family9maxcoveragebldgimperv family9minparking, family9connectiontransit family9maxstories, family9maxheight, family9ftar family9minunitsize, family9maxbedrooms, family9maxunitsbldg family9maxunitsbldgunits, family9maxunitsdev family9landscaping, family9minfrontage, family9parkingunit afftreatment, affminlotsize, aff2maxdensity, affminparking affconnectiontransit, affmaxbedrooms, affmaxunitsbldg affmaxunitsdev, afflandscaping, affminfrontage affparkingunit, affregulationdesc, adutreatment aduoccupancyfamily, aduoccupancyrenter, aduoccupancyowner aduelderly, aduminlotsize, aduminparking adurestrictedtoprimary, adusizeperc, adusizepercunit adumaxbedrooms, adurequirelotsize, adurequireminsize adurequiremaxsize, adurequireparking, adusizepercvalue adumaxbedroomsvalue, mobileparktreatment mobileparkminparksize, mobileparkminlotsize mobileparkmaxparksize, mobilehometreatment mobilehomeregulations, manufacturedhometreatment manufacturedhomeregulations, tinyhometreatment tinyhomethreshold, tinyhomeregulations, liveworktreatment planneddevsize, planneddevreferences planneddevreferenceslist, planneddevdensityregulated planneddevdensity, planneddevdensitytype, planneddevmixeduse manuparktreatment, manuparkminparksize, manuparkmaxparksize manuparkminlotsize, grptreatment, grpregulationdesc smallgrpbyright, smallgrpbypermit, biggrpbyright biggrpbypermit, grpminlotsize, grpminfrontage, grp2maxdensity grpminparking, grpparkingunit, grpmaxbedrooms grpmaxunitsbldg, grpmaxunitsdev, grplandscaping, pudtreatment pudminsize, puddensity, pudmixeduse, liveworkdefinition grpdefinition, tinyhomedefinition, affdefinition, city_class extras not present in source — filled with NULL (4) ordinance, setbacks, restrictions, 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.

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Attribute coverageSchema mappingNeighboring countiesFAQRelated