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Clayton County, IA Parcels & GIS Data

Clayton County, IA parcel data: 30,687 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Clayton County, Iowa parcel data covering 30,687 property records.

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

Clayton County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 17,043, and was estimated to be 16,845 in 2025. The county seat is Elkader and the largest city is Guttenberg.

FIPS 19043

Official county website: http://www.claytoncountyia.gov

The FIPS code for Clayton County is 19043.

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Attribute coverage

Clayton County contains 30,687 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%30,687
parcelid100%30,686
parcelid24.1%1,273
ogparcelid100%30,679
ogparcelid2<0.1%6
parentid<0.1%0
stackid<0.1%0
geoid100%30,687
statefp100%30,687
countyfp100%30,687
countyname100%30,687
cousubfp100%30,687
cousubname100%30,687
tractce100%30,687
tractname100%30,687
taxacctnum<0.1%0
taxyear100%30,687
taxdistrict99.5%30,535
usecode<0.1%0
usedesc<0.1%15
zoningcode13.2%4,064
zoningdesc9.9%3,045
numbldgs0.5%145
numunits<0.1%0
yearbuilt<0.1%0
numfloors<0.1%0
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue<0.1%0
landvalue<0.1%0
agvalue<0.1%0
totalvalue98.6%30,270
taxacres97.8%30,003
calcarea100%30,687
saleamt<0.1%0
saledate<0.1%0
ownertype99.3%30,487
ownername99.3%30,487
owneraddr79.6%24,441
ownercity77.4%23,765
ownerstate77.4%23,765
ownerzip77.4%23,758
parceladdr38.6%11,841
parcelcity27.8%8,529
parcelstate100%30,687
parcelzip100%30,687
legaldesc79.8%24,486
township96.9%29,741
section96.9%29,741
qtrsection96.9%29,741
range96.9%29,741
plssdesc96.9%29,741
book2.2%679
page2.2%676
block<0.1%0
lot<0.1%0
parceltype0.8%254
accesstype1.5%445
iucnclass1.0%295
placename3.3%1,026
placetype3.3%1,013
firmid100%30,687
firmdate100%30,687
fldzone100%30,687
zonesubty93.6%28,730
staticbfe0.2%63
elevmin99.6%30,549
elevmax99.6%30,549
elevavg99.6%30,549
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
naicscode19.0%5,823
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated82.9%25,426
centroidx100%30,687
centroidy100%30,687
surfpointx100%30,687
surfpointy100%30,687
geom100%30,687
extras100%30,680
ownerlist45.9%14,096
placefp22.9%7,033
zoningurl10.5%3,209
lbcsactivity13.1%4,032
lbcsfunction13.1%4,030
lbcstype12.3%3,780
lbcscharacter99.3%30,459
lbcsownership99.5%30,524
sourceurl80.4%24,673

Schema mapping

How source columns from the acquired Clayton 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 — Clayton County, Iowa (19043) 2 entities · 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 parcelid parcelid2 totalvalue taxacres ownername parceladdr geom geoid parentid ogparcelid parcelid parcelid2 totalvalue taxacres ownername parceladdr geom taxdistrict parentid extras ZONING geom zoning 1 cols ⇢ geom zoningcode extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 100% taxyear 82.9% updated geom · derived from geometry geom dem.us_1m · USGS 1m DEM 100% elevmin 100% elevmax 100% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 93.6% zonesubty 0.2% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 79.6% owneraddr 77.4% ownercity 77.4% ownerstate 77.4% ownerzip 100% parcelstate 100% parcelzip 79.8% legaldesc 96.9% township 96.9% section 96.9% qtrsection 96.9% range 96.9% plssdesc 99.3% lbcscharacter 99.5% lbcsownership 80.4% sourceurl lrid parcelid parcelid2 ogparcelid ogparcelid2 parentid geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxyear taxdistrict zoningcode totalvalue taxacres calcarea ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelstate parcelzip legaldesc township section qtrsection range plssdesc firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras lbcscharacter lbcsownership sourceurl publish.parcel_layer columns not fed by these sources (48) — empty or below 50% fill in this county stackid, taxacctnum, usecode, usedesc, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths imprvalue, landvalue, agvalue, saleamt, saledate, parcelcity, book, page, block, lot, parceltype, accesstype, iucnclass, placename, placetype fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit ownerlist, placefp, zoningurl, lbcsactivity, lbcsfunction, lbcstype PARCEL 10 mapped · 9 transformed · 45 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcelid parcelid2 totalvalue taxacres ownername parceladdr geom geoid parentid ogparcelid parcelid NULLIF(TRIM(parcelid::text), '')::text parcelid2 NULLIF(TRIM(parcelid2::text), '')::text totalvalue NULLIF(TRIM(totalvalue::text), '')::text taxacres NULLIF(TRIM(taxacres::text), '')::text ownername NULLIF(TRIM(ownername::text), '')::text parceladdr NULLIF(TRIM(REGEXP_REPLACE(parceladdr::text, '[[:space:]]*Acres… geom taxdistrict NULLIF(TRIM(geoid::text), '')::text parentid NULLIF(TRIM(parentid::text), '')::text extras json_build_object('ogparcelid', NULLIF(TRIM(ogparcelid::text), … not present in source — filled with NULL (45) taxacctnum, taxyear, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths fullbaths, imprvalue, landvalue, agvalue, saleamt, saledate, owneraddr, ownercity, ownerstate, ownerzip, parcelcity, parcelstate, parcelzip legaldesc, township, section, qtrsection, range, plssdesc, book, page, block, lot, updated, sourceurl, heatfuel, fireplaces, heating, cooling foundation, roofcover, siding ZONING 2 mapped · 1 kept in extras · 7 unmapped (NULL) SOURCE COLUMNS HARMONIZED → ZONING geom zoning geom zoningcode extras · 1 source columns preserved as json id extras not present in source — filled with NULL (7) zoningdesc, zoningtype, ordinance, setbacks, restrictions, notes, sourceurl

Neighboring counties

Parcel data for counties bordering Clayton County:

Frequently asked questions

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

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

How many parcels are in Clayton County, IA?

The current dataset contains 30,687 parcel records for Clayton County, IA, each with its boundary geometry and assessor attributes.

What is the FIPS code for Clayton County, IA?

The FIPS code for Clayton County, IA is 19043.

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

Each Clayton 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 Clayton County, IA parcel data free?

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

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated