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Dubuque County, IA Parcels & GIS Data

Dubuque County, IA parcel data: 52,960 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Dubuque County, Iowa parcel data covering 52,960 property records.

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

Dubuque County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 99,266, and was estimated to be 99,381 in 2025, making it the ninth-most populous county in Iowa. The county seat is Dubuque.

FIPS 19061

Official county website: http://www.dubuquecounty.org

The FIPS code for Dubuque County is 19061.

Explore Dubuque County data
Jo DaviessJacksonJonesDelawareClaytonGrantDubuque
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Attribute coverage

Dubuque County contains 52,960 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%52,960
parcelid100%52,960
parcelid2<0.1%0
ogparcelid100%52,960
ogparcelid2<0.1%0
parentid<0.1%0
stackid<0.1%0
geoid100%52,960
statefp100%52,960
countyfp100%52,960
countyname100%52,960
cousubfp100%52,960
cousubname100%52,960
tractce100%52,960
tractname100%52,960
taxacctnum<0.1%0
taxyear99.9%52,927
taxdistrict100%52,956
usecode100%52,956
usedesc<0.1%0
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs63.2%33,452
numunits10.5%5,566
yearbuilt<0.1%0
numfloors<0.1%0
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue71.7%37,969
landvalue98.9%52,375
agvalue64.7%34,280
totalvalue98.9%52,377
taxacres100%52,940
calcarea100%52,960
saleamt<0.1%0
saledate<0.1%0
ownertype100%52,956
ownername100%52,956
owneraddr0.1%29
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr100%52,960
parcelcity100%52,959
parcelstate100%52,960
parcelzip100%52,960
legaldesc100%52,956
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book99.1%52,465
page99.1%52,462
block<0.1%0
lot<0.1%0
parceltype0.7%380
accesstype0.7%380
iucnclass0.2%102
placename4.6%2,446
placetype4.5%2,398
firmid100%52,960
firmdate100%52,960
fldzone100%52,960
zonesubty97.6%51,682
staticbfe<0.1%20
elevmin99.8%52,856
elevmax99.8%52,856
elevavg99.8%52,856
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
naicscode20.8%11,040
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%52,960
centroidx100%52,960
centroidy100%52,960
surfpointx100%52,960
surfpointy100%52,960
geom100%52,960
extras100%52,960
lrversion100%52,960

Schema mapping

How source columns from the acquired Dubuque 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 — Dubuque County, Iowa (19061) 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 pin taxyear propertyclass fullbuildingvalue fulllandvalue fulltotalvalue netacres ownername fullsitus city state postalcode legal sectwprange deededbook deededpage geom districtsandlevyrates 18 cols ⇢ parcelid taxyear usecode imprvalue landvalue totalvalue taxacres ownername parceladdr parcelcity parcelstate parcelzip legaldesc plssdesc book page geom taxdistrict 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 100% elevmin 100% elevmax 100% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 97.6% zonesubty 0.0% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 63.2% numbldgs 64.7% agvalue lrid parcelid ogparcelid geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxyear taxdistrict usecode numbldgs imprvalue landvalue agvalue totalvalue taxacres calcarea ownertype ownername parceladdr parcelcity parcelstate parcelzip legaldesc plssdesc book page 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 (46) — empty or below 50% fill in this county parcelid2, ogparcelid2, parentid, stackid, taxacctnum, usedesc, zoningcode, zoningdesc, numunits, yearbuilt, numfloors, bldgsqft, bedrooms halfbaths, fullbaths, saleamt, saledate, owneraddr, ownercity, ownerstate, ownerzip, township, section, qtrsection, range, block, lot parceltype, accesstype, iucnclass, placename, placetype, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit PARCEL 18 mapped · 18 kept in extras · 36 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL pin taxyear propertyclass fullbuildingvalue fulllandvalue fulltotalvalue netacres ownername fullsitus city state postalcode legal sectwprange deededbook deededpage geom districtsandlevyrates parcelid taxyear usecode imprvalue landvalue totalvalue taxacres ownername parceladdr parcelcity parcelstate parcelzip legaldesc plssdesc book page geom taxdistrict extras · 18 source columns preserved as json tifdistrictsandlevyrates, deededinstrumentnumber contractinstrumentnumber, contractbook, contractpage fulldwellingvalue, csrpoints, shape_starea__, line1 deededdate, contractdate, homestead, exemptacres, bptc situspostdirection, situsunittype, taxabletotalvalue csrpointsperacre extras not present in source — filled with NULL (36) parcelid2, taxacctnum, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths agvalue, saleamt, saledate, owneraddr, ownercity, ownerstate, ownerzip, township, section, qtrsection, range, block, lot, updated, sourceurl parentid, fireplaces, heating, cooling, foundation, roofcover, siding, heatfuel

Neighboring counties

Parcel data for counties bordering Dubuque County:

On this page

Attribute coverageSchema mappingNeighboring countiesRelated