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Dubuque County, IA Parcels & GIS Data

Dubuque County, IA parcel data: 52,933 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Dubuque County, Iowa parcel data covering 52,933 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.

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Attribute coverage

Dubuque County contains 52,933 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%52,933
parcelid100%52,933
parcelid2<0.1%0
ogparcelid100%52,933
ogparcelid2<0.1%0
parentid<0.1%0
stackid<0.1%0
geoid100%52,933
statefp100%52,933
countyfp100%52,933
countyname100%52,933
cousubfp100%52,933
cousubname100%52,933
tractce100%52,933
tractname100%52,933
taxacctnum<0.1%0
taxyear100%52,929
taxdistrict100%52,929
usecode100%52,929
usedesc<0.1%0
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs63.2%33,451
numunits10.5%5,565
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%52,348
agvalue64.8%34,281
totalvalue98.9%52,350
taxacres100%52,913
calcarea100%52,933
saleamt<0.1%0
saledate<0.1%0
ownertype100%52,929
ownername100%52,929
owneraddr<0.1%0
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr100%52,933
parcelcity100%52,932
parcelstate100%52,933
parcelzip100%52,933
legaldesc100%52,929
township100%52,931
section100%52,931
qtrsection100%52,931
range100%52,931
plssdesc100%52,931
book99.1%52,466
page99.1%52,463
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%52,933
firmdate100%52,933
fldzone100%52,933
zonesubty97.6%51,683
staticbfe<0.1%20
elevmin99.8%52,829
elevmax99.8%52,829
elevavg99.8%52,829
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
naicscode20.9%11,040
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%52,933
centroidx100%52,933
centroidy100%52,933
surfpointx100%52,933
surfpointy100%52,933
geom100%52,933
extras100%52,933
ownerlist100%52,925
placefp65.3%34,583
zoningurl<0.1%0

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 2026-08-30 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 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 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 64.8% agvalue 100% township 100% section 100% qtrsection 100% range 100% ownerlist 65.3% placefp 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 township section qtrsection range plssdesc book page firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist placefp publish.parcel_layer columns not fed by these sources (43) — 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, block, lot, parceltype, accesstype, iucnclass, placename placetype, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit rcrapermit, zoningurl 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:

Frequently asked questions

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

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

How many parcels are in Dubuque County, IA?

The current dataset contains 52,933 parcel records for Dubuque County, IA, each with its boundary geometry and assessor attributes.

What is the FIPS code for Dubuque County, IA?

The FIPS code for Dubuque County, IA is 19061.

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

Each Dubuque 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 Dubuque County, IA parcel data free?

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

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated