Dallas County, IA Parcels & GIS Data

Dallas County, IA parcel data: 56,762 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Dallas County, Iowa parcel data covering 56,762 property records.

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

Dallas County is a county located in the U.S. state of Iowa. As of the 2020 census, its population was 99,678, and was estimated to be 118,457 in 2025. making it the sixth-most populous county in Iowa.

FIPS 19049

The FIPS code for Dallas County is 19049.

BooneGuthrieMadisonAdairWarrenPolkDallas

Attribute coverage

Dallas County contains 56,762 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%56,762
parcelid100%56,761
parcelid2100%56,761
ogparcelid100%56,761
ogparcelid2100%56,761
parentid<0.1%0
stackid<0.1%0
geoid100%56,762
statefp100%56,762
countyfp100%56,762
countyname100%56,762
cousubfp100%56,762
cousubname100%56,762
tractce100%56,762
tractname100%56,762
taxacctnum<0.1%0
taxyear<0.1%0
taxdistrict<0.1%0
usecode<0.1%0
usedesc<0.1%0
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs53.4%30,336
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
totalvalue<0.1%0
taxacres<0.1%0
calcarea100%56,762
saleamt<0.1%0
saledate<0.1%0
ownertype<0.1%0
ownername<0.1%0
owneraddr<0.1%0
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr88.3%50,123
parcelcity84.6%48,033
parcelstate100%56,762
parcelzip100%56,762
legaldesc<0.1%0
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype0.7%388
accesstype0.7%388
iucnclass0.4%213
placename3.3%1,850
placetype3.2%1,810
firmid100%56,762
firmdate100%56,762
fldzone100%56,762
zonesubty67.0%38,005
staticbfe<0.1%1
elevmin99.9%56,693
elevmax99.9%56,693
elevavg99.9%56,693
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
naicscode3.3%1,850
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated<0.1%0
centroidx100%56,762
centroidy100%56,762
surfpointx100%56,762
surfpointy100%56,762
geom100%56,762
extras100%56,762
lrversion100%56,762

Schema mapping

How source columns from the acquired Dallas 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 — Dallas County, Iowa (19049) 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 parcelid pin altid hyperlink geom 2 cols ⇢ parcelid parcelid2 taxacctnum sourceurl geom extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 0.0% 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 67.0% zonesubty 0.0% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 53.4% numbldgs 88.3% parceladdr 84.6% parcelcity 100% parcelstate 100% parcelzip lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum numbldgs calcarea parceladdr parcelcity parcelstate parcelzip 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 (57) — empty or below 50% fill in this county parentid, stackid, taxyear, taxdistrict, usecode, usedesc, zoningcode, zoningdesc, numunits, yearbuilt, numfloors, bldgsqft, bedrooms halfbaths, fullbaths, imprvalue, landvalue, agvalue, totalvalue, taxacres, saleamt, saledate, ownertype, ownername, owneraddr, ownercity ownerstate, ownerzip, legaldesc, township, section, qtrsection, range, plssdesc, book, page, block, lot, parceltype, accesstype, iucnclass placename, placetype, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit cwapermit, rcrapermit PARCEL 5 mapped · 2 kept in extras · 49 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcelid pin altid hyperlink geom parcelid parcelid2 taxacctnum sourceurl geom extras · 2 source columns preserved as json shape_starea__, shape_stlength__ extras not present in source — filled with NULL (49) taxyear, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths imprvalue, landvalue, agvalue, totalvalue, taxacres, saleamt, saledate, ownername, owneraddr, ownercity, ownerstate, ownerzip, parceladdr parcelcity, parcelstate, parcelzip, legaldesc, township, section, qtrsection, range, plssdesc, book, page, block, lot, updated, taxdistrict parentid, fireplaces, heating, cooling, foundation, roofcover, siding, heatfuel

Neighboring counties

Parcel data for counties bordering Dallas County:

On this page