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Walworth County, WI Parcels & GIS Data

Walworth County, WI parcel data: 75,313 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Walworth County, Wisconsin parcel data covering 75,313 property records.

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

Walworth County is a county located in the U.S. state of Wisconsin. As of the 2020 census, the population was 106,478. Its county seat is Elkhorn.

FIPS 55127

Official county website: http://www.co.walworth.wi.us

The FIPS code for Walworth County is 55127.

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Attribute coverage

Walworth County contains 75,313 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%75,313
parcelid100%75,313
parcelid2100%75,312
ogparcelid100%75,313
ogparcelid2100%75,312
parentid<0.1%0
stackid<0.1%0
geoid100%75,313
statefp100%75,313
countyfp100%75,313
countyname100%75,313
cousubfp100%75,313
cousubname100%75,313
tractce100%75,313
tractname100%75,313
taxacctnum<0.1%0
taxyear99.8%75,186
taxdistrict99.8%75,154
usecode90.6%68,203
usedesc<0.1%0
zoningcode<0.1%1
zoningdesc<0.1%0
numbldgs92.0%69,269
numunits64.0%48,197
yearbuilt<0.1%0
numfloors0.5%380
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue70.0%52,708
landvalue89.4%67,329
agvalue<0.1%0
totalvalue89.4%67,329
taxacres94.4%71,133
calcarea100%75,313
saleamt<0.1%0
saledate<0.1%0
ownertype95.3%71,742
ownername95.3%71,742
owneraddr94.9%71,466
ownercity<0.1%1
ownerstate<0.1%1
ownerzip<0.1%1
parceladdr94.0%70,813
parcelcity99.1%74,609
parcelstate100%75,313
parcelzip100%75,313
legaldesc<0.1%1
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
parceltype1.2%882
accesstype1.2%882
iucnclass0.9%641
placename11.1%8,379
placetype11.0%8,284
firmid100%75,312
firmdate100%75,312
fldzone100%75,312
zonesubty97.9%73,709
staticbfe0.2%155
elevmin98.4%74,118
elevmax98.4%74,118
elevavg98.4%74,118
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
naicscode24.3%18,298
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%75,313
centroidx100%75,313
centroidy100%75,313
surfpointx100%75,313
surfpointy100%75,313
geom100%75,313
extras100%75,312
lrversion100%75,313

Schema mapping

How source columns from the acquired Walworth 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 — Walworth County, Wisconsin (55127) 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 stateid taxparcelid taxrollyear propclass impvalue lndvalue cntassdvalue assdacres ownernme1 pstladress siteadress placename state zipcode loaddate geom schooldist 29 cols ⇢ parcelid parcelid2 taxacctnum taxyear usecode imprvalue landvalue totalvalue taxacres ownername owneraddr parceladdr parcelcity parcelstate parcelzip updated 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 98.4% elevmin 98.4% elevmax 98.4% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 97.9% zonesubty 0.2% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 92.0% numbldgs 64.0% numunits lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxyear taxdistrict usecode numbldgs numunits imprvalue landvalue totalvalue taxacres calcarea ownertype ownername owneraddr 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 (46) — empty or below 50% fill in this county parentid, stackid, usedesc, zoningcode, zoningdesc, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, agvalue, saleamt, saledate 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 18 mapped · 29 kept in extras · 36 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcelid stateid taxparcelid taxrollyear propclass impvalue lndvalue cntassdvalue assdacres ownernme1 pstladress siteadress placename state zipcode loaddate geom schooldist parcelid parcelid2 taxacctnum taxyear usecode imprvalue landvalue totalvalue taxacres ownername owneraddr parceladdr parcelcity parcelstate parcelzip updated geom taxdistrict extras · 29 source columns preserved as json parceldate, ownernme2, addnumprefix, addnum, addnumsuffix prefix, streetname, streettype, suffix, landmarkname unittype, unitid, zip4, schooldistno, improved, forestvalue estfmkvalue, netprpta, grsprpta, auxclass, deedacres gisacres, coname, parcelfips, parcelsrc, shape_area shape_len, longitude, latitude extras not present in source — filled with NULL (36) usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, agvalue, saleamt, saledate ownercity, ownerstate, ownerzip, legaldesc, township, section, qtrsection, range, plssdesc, book, page, block, lot, sourceurl, parentid fireplaces, heating, cooling, foundation, roofcover, siding, heatfuel

Neighboring counties

Parcel data for counties bordering Walworth County:

On this page

Attribute coverageSchema mappingNeighboring countiesRelated