Jefferson County, WI Parcels & GIS Data

Jefferson County, WI parcel data: 44,962 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Jefferson County, Wisconsin parcel data covering 44,962 property records.

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

Jefferson County is a county in the U.S. state of Wisconsin. As of the 2020 census, the population was 84,900. Its county seat is Jefferson.

FIPS 55055

The FIPS code for Jefferson County is 55055.

WalworthRockDaneDodgeWaukeshaJefferson

Attribute coverage

Jefferson County contains 44,962 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%44,962
parcelid100%44,962
parcelid2100%44,962
ogparcelid100%44,962
ogparcelid2100%44,962
parentid<0.1%0
stackid<0.1%0
geoid100%44,962
statefp100%44,962
countyfp100%44,962
countyname100%44,962
cousubfp100%44,962
cousubname100%44,962
tractce100%44,962
tractname100%44,962
taxacctnum<0.1%0
taxyear100%44,962
taxdistrict99.9%44,933
usecode92.9%41,789
usedesc<0.1%0
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs25.6%11,503
numunits19.5%8,790
yearbuilt<0.1%0
numfloors<0.1%9
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue71.2%32,001
landvalue92.7%41,699
agvalue<0.1%0
totalvalue92.9%41,755
taxacres99.2%44,586
calcarea100%44,962
saleamt<0.1%0
saledate<0.1%0
ownertype99.9%44,936
ownername99.9%44,936
owneraddr100%44,945
ownercity<0.1%18
ownerstate<0.1%18
ownerzip<0.1%18
parceladdr77.0%34,618
parcelcity100%44,947
parcelstate100%44,962
parcelzip100%44,962
legaldesc<0.1%0
township99.9%44,910
section99.9%44,910
qtrsection99.9%44,910
range99.9%44,910
plssdesc99.9%44,910
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype2.8%1,254
accesstype2.8%1,254
iucnclass2.0%887
placename7.0%3,148
placetype6.9%3,097
firmid100%44,962
firmdate100%44,962
fldzone100%44,962
zonesubty93.5%42,041
staticbfe0.1%62
elevmin2.9%1,315
elevmax2.9%1,315
elevavg2.9%1,315
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
naicscode21.4%9,625
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated99.9%44,933
centroidx100%44,962
centroidy100%44,962
surfpointx100%44,962
surfpointy100%44,962
geom100%44,962
extras100%44,962
ownerlist99.9%44,935

Schema mapping

How source columns from the acquired Jefferson 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 — Jefferson County, Wisconsin (55055) 1 entity · most recent acquisition per entity · generated 2026-08-08 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 geom · derived from geometry geom dem.us_1m · USGS 1m DEM 2.9% elevmin 2.9% elevmax 2.9% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 93.5% zonesubty 0.1% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 100% township 100% section 100% qtrsection 100% range 100% plssdesc 100% ownerlist lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxyear taxdistrict usecode imprvalue landvalue totalvalue taxacres calcarea ownertype ownername owneraddr parceladdr parcelcity parcelstate parcelzip township section qtrsection range plssdesc firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist publish.parcel_layer columns not fed by these sources (43) — empty or below 50% fill in this county parentid, stackid, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, agvalue saleamt, saledate, ownercity, ownerstate, ownerzip, legaldesc, 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 Jefferson County:

Frequently asked questions

Where can I find Jefferson County, WI parcel and GIS data?

Land Records publishes a Jefferson County, WI 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 Jefferson County, WI dataset as a GeoPackage or CSV.

How many parcels are in Jefferson County, WI?

The current dataset contains 44,962 parcel records for Jefferson County, WI, each with its boundary geometry and assessor attributes.

What is the FIPS code for Jefferson County, WI?

The FIPS code for Jefferson County, WI is 55055.

What information does each Jefferson County, WI parcel record include?

Each Jefferson County, WI 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 Jefferson County, WI parcel data free?

You can preview Jefferson County, WI 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.

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