Jefferson County, WI Parcels & GIS Data

Jefferson County, WI parcel data: 45,202 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Jefferson County, Wisconsin parcel data covering 45,202 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

Official county website: https://apps.jeffersoncountywi.gov/jc/jclrs

The FIPS code for Jefferson County is 55055.

WalworthRockDaneDodgeWaukeshaJefferson
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Attribute coverage

Jefferson County contains 45,202 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%45,202
parcelid100%45,202
parcelid2100%45,202
ogparcelid100%45,202
ogparcelid2100%45,202
parentid<0.1%0
stackid<0.1%0
geoid100%45,202
statefp100%45,202
countyfp100%45,202
countyname100%45,202
cousubfp100%45,202
cousubname100%45,202
tractce100%45,202
tractname100%45,202
taxacctnum<0.1%0
taxyear100%45,202
taxdistrict100%45,202
usecode93.3%42,180
usedesc<0.1%15
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs71.3%32,219
numunits71.2%32,205
yearbuilt<0.1%0
numfloors<0.1%0
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue100%45,183
landvalue100%45,197
agvalue<0.1%0
totalvalue100%45,197
taxacres100%45,201
calcarea100%45,202
saleamt<0.1%0
saledate<0.1%0
ownertype100%45,202
ownername100%45,202
owneraddr100%45,200
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr74.9%33,842
parcelcity100%45,202
parcelstate100%45,202
parcelzip100%45,202
legaldesc<0.1%0
township100%45,196
section100%45,196
qtrsection100%45,196
range100%45,196
plssdesc100%45,196
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype0.2%86
accesstype2.8%1,251
iucnclass2.0%885
placename58.4%26,380
placetype6.8%3,083
firmid100%45,202
firmdate100%45,202
fldzone100%45,202
zonesubty93.5%42,282
staticbfe0.1%61
elevmin2.8%1,259
elevmax2.8%1,259
elevavg2.8%1,259
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
naicscode63.7%28,787
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%45,202
centroidx100%45,202
centroidy100%45,202
surfpointx100%45,202
surfpointy100%45,202
geom100%45,202
extras100%45,202
ownerlist65.3%29,530
placefp55.3%24,981
zoningurl<0.1%0

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 2026-08-30 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 parcelid stateid taxparceli taxrollyea propclass impvalue lndvalue cntassdval assdacres ownernme1 ownernme2 pstladress siteadress placename state zipcode loaddate geom schooldist 24 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 2.8% elevmin 2.8% elevmax 2.8% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 93.5% zonesubty 0.1% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 71.3% numbldgs 71.2% numunits 100% township 100% section 100% qtrsection 100% range 100% plssdesc 58.4% placename 63.7% naicscode 65.3% ownerlist 55.3% placefp 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 township section qtrsection range plssdesc placename firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg naicscode updated centroidx centroidy surfpointx surfpointy geom extras ownerlist placefp publish.parcel_layer columns not fed by these sources (40) — 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, book, page, block, lot, parceltype, accesstype, iucnclass, placetype, fireplaces, heating, heatfuel cooling, foundation, roofcover, siding, bldgtype, frsid, dfrurl, caapermit, cwapermit, rcrapermit, zoningurl PARCEL 18 mapped · 13 transformed · 24 kept in extras · 36 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcelid stateid taxparceli taxrollyea propclass impvalue lndvalue cntassdval assdacres ownernme1 ownernme2 pstladress siteadress placename state zipcode loaddate geom schooldist parcelid NULLIF(parcelid, '')::text parcelid2 NULLIF(stateid, '')::text taxacctnum NULLIF(taxparceli, '')::text taxyear NULLIF(taxrollyea, '')::text usecode NULLIF(propclass, '')::text imprvalue landvalue totalvalue taxacres ownername CASE WHEN (ownernme1 IS NULL OR ownernme1 = '') AND (ownernme2 … owneraddr NULLIF(pstladress, '')::text parceladdr NULLIF(siteadress, '')::text parcelcity NULLIF(placename, '')::text parcelstate NULLIF(state, '')::text parcelzip NULLIF(zipcode, '')::text updated NULLIF(loaddate, '')::text geom taxdistrict NULLIF(schooldist, '')::text extras · 24 source columns preserved as json id, parceldate, mflvalue, estfmkvalu, netprpta, grsprpta auxclass, deedacres, gisacres, coname, parcelfips, parcelsrc longitude, latitude, zip4, schooldi_1, landmarkna, unittype unitid, streetname, streettype, addnum, addnumpref addnumsuff 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 heatfuel, fireplaces, heating, cooling, foundation, roofcover, siding

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 45,202 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.

Does Jefferson County, WI have an official GIS or property records website?

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

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