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Winnebago County, WI Parcels & GIS Data

Winnebago County, WI parcel data: 80,556 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Winnebago County, Wisconsin parcel data covering 80,556 property records.

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

Winnebago County is a county in the U.S. state of Wisconsin. As of the 2020 census, the population was 171,730. Its county seat is Oshkosh.

FIPS 55139

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

The FIPS code for Winnebago County is 55139.

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Attribute coverage

Winnebago County contains 80,556 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%80,556
parcelid100%80,556
parcelid2100%80,556
ogparcelid100%80,556
ogparcelid2100%80,556
parentid<0.1%0
stackid<0.1%0
geoid100%80,556
statefp100%80,556
countyfp100%80,556
countyname100%80,556
cousubfp100%80,556
cousubname100%80,556
tractce100%80,556
tractname100%80,556
taxacctnum98.2%79,082
taxyear97.9%78,856
taxdistrict100%80,545
usecode89.2%71,873
usedesc<0.1%0
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs100%80,534
numunits75.9%61,172
yearbuilt<0.1%0
numfloors0.3%204
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue76.0%61,189
landvalue89.0%71,687
agvalue<0.1%0
totalvalue89.2%71,836
taxacres69.7%56,133
calcarea100%80,556
saleamt<0.1%0
saledate<0.1%0
ownertype97.5%78,546
ownername97.5%78,546
owneraddr97.1%78,232
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr95.2%76,729
parcelcity100%80,552
parcelstate100%80,556
parcelzip100%80,556
legaldesc<0.1%0
township100%80,535
section100%80,535
qtrsection100%80,535
range100%80,535
plssdesc100%80,535
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype1.2%948
accesstype1.2%948
iucnclass0.9%736
placename5.1%4,097
placetype5.0%4,043
firmid100%80,555
firmdate100%80,555
fldzone100%80,555
zonesubty94.2%75,912
staticbfe3.4%2,702
elevmin99.9%80,510
elevmax99.9%80,510
elevavg99.9%80,510
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
naicscode21.2%17,061
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%80,556
centroidx100%80,556
centroidy100%80,556
surfpointx100%80,556
surfpointy100%80,556
geom100%80,556
extras100%80,556
ownerlist97.5%78,541
placefp63.4%51,108
zoningurl<0.1%0

Schema mapping

How source columns from the acquired Winnebago 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 — Winnebago County, Wisconsin (55139) 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 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 100% elevmin 100% elevmax 100% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 94.2% zonesubty 3.4% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 100% numbldgs 75.9% numunits 100% township 100% section 100% qtrsection 100% range 100% plssdesc 97.5% ownerlist 63.4% 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 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 (42) — 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, placename, placetype, fireplaces heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit, zoningurl 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 Winnebago County:

Frequently asked questions

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

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

How many parcels are in Winnebago County, WI?

The current dataset contains 80,556 parcel records for Winnebago County, WI, each with its boundary geometry and assessor attributes.

What is the FIPS code for Winnebago County, WI?

The FIPS code for Winnebago County, WI is 55139.

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

Each Winnebago 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 Winnebago County, WI parcel data free?

You can preview Winnebago 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 Winnebago County, WI have an official GIS or property records website?

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated