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Winnebago County, WI Parcels & GIS Data

Winnebago County, WI parcel data: 80,562 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Winnebago County, Wisconsin parcel data covering 80,562 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 80,562 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%80,562
parcelid100%80,562
parcelid2100%80,562
ogparcelid100%80,562
ogparcelid2100%80,562
parentid<0.1%0
stackid<0.1%0
geoid100%80,562
statefp100%80,562
countyfp100%80,562
countyname100%80,562
cousubfp100%80,562
cousubname100%80,562
tractce100%80,562
tractname100%80,562
taxacctnum98.2%79,119
taxyear97.9%78,865
taxdistrict100%80,548
usecode89.2%71,874
usedesc<0.1%0
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs100%80,536
numunits75.9%61,175
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%61,192
landvalue89.0%71,688
agvalue<0.1%0
totalvalue89.2%71,837
taxacres69.7%56,142
calcarea100%80,562
saleamt<0.1%0
saledate<0.1%0
ownertype97.5%78,555
ownername97.5%78,555
owneraddr97.1%78,243
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr95.2%76,734
parcelcity100%80,555
parcelstate100%80,562
parcelzip100%80,562
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
parceltype1.2%950
accesstype1.2%950
iucnclass0.9%738
placename5.1%4,098
placetype5.0%4,044
firmid100%80,560
firmdate100%80,560
fldzone100%80,560
zonesubty94.2%75,918
staticbfe3.4%2,706
elevmin99.9%80,517
elevmax99.9%80,517
elevavg99.9%80,517
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%17,071
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%80,562
centroidx100%80,562
centroidy100%80,562
surfpointx100%80,562
surfpointy100%80,562
geom100%80,562
extras100%80,562
lrversion100%80,562

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 2026-07-13 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 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 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 Winnebago County:

On this page

Attribute coverageSchema mappingNeighboring countiesRelated