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Trempealeau County, WI Parcels & GIS Data

Trempealeau County, WI parcel data: 33,661 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Trempealeau County, Wisconsin parcel data covering 33,661 property records.

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

Trempealeau County is a county in the U.S. state of Wisconsin. As of the 2020 census, the population was 30,760. Its county seat is Whitehall.

FIPS 55121

Official county website: http://www.tremplocounty.com

The FIPS code for Trempealeau County is 55121.

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Attribute coverage

Trempealeau County contains 33,661 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%33,661
parcelid100%33,661
parcelid296.2%32,390
ogparcelid100%33,661
ogparcelid296.2%32,390
parentid<0.1%0
stackid<0.1%0
geoid100%33,661
statefp100%33,661
countyfp100%33,661
countyname100%33,661
cousubfp100%33,661
cousubname100%33,661
tractce100%33,661
tractname100%33,661
taxacctnum0.6%217
taxyear0.7%219
taxdistrict0.6%218
usecode0.5%185
usedesc<0.1%0
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs0.5%177
numunits0.1%43
yearbuilt<0.1%0
numfloors<0.1%0
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue0.2%59
landvalue0.5%184
agvalue<0.1%0
totalvalue0.5%185
taxacres99.8%33,598
calcarea100%33,661
saleamt<0.1%0
saledate<0.1%0
ownertype96.2%32,384
ownername96.2%32,384
owneraddr96.2%32,384
ownercity<0.1%11
ownerstate<0.1%11
ownerzip<0.1%5
parceladdr93.1%31,332
parcelcity0.7%219
parcelstate100%33,661
parcelzip99.7%33,574
legaldesc<0.1%0
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book89.4%30,088
page87.4%29,414
block<0.1%0
lot<0.1%0
parceltype2.4%810
accesstype2.4%810
iucnclass2.0%685
placename4.8%1,617
placetype4.8%1,600
firmid100%33,657
firmdate100%33,657
fldzone100%33,657
zonesubty92.1%30,985
staticbfe<0.1%4
elevmin100%33,651
elevmax100%33,651
elevavg100%33,651
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
naicscode68.9%23,176
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated0.7%222
centroidx100%33,661
centroidy100%33,661
surfpointx100%33,661
surfpointy100%33,661
geom100%33,661
extras100%33,661
ownerlist<0.1%0

Schema mapping

How source columns from the acquired Trempealeau 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 — Trempealeau County, Wisconsin (55121) 1 entity · most recent acquisition per entity · generated 2026-07-25 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 pin parcelid gisacres beaconname1 beaconaddress1 beaconaddress2 cvt_no vol page geom monumentation doc beaconname2 beaconcsz parcelid parcelid2 taxacres ownername owneraddr parceladdr township book page geom extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 0.7% taxyear 0.7% updated 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 92.1% zonesubty 0.0% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 100% parcelstate 100% parcelzip 68.9% naicscode lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxyear taxacres calcarea ownertype ownername owneraddr parceladdr parcelstate parcelzip township book page firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg naicscode updated centroidx centroidy surfpointx surfpointy geom extras publish.parcel_layer columns not fed by these sources (52) — empty or below 50% fill in this county parentid, stackid, taxacctnum, taxdistrict, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft bedrooms, halfbaths, fullbaths, imprvalue, landvalue, agvalue, totalvalue, saleamt, saledate, ownercity, ownerstate, ownerzip, parcelcity legaldesc, section, qtrsection, range, plssdesc, block, lot, parceltype, accesstype, iucnclass, placename, placetype, fireplaces, heating heatfuel, cooling, foundation, roofcover, siding, bldgtype, frsid, dfrurl, caapermit, cwapermit, rcrapermit, ownerlist PARCEL 11 mapped · 1 transformed · 44 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL pin parcelid gisacres beaconname1 beaconaddress1 beaconaddress2 cvt_no vol page geom monumentation doc beaconname2 beaconcsz parcelid parcelid2 taxacres ownername owneraddr parceladdr township book page geom extras json_build_object('monumentation', monumentation::text, 'doc', … not present in source — filled with NULL (44) taxacctnum, taxyear, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths fullbaths, imprvalue, landvalue, agvalue, totalvalue, saleamt, saledate, ownercity, ownerstate, ownerzip, parcelcity, parcelstate, parcelzip legaldesc, section, qtrsection, range, plssdesc, block, lot, updated, sourceurl, taxdistrict, parentid, fireplaces, heating, cooling foundation, roofcover, siding, heatfuel

Neighboring counties

Parcel data for counties bordering Trempealeau County:

Frequently asked questions

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

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

How many parcels are in Trempealeau County, WI?

The current dataset contains 33,661 parcel records for Trempealeau County, WI, each with its boundary geometry and assessor attributes.

What is the FIPS code for Trempealeau County, WI?

The FIPS code for Trempealeau County, WI is 55121.

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

Each Trempealeau 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 Trempealeau County, WI parcel data free?

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

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated
Trempealeau County, WI Parcels & GIS Data — Property Records & Maps | Land Records