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Trempealeau County, WI Parcels & GIS Data

Trempealeau County, WI parcel data: 33,810 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Trempealeau County, Wisconsin parcel data covering 33,810 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 33,810 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%33,810
parcelid100%33,810
parcelid296.2%32,539
ogparcelid100%33,810
ogparcelid296.2%32,539
parentid<0.1%0
stackid<0.1%0
geoid100%33,810
statefp100%33,810
countyfp100%33,810
countyname100%33,810
cousubfp100%33,810
cousubname100%33,810
tractce100%33,810
tractname100%33,810
taxacctnum1.1%366
taxyear1.1%368
taxdistrict1.1%368
usecode0.9%312
usedesc<0.1%0
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs1.0%323
numunits0.2%67
yearbuilt<0.1%0
numfloors<0.1%0
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue0.3%87
landvalue0.9%310
agvalue<0.1%0
totalvalue0.9%311
taxacres99.8%33,746
calcarea100%33,810
saleamt<0.1%0
saledate<0.1%0
ownertype96.2%32,534
ownername96.2%32,534
owneraddr96.2%32,534
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr92.8%31,388
parcelcity1.1%368
parcelstate100%33,810
parcelzip99.7%33,723
legaldesc<0.1%0
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book89.0%30,088
page87.0%29,414
block<0.1%0
lot<0.1%0
parceltype2.4%827
accesstype2.4%827
iucnclass2.1%702
placename4.8%1,636
placetype4.8%1,619
firmid100%33,806
firmdate100%33,806
fldzone100%33,806
zonesubty91.9%31,087
staticbfe<0.1%4
elevmin100%33,800
elevmax100%33,800
elevavg100%33,800
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
naicscode68.7%23,225
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated1.1%371
centroidx100%33,810
centroidy100%33,810
surfpointx100%33,810
surfpointy100%33,810
geom100%33,810
extras100%33,810
lrversion100%33,810

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 2026-07-13 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 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 1.1% 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 91.9% zonesubty 0.0% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 100% parcelstate 100% parcelzip 68.7% naicscode lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname 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 lrversion publish.parcel_layer columns not fed by these sources (52) — empty or below 50% fill in this county parentid, stackid, taxacctnum, taxyear, 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 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:

On this page

Attribute coverageSchema mappingNeighboring countiesRelated