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Columbia County, WI Parcels & GIS Data

Columbia County, WI parcel data: 44,644 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Columbia County, Wisconsin parcel data covering 44,644 property records.

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

Columbia County is a county located in the U.S. state of Wisconsin. As of the 2020 census, the population was 58,490. Its county seat and largest city is Portage.

FIPS 55021

The FIPS code for Columbia County is 55021.

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Attribute coverage

Columbia County contains 44,644 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%44,644
parcelid100%44,644
parcelid20.7%297
ogparcelid100%44,644
ogparcelid20.7%297
parentid<0.1%0
stackid<0.1%0
geoid100%44,644
statefp100%44,644
countyfp100%44,644
countyname100%44,644
cousubfp100%44,644
cousubname100%44,644
tractce100%44,644
tractname100%44,644
taxacctnum0.7%297
taxyear100%44,633
taxdistrict98.3%43,902
usecode0.5%238
usedesc<0.1%0
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs57.1%25,503
numunits56.8%25,336
yearbuilt<0.1%0
numfloors<0.1%0
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue56.8%25,349
landvalue88.8%39,657
agvalue<0.1%0
totalvalue0.5%238
taxacres98.3%43,888
calcarea100%44,644
saleamt<0.1%0
saledate<0.1%0
ownertype98.3%43,897
ownername98.3%43,897
owneraddr0.6%286
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr98.1%43,780
parcelcity98.3%43,901
parcelstate100%44,644
parcelzip100%44,644
legaldesc97.7%43,611
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
parceltype3.0%1,349
accesstype3.0%1,349
iucnclass2.7%1,208
placename6.5%2,903
placetype6.3%2,828
firmid100%44,642
firmdate100%44,642
fldzone100%44,642
zonesubty94.9%42,348
staticbfe0.1%52
elevmin99.7%44,509
elevmax99.7%44,509
elevavg99.7%44,509
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
naicscode23.1%10,296
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated0.7%297
centroidx100%44,644
centroidy100%44,644
surfpointx100%44,644
surfpointy100%44,644
geom100%44,644
extras100%44,644
lrversion100%44,644

Schema mapping

How source columns from the acquired Columbia 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 — Columbia County, Wisconsin (55021) 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 tax_parcel_number assessment_year improvement_value land_value total_acres owner_names address_1 city state zip parcel_description web_record geom school_district 11 cols ⇢ parcelid taxyear imprvalue landvalue taxacres ownername parceladdr parcelcity parcelstate parcelzip legaldesc sourceurl geom taxdistrict extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 0.7% 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 94.9% zonesubty 0.1% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 57.1% numbldgs 56.8% numunits lrid parcelid ogparcelid geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxyear taxdistrict numbldgs numunits imprvalue landvalue taxacres calcarea ownertype ownername parceladdr parcelcity parcelstate parcelzip legaldesc 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 (51) — empty or below 50% fill in this county parcelid2, ogparcelid2, parentid, stackid, taxacctnum, usecode, usedesc, zoningcode, zoningdesc, yearbuilt, numfloors, bldgsqft, bedrooms halfbaths, fullbaths, agvalue, totalvalue, saleamt, saledate, owneraddr, ownercity, ownerstate, ownerzip, 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 14 mapped · 11 kept in extras · 40 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL tax_parcel_number assessment_year improvement_value land_value total_acres owner_names address_1 city state zip parcel_description web_record geom school_district parcelid taxyear imprvalue landvalue taxacres ownername parceladdr parcelcity parcelstate parcelzip legaldesc sourceurl geom taxdistrict extras · 11 source columns preserved as json parcel_id, municipal_code, parcel_number, municipal_name owner_name_1, owner_name_2, address_2, zip4, parcel_status shape_starea__, shape_stlength__ extras not present in source — filled with NULL (40) parcelid2, taxacctnum, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths fullbaths, agvalue, totalvalue, saleamt, saledate, owneraddr, ownercity, ownerstate, ownerzip, township, section, qtrsection, range, plssdesc book, page, block, lot, updated, parentid, fireplaces, heating, cooling, foundation, roofcover, siding, heatfuel

Neighboring counties

Parcel data for counties bordering Columbia County:

On this page

Attribute coverageSchema mappingNeighboring countiesRelated