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Columbia County, WI Parcels & GIS Data

Columbia County, WI parcel data: 44,603 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Columbia County, Wisconsin parcel data covering 44,603 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 44,603 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%44,603
parcelid100%44,603
parcelid20.6%256
ogparcelid100%44,603
ogparcelid20.6%256
parentid<0.1%0
stackid<0.1%0
geoid100%44,603
statefp100%44,603
countyfp100%44,603
countyname100%44,603
cousubfp100%44,603
cousubname100%44,603
tractce100%44,603
tractname100%44,603
taxacctnum0.6%256
taxyear100%44,593
taxdistrict98.3%43,861
usecode0.5%205
usedesc<0.1%0
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs57.1%25,471
numunits56.8%25,322
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%25,331
landvalue88.8%39,624
agvalue<0.1%0
totalvalue0.5%205
taxacres98.3%43,849
calcarea100%44,603
saleamt<0.1%0
saledate<0.1%0
ownertype98.3%43,857
ownername98.3%43,857
owneraddr0.6%246
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr98.1%43,752
parcelcity98.3%43,861
parcelstate100%44,603
parcelzip100%44,603
legaldesc97.8%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%1,347
accesstype3.0%1,347
iucnclass2.7%1,206
placename6.5%2,899
placetype6.3%2,824
firmid100%44,601
firmdate100%44,601
fldzone100%44,601
zonesubty94.9%42,307
staticbfe0.1%52
elevmin99.7%44,469
elevmax99.7%44,469
elevavg99.7%44,469
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%10,289
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated0.6%256
centroidx100%44,603
centroidy100%44,603
surfpointx100%44,603
surfpointy100%44,603
geom100%44,603
extras100%44,603
ownerlist<0.1%0

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 2026-07-25 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 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 0.6% 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 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 publish.parcel_layer columns not fed by these sources (52) — 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, ownerlist 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:

Frequently asked questions

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

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

How many parcels are in Columbia County, WI?

The current dataset contains 44,603 parcel records for Columbia County, WI, each with its boundary geometry and assessor attributes.

What is the FIPS code for Columbia County, WI?

The FIPS code for Columbia County, WI is 55021.

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

Each Columbia 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 Columbia County, WI parcel data free?

You can preview Columbia 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.

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated