Columbia County, WI Parcels & GIS Data

Columbia County, WI parcel data: 44,362 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Columbia County, Wisconsin parcel data covering 44,362 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

Official county website: https://www.co.columbia.wi.us/

The FIPS code for Columbia County is 55021.

JuneauAdamsGreen LakeMarquetteSaukDaneDodgeColumbia
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Attribute coverage

Columbia County contains 44,362 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%44,362
parcelid100%44,362
parcelid2<0.1%0
ogparcelid100%44,362
ogparcelid2<0.1%0
parentid<0.1%0
stackid<0.1%0
geoid100%44,362
statefp100%44,362
countyfp100%44,362
countyname100%44,362
cousubfp100%44,362
cousubname100%44,362
tractce100%44,362
tractname100%44,362
taxacctnum<0.1%0
taxyear100%44,362
taxdistrict98.3%43,624
usecode<0.1%0
usedesc<0.1%0
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs56.9%25,255
numunits56.9%25,255
yearbuilt<0.1%0
numfloors<0.1%0
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue56.9%25,255
landvalue88.9%39,432
agvalue<0.1%0
totalvalue<0.1%0
taxacres98.3%43,624
calcarea100%44,362
saleamt<0.1%0
saledate<0.1%0
ownertype98.3%43,624
ownername98.3%43,624
owneraddr<0.1%0
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr98.3%43,624
parcelcity98.3%43,624
parcelstate100%44,362
parcelzip100%44,362
legaldesc98.3%43,624
township99.9%44,332
section99.9%44,332
qtrsection99.9%44,332
range99.9%44,332
plssdesc99.9%44,332
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype3.0%1,330
accesstype3.0%1,330
iucnclass2.7%1,189
placename6.5%2,871
placetype6.3%2,796
firmid100%44,360
firmdate100%44,360
fldzone100%44,360
zonesubty94.9%42,088
staticbfe0.1%51
elevmin99.7%44,235
elevmax99.7%44,235
elevavg99.7%44,235
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
naicscode23.0%10,220
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated<0.1%0
centroidx100%44,362
centroidy100%44,362
surfpointx100%44,362
surfpointy100%44,362
geom100%44,362
extras100%44,362
ownerlist98.3%43,593
placefp0.5%228
zoningurl<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 2026-08-30 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 taxparceli taxrollyea impvalue lndvalue cntassdval assdacres ownernme1 ownernme2 pstladress siteadress placename state zipcode loaddate geom schooldist 27 cols ⇢ parcelid parcelid2 taxacctnum taxyear 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 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 56.9% numbldgs 56.9% numunits 98.3% legaldesc 100% township 100% section 100% qtrsection 100% range 100% plssdesc 98.3% ownerlist lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxyear taxdistrict numbldgs numunits imprvalue landvalue totalvalue taxacres calcarea ownertype ownername owneraddr parceladdr parcelcity parcelstate parcelzip legaldesc township section qtrsection range plssdesc firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist publish.parcel_layer columns not fed by these sources (43) — empty or below 50% fill in this county parentid, stackid, usecode, usedesc, zoningcode, zoningdesc, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, agvalue, saleamt saledate, ownercity, ownerstate, ownerzip, book, page, block, lot, parceltype, accesstype, iucnclass, placename, placetype, fireplaces, heating heatfuel, cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit, placefp, zoningurl PARCEL 17 mapped · 1 transformed · 27 kept in extras · 37 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcelid stateid taxparceli taxrollyea impvalue lndvalue cntassdval assdacres ownernme1 ownernme2 pstladress siteadress placename state zipcode loaddate geom schooldist parcelid parcelid2 taxacctnum taxyear imprvalue landvalue totalvalue taxacres ownername NULLIF(concat_ws('; ', ownernme1, ownernme2), '')::text owneraddr parceladdr parcelcity parcelstate parcelzip updated geom taxdistrict extras · 27 source columns preserved as json id, parceldate, addnumpref, addnum, addnumsuff, prefix streetname, streettype, suffix, landmarkna, unittype, unitid zip4, schooldi_1, mflvalue, estfmkvalu, netprpta, grsprpta propclass, auxclass, deedacres, gisacres, coname, parcelfips parcelsrc, longitude, latitude extras not present in source — filled with NULL (37) usecode, 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, heatfuel, fireplaces, heating, cooling, foundation, roofcover, siding

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 44,362 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.

Does Columbia County, WI have an official GIS or property records website?

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

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