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Dane County, WI Parcels & GIS Data

Dane County, WI parcel data: 219,456 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Dane County, Wisconsin parcel data covering 219,456 property records.

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

Dane County is a county in the U.S. state of Wisconsin. The population was 561,504 at the 2020 census, making it the second-most populous county in Wisconsin, after Milwaukee County. The county seat is Madison, which is also the state capital.

FIPS 55025

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

The FIPS code for Dane County is 55025.

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Attribute coverage

Dane County contains 219,456 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL). For the LBCS columns, only real classifications count: the to-be-determined and not-applicable placeholder codes are excluded.

ColumnCoverageRecords populated
lrid100%219,456
parcelid100%219,456
parcelid2100%219,456
ogparcelid100%219,456
ogparcelid2100%219,456
parentid<0.1%0
stackid<0.1%0
geoid100%219,456
statefp100%219,456
countyfp100%219,456
countyname100%219,456
cousubfp100%219,456
cousubname100%219,456
tractce100%219,456
tractname100%219,456
taxacctnum<0.1%0
taxyear100%219,456
taxdistrict100%219,455
usecode95.2%208,882
usedesc86.5%189,796
zoningcode78.5%172,285
zoningdesc28.6%62,689
numbldgs100%219,456
numunits80.9%177,595
yearbuilt<0.1%0
numfloors4.1%9,011
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue99.7%218,895
landvalue99.9%219,187
agvalue<0.1%0
totalvalue99.9%219,188
taxacres100%219,444
calcarea100%219,456
saleamt<0.1%0
saledate<0.1%0
ownertype100%219,454
ownername100%219,454
owneraddr99.9%219,295
ownercity99.9%219,266
ownerstate99.9%219,265
ownerzip99.9%219,285
parceladdr88.2%193,508
parcelcity100%219,456
parcelstate100%219,456
parcelzip100%219,447
legaldesc<0.1%0
township100%219,451
section100%219,451
qtrsection100%219,451
range100%219,451
plssdesc100%219,451
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype0.6%1,288
accesstype1.5%3,266
iucnclass0.7%1,541
placename11.3%24,786
placetype11.1%24,462
firmid100%219,456
firmdate100%219,456
fldzone100%219,456
zonesubty98.4%215,983
staticbfe0.2%448
elevmin99.9%219,331
elevmax99.9%219,331
elevavg99.9%219,331
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
naicscode17.1%37,499
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%219,456
centroidx100%219,456
centroidy100%219,456
surfpointx100%219,456
surfpointy100%219,456
geom100%219,456
extras100%219,456
ownerlist65.7%144,244
placefp76.7%168,336
zoningurl76.6%168,171
lbcsactivity97.2%213,212
lbcsfunction96.8%212,383
lbcstype97.4%213,714
lbcscharacter97.4%213,658
lbcsownership100%219,454
sourceurl<0.1%0

Schema mapping

How source columns from the acquired Dane 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 — Dane County, Wisconsin (55025) 2 entities · most recent acquisition per entity · generated 2026-10-17 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 taxrollyea propclass impvalue lndvalue cntassdval assdacres ownernme1 ownernme2 pstladress siteadress placename state zipcode loaddate geom schooldist id taxparceli parceldate addnumpref addnum addnumsuff prefix streetname streettype suffix landmarkna unittype unitid zip4 schooldi_1 mflvalue estfmkvalu netprpta grsprpta auxclass deedacres gisacres coname parcelfips parcelsrc longitude latitude parcelid parcelid2 taxyear usecode imprvalue landvalue totalvalue taxacres ownername owneraddr parceladdr parcelcity parcelstate parcelzip updated geom taxdistrict extras ZONING code_decoded ordinanceurl geom 7 cols ⇢ zoningcode sourceurl geom 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 98.4% zonesubty 0.2% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 86.5% usedesc 100% numbldgs 80.9% numunits 100% ownercity 100% ownerstate 100% ownerzip 100% township 100% section 100% qtrsection 100% range 100% plssdesc 65.7% ownerlist 76.7% placefp 76.6% zoningurl 97.2% lbcsactivity 96.8% lbcsfunction 97.4% lbcstype 97.4% lbcscharacter 100% lbcsownership lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxyear taxdistrict usecode usedesc zoningcode numbldgs numunits imprvalue landvalue totalvalue taxacres calcarea ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip township section qtrsection range plssdesc firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist placefp zoningurl lbcsactivity lbcsfunction lbcstype lbcscharacter lbcsownership sourceurl publish.parcel_layer columns not fed by these sources (37) — empty or below 50% fill in this county parentid, stackid, taxacctnum, zoningdesc, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, agvalue, saleamt, saledate legaldesc, book, page, block, lot, parceltype, accesstype, iucnclass, placename, placetype, fireplaces, heating, heatfuel, cooling, foundation roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit PARCEL 18 mapped · 2 transformed · 38 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcelid stateid taxrollyea propclass impvalue lndvalue cntassdval assdacres ownernme1 ownernme2 pstladress siteadress placename state zipcode loaddate geom schooldist id taxparceli parceldate addnumpref addnum addnumsuff prefix streetname streettype suffix landmarkna unittype unitid zip4 schooldi_1 mflvalue estfmkvalu netprpta grsprpta auxclass deedacres gisacres coname parcelfips parcelsrc longitude latitude parcelid parcelid2 taxyear usecode imprvalue landvalue totalvalue taxacres ownername concat_ws(';', ownernme1, ownernme2)::text owneraddr parceladdr parcelcity parcelstate parcelzip updated geom taxdistrict extras ( json_build_object( 'id', id::text, 'taxparceli', taxparceli::… not present in source — filled with NULL (38) taxacctnum, 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, zoningurl ZONING 3 mapped · 7 kept in extras · 6 unmapped (NULL) SOURCE COLUMNS HARMONIZED → ZONING code_decoded ordinanceurl geom zoningcode sourceurl geom extras · 7 source columns preserved as json uid, userid, editdate, code, overlay, acres, globalid extras not present in source — filled with NULL (6) zoningdesc, zoningtype, ordinance, setbacks, restrictions, notes

Neighboring counties

Parcel data for counties bordering Dane County:

Frequently asked questions

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

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

How many parcels are in Dane County, WI?

The current dataset contains 219,456 parcel records for Dane County, WI, each with its boundary geometry and assessor attributes.

What is the FIPS code for Dane County, WI?

The FIPS code for Dane County, WI is 55025.

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

Each Dane 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 Dane County, WI parcel data free?

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

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated