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Dane County, WI Parcels & GIS Data

Dane County, WI parcel data: 251,766 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Dane County, Wisconsin parcel data covering 251,766 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: https://countyofdane.com/

The FIPS code for Dane County is 55025.

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Attribute coverage

Dane County contains 251,766 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%251,766
parcelid100%251,766
parcelid2100%251,766
ogparcelid100%251,766
ogparcelid2100%251,766
parentid<0.1%0
stackid<0.1%0
geoid100%251,766
statefp100%251,766
countyfp100%251,766
countyname100%251,766
cousubfp100%251,766
cousubname100%251,766
tractce100%251,766
tractname100%251,766
taxacctnum<0.1%121
taxyear100%251,766
taxdistrict100%251,762
usecode94.4%237,757
usedesc<0.1%0
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs83.6%210,516
numunits81.2%204,493
yearbuilt<0.1%0
numfloors1.1%2,874
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue97.2%244,704
landvalue98.1%246,929
agvalue<0.1%6
totalvalue98.4%247,747
taxacres99.0%249,286
calcarea100%251,766
saleamt<0.1%0
saledate<0.1%0
ownertype100%251,758
ownername100%251,758
owneraddr99.9%251,568
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr88.6%223,163
parcelcity100%251,763
parcelstate100%251,766
parcelzip100%251,757
legaldesc<0.1%0
township100%251,692
section100%251,692
qtrsection100%251,692
range100%251,692
plssdesc100%251,692
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype0.6%1,423
accesstype1.4%3,439
iucnclass0.6%1,615
placename70.9%178,548
placetype12.5%31,487
firmid100%251,766
firmdate100%251,766
fldzone100%251,766
zonesubty98.6%248,117
staticbfe0.2%481
elevmin99.9%251,631
elevmax99.9%251,631
elevavg99.9%251,631
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
naicscode77.0%193,897
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%251,766
centroidx100%251,766
centroidy100%251,766
surfpointx100%251,766
surfpointy100%251,766
geom100%251,766
extras100%251,766
ownerlist68.1%171,405
placefp78.2%196,841
zoningurl<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) 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 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 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 98.6% zonesubty 0.2% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 83.6% numbldgs 81.2% numunits 100% township 100% section 100% qtrsection 100% range 100% plssdesc 70.9% placename 77.0% naicscode 68.1% ownerlist 78.2% placefp lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxyear taxdistrict usecode numbldgs numunits imprvalue landvalue totalvalue taxacres calcarea ownertype ownername owneraddr parceladdr parcelcity parcelstate parcelzip township section qtrsection range plssdesc placename firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg naicscode updated centroidx centroidy surfpointx surfpointy geom extras ownerlist placefp publish.parcel_layer columns not fed by these sources (41) — empty or below 50% fill in this county parentid, stackid, taxacctnum, usedesc, zoningcode, zoningdesc, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, agvalue saleamt, saledate, ownercity, ownerstate, ownerzip, legaldesc, book, page, block, lot, parceltype, accesstype, iucnclass, placetype, fireplaces heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, frsid, dfrurl, caapermit, cwapermit, rcrapermit, zoningurl 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

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 251,766 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