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Sauk County, WI Parcels & GIS Data

Sauk County, WI parcel data: 59,366 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Sauk County, Wisconsin parcel data covering 59,366 property records.

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

Sauk County is a county in Wisconsin. It is named after a large village of the Sauk people. As of the 2020 census, the population was 65,763. Its county seat and largest city is Baraboo.

FIPS 55111

Official county website: http://www.co.sauk.wi.us

The FIPS code for Sauk County is 55111.

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Attribute coverage

Sauk County contains 59,366 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%59,366
parcelid100%59,366
parcelid2100%59,358
ogparcelid100%59,366
ogparcelid2100%59,358
parentid<0.1%0
stackid<0.1%0
geoid100%59,366
statefp100%59,366
countyfp100%59,366
countyname100%59,366
cousubfp100%59,366
cousubname100%59,366
tractce100%59,366
tractname100%59,366
taxacctnum<0.1%10
taxyear100%59,361
taxdistrict100%59,363
usecode88.7%52,652
usedesc<0.1%0
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs93.9%55,766
numunits48.9%29,015
yearbuilt<0.1%0
numfloors0.1%67
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue57.8%34,290
landvalue88.4%52,477
agvalue<0.1%0
totalvalue88.4%52,486
taxacres98.1%58,251
calcarea100%59,366
saleamt<0.1%0
saledate<0.1%0
ownertype100%59,356
ownername100%59,356
owneraddr100%59,351
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr81.9%48,637
parcelcity100%59,363
parcelstate100%59,366
parcelzip100%59,366
legaldesc<0.1%6
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
parceltype4.6%2,717
accesstype4.6%2,717
iucnclass2.7%1,631
placename10.6%6,315
placetype10.5%6,256
firmid100%59,366
firmdate100%59,366
fldzone100%59,366
zonesubty97.7%58,002
staticbfe<0.1%18
elevmin99.7%59,187
elevmax99.7%59,187
elevavg99.7%59,187
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
naicscode28.7%17,032
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%59,358
centroidx100%59,366
centroidy100%59,366
surfpointx100%59,366
surfpointy100%59,366
geom100%59,366
extras100%59,366
ownerlist<0.1%0

Schema mapping

How source columns from the acquired Sauk 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 — Sauk County, Wisconsin (55111) 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 parcelid stateid taxparcelid taxrollyear propclass impvalue lndvalue cntassdvalue assdacres ownernme1 pstladress siteadress placename state zipcode loaddate geom schooldist 29 cols ⇢ parcelid parcelid2 taxacctnum 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 97.7% zonesubty 0.0% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 93.9% numbldgs lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxyear taxdistrict usecode numbldgs imprvalue landvalue totalvalue taxacres calcarea ownertype ownername owneraddr parceladdr parcelcity parcelstate parcelzip firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras publish.parcel_layer columns not fed by these sources (48) — empty or below 50% fill in this county parentid, stackid, usedesc, zoningcode, zoningdesc, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, agvalue, saleamt saledate, ownercity, ownerstate, ownerzip, legaldesc, 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 18 mapped · 29 kept in extras · 36 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcelid stateid taxparcelid taxrollyear propclass impvalue lndvalue cntassdvalue assdacres ownernme1 pstladress siteadress placename state zipcode loaddate geom schooldist parcelid parcelid2 taxacctnum taxyear usecode imprvalue landvalue totalvalue taxacres ownername owneraddr parceladdr parcelcity parcelstate parcelzip updated geom taxdistrict extras · 29 source columns preserved as json parceldate, ownernme2, addnumprefix, addnum, addnumsuffix prefix, streetname, streettype, suffix, landmarkname unittype, unitid, zip4, schooldistno, improved, forestvalue estfmkvalue, netprpta, grsprpta, auxclass, deedacres gisacres, coname, parcelfips, parcelsrc, shape_area shape_len, longitude, latitude extras not present in source — filled with NULL (36) 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 fireplaces, heating, cooling, foundation, roofcover, siding, heatfuel

Neighboring counties

Parcel data for counties bordering Sauk County:

Frequently asked questions

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

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

How many parcels are in Sauk County, WI?

The current dataset contains 59,366 parcel records for Sauk County, WI, each with its boundary geometry and assessor attributes.

What is the FIPS code for Sauk County, WI?

The FIPS code for Sauk County, WI is 55111.

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

Each Sauk 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 Sauk County, WI parcel data free?

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

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated