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Rock County, WI Parcels & GIS Data

Rock County, WI parcel data: 72,598 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Rock County, Wisconsin parcel data covering 72,598 property records.

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

Rock County is a county in the U.S. state of Wisconsin. As of the 2020 census, the population was 163,687. Its county seat is Janesville.

FIPS 55105

The FIPS code for Rock County is 55105.

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Attribute coverage

Rock County contains 72,598 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%72,598
parcelid100%72,598
parcelid2100%72,598
ogparcelid100%72,598
ogparcelid2<0.1%0
parentid<0.1%0
stackid<0.1%0
geoid100%72,598
statefp100%72,598
countyfp100%72,598
countyname100%72,598
cousubfp100%72,598
cousubname100%72,598
tractce100%72,598
tractname100%72,598
taxacctnum100%72,586
taxyear<0.1%0
taxdistrict100%72,586
usecode96.0%69,659
usedesc<0.1%0
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs<0.1%0
numunits<0.1%0
yearbuilt<0.1%0
numfloors<0.1%0
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue<0.1%0
landvalue<0.1%0
agvalue<0.1%0
totalvalue<0.1%0
taxacres97.6%70,871
calcarea100%72,598
saleamt<0.1%0
saledate<0.1%0
ownertype<0.1%0
ownername100%72,586
owneraddr100%72,586
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr88.8%64,457
parcelcity<0.1%0
parcelstate100%72,598
parcelzip88.9%64,508
legaldesc<0.1%0
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
parceltype0.6%458
accesstype0.6%458
iucnclass0.3%202
placename4.8%3,517
placetype4.8%3,454
firmid100%72,598
firmdate100%72,598
fldzone100%72,598
zonesubty98.3%71,383
staticbfe<0.1%5
elevmin98.2%71,323
elevmax98.2%71,323
elevavg98.2%71,323
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
updated<0.1%0
centroidx100%72,598
centroidy100%72,598
surfpointx100%72,598
surfpointy100%72,598
geom100%72,598
lrversion100%72,598

Neighboring counties

Parcel data for counties bordering Rock County:

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Attribute coverageNeighboring countiesRelated