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Calhoun County, IA Parcels & GIS Data

Calhoun County, IA parcel data: 18,039 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Calhoun County, Iowa parcel data covering 18,039 property records.

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

Calhoun County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 9,927, and was estimated to be 9,562 in 2025. The county seat and largest city is Rockwell City.

FIPS 19025

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

The FIPS code for Calhoun County is 19025.

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Attribute coverage

Calhoun County contains 18,039 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%18,039
parcelid100%18,033
parcelid2<0.1%1
ogparcelid100%18,033
ogparcelid2<0.1%0
parentid<0.1%0
stackid<0.1%0
geoid100%18,039
statefp100%18,039
countyfp100%18,039
countyname100%18,039
cousubfp100%18,039
cousubname100%18,039
tractce100%18,039
tractname100%18,039
taxacctnum<0.1%0
taxyear100%18,039
taxdistrict<0.1%0
usecode<0.1%0
usedesc2.7%495
zoningcode2.7%486
zoningdesc2.7%486
numbldgs48.8%8,809
numunits<0.1%3
yearbuilt<0.1%0
numfloors<0.1%3
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
taxacres<0.1%0
calcarea100%18,039
saleamt<0.1%0
saledate<0.1%0
ownertype99.8%17,997
ownername99.8%17,997
owneraddr<0.1%0
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr44.2%7,974
parcelcity40.6%7,327
parcelstate100%18,039
parcelzip100%18,039
legaldesc<0.1%0
township100%18,039
section100%18,039
qtrsection100%18,039
range100%18,039
plssdesc100%18,039
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype0.5%87
accesstype0.8%136
iucnclass0.5%83
placename2.2%405
placetype2.1%387
firmid99.9%18,025
firmdate99.9%18,025
fldzone99.9%18,025
zonesubty94.8%17,099
staticbfe<0.1%0
elevmin100%18,039
elevmax100%18,039
elevavg100%18,039
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
naicscode1.5%266
frsid0.1%16
dfrurl0.1%16
caapermit0.1%16
cwapermit0.1%16
rcrapermit0.1%16
updated99.0%17,850
centroidx100%18,039
centroidy100%18,039
surfpointx100%18,039
surfpointy100%18,039
geom100%18,039
extras99.9%18,025
ownerlist78.9%14,238
placefp31.3%5,648
zoningurl2.7%486
lbcsactivity6.2%1,125
lbcsfunction6.2%1,125
lbcstype33.4%6,025
lbcscharacter21.9%3,958
lbcsownership99.8%17,997
sourceurl<0.1%0

Schema mapping

How source columns from the acquired Calhoun 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 — Calhoun County, Iowa (19025) 2 entities · most recent acquisition per entity · generated 2026-10-10 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 pin owner housenum address city state zip geom 3 cols ⇢ parcelid ownername parceladdr parcelcity parcelstate parcelzip geom extras ZONING geom zoning districtnamefull classtype zoningnotes 254 cols ⇢ geom zoningcode zoningdesc zoningtype notes extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 100% taxyear 99.0% updated 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 94.8% zonesubty 100% firmdate 100% firmid supplemented · derived / other pipelines 100% township 100% section 100% qtrsection 100% range 100% plssdesc 78.9% ownerlist 100% lbcsownership lrid parcelid ogparcelid geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxyear zoningcode zoningdesc calcarea ownertype ownername parceladdr parcelcity parcelstate parcelzip township section qtrsection range plssdesc firmid firmdate fldzone zonesubty elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist lbcsownership publish.parcel_layer columns not fed by these sources (59) — empty or below 50% fill in this county parcelid2, ogparcelid2, parentid, stackid, taxacctnum, taxdistrict, usecode, usedesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft bedrooms, halfbaths, fullbaths, imprvalue, landvalue, agvalue, totalvalue, taxacres, saleamt, saledate, owneraddr, ownercity, ownerstate ownerzip, legaldesc, book, page, block, lot, parceltype, accesstype, iucnclass, placename, placetype, staticbfe, fireplaces, heating, heatfuel cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit, placefp, zoningurl, lbcsactivity lbcsfunction, lbcstype, lbcscharacter, sourceurl PARCEL 7 mapped · 6 transformed · 3 kept in extras · 47 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL pin owner housenum address city state zip geom parcelid NULLIF(trim(pin), '')::text ownername NULLIF(trim(owner), '')::text parceladdr CASE WHEN coalesce(trim(housenum), '') = '' AND coalesce(trim(a… parcelcity NULLIF(trim(city), '')::text parcelstate NULLIF(trim(state), '')::text parcelzip NULLIF(trim(zip), '')::text geom extras · 3 source columns preserved as json id, shapeid, compid extras not present in source — filled with NULL (47) parcelid2, taxacctnum, taxyear, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms halfbaths, fullbaths, imprvalue, landvalue, agvalue, totalvalue, taxacres, saleamt, saledate, owneraddr, ownercity, ownerstate, ownerzip legaldesc, township, section, qtrsection, range, plssdesc, book, page, block, lot, updated, sourceurl, taxdistrict, parentid, heatfuel fireplaces, heating, cooling, foundation, roofcover, siding ZONING 5 mapped · 254 kept in extras · 4 unmapped (NULL) SOURCE COLUMNS HARMONIZED → ZONING geom zoning districtnamefull classtype zoningnotes geom zoningcode zoningdesc zoningtype notes extras · 254 source columns preserved as json zoning_join, city, source, fips7, acres, districtmapped districtmappedextinct, districtoverlay isrestrictedresidencedistrict, zoningtype districtoverlayalters, districtisplanneddev, family1treatment family1minlotsize, family1frontsetback, family1sidesetback family1rearsetback, family1maxcoveragebldgimperv family1minparking, family1parkingunit, family1maxstories family1maxheight, family1ftar, family1minunitsize family1maxbedrooms, family1landscaping, family1minfrontage family2treatment, family2minlotsize, family2maxdensity family2frontsetback, family2sidesetback, family2rearsetback family2maxcoveragebldgimperv, family2minparking family2maxstories, family2maxheight, family2ftar family2minunitsize, family2maxbedrooms, family2landscaping family2minfrontage, family2parkingunit, family3treatment family3minlotsize, family3maxdensity, family3frontsetback family3sidesetback, family3rearsetback family3maxcoveragebldgimperv, family3minparking family3connectiontransit, family3maxstories, family3maxheight family3ftar, family3minunitsize, family3maxbedrooms family3landscaping, family3minfrontage, family3parkingunit family4treatment, family4minlotsize, family4maxdensity family4frontsetback, family4sidesetback, family4rearsetback family4maxcoveragebldgimperv, family4minparking family4connectionsewer, family4maxstories, family4maxheight family4ftar, family4minunitsize, family4maxbedrooms family4maxunitsbldg, family4maxunitsdev, family4minfrontage family4parkingunit, family4landscaping, family5treatment family5minlotsize, family5minfrontage, family5maxdensity family5frontsetback, family5sidesetback, family5rearsetback family5maxcoveragebldgimperv, family5minparking family5parkingunit, family5connectionsewer family5connectiontransit, family5maxstories, family5maxheight family5ftar, family5minunitsize, family5maxbedrooms family5maxunitsbldg, family5maxunitsdev, family5landscaping family6treatment, family6minlotsize, family6minfrontage family6maxdensity, family6frontsetback, family6sidesetback family6rearsetback, family6maxcoveragebldgimperv family6minparking, family6parkingunit family6connectiontransit, family6maxstories, family6maxheight family6ftar, family6minunitsize, family6maxbedrooms family6maxunitsbldg, family6maxunitsdev, family6landscaping family7treatment, family7minlotsize, family7minfrontage family7maxdensity, family7frontsetback, family7sidesetback family7rearsetback, family7maxcoveragebldgimperv family7minparking, family7parkingunit, family7connectionsewer family7connectiontransit, family7maxstories, family7maxheight family7ftar, family7minunitsize, family7maxbedrooms family7maxunitsbldg, family7maxunitsdev, family7landscaping family8treatment, family8minlotsize, family8minfrontage family8maxdensity, family8frontsetback, family8sidesetback family8rearsetback, family8maxcoveragebldgimperv family8minparking, family8parkingunit family8connectiontransit, family8maxstories, family8maxheight family8ftar, family8minunitsize, family8maxbedrooms family8maxunitsbldg, family8maxunitsdev, family8landscaping family9treatment, family9affordable, family9minlotsize family9maxdensity, family9frontsetback, family9sidesetback family9rearsetback, family9maxcoveragebldgimperv family9minparking, family9connectiontransit family9maxstories, family9maxheight, family9ftar family9minunitsize, family9maxbedrooms, family9maxunitsbldg family9maxunitsbldgunits, family9maxunitsdev family9landscaping, family9minfrontage, family9parkingunit afftreatment, affminlotsize, aff2maxdensity, affminparking affconnectiontransit, affmaxbedrooms, affmaxunitsbldg affmaxunitsdev, afflandscaping, affminfrontage affparkingunit, affregulationdesc, adutreatment aduoccupancyfamily, aduoccupancyrenter, aduoccupancyowner aduelderly, aduminlotsize, aduminparking adurestrictedtoprimary, adusizeperc, adusizepercunit adumaxbedrooms, adurequirelotsize, adurequireminsize adurequiremaxsize, adurequireparking, adusizepercvalue adumaxbedroomsvalue, mobileparktreatment mobileparkminparksize, mobileparkminlotsize mobileparkmaxparksize, mobilehometreatment mobilehomeregulations, manufacturedhometreatment manufacturedhomeregulations, tinyhometreatment tinyhomethreshold, tinyhomeregulations, liveworktreatment planneddevsize, planneddevreferences planneddevreferenceslist, planneddevdensityregulated planneddevdensity, planneddevdensitytype, planneddevmixeduse manuparktreatment, manuparkminparksize, manuparkmaxparksize manuparkminlotsize, grptreatment, grpregulationdesc smallgrpbyright, smallgrpbypermit, biggrpbyright biggrpbypermit, grpminlotsize, grpminfrontage, grp2maxdensity grpminparking, grpparkingunit, grpmaxbedrooms grpmaxunitsbldg, grpmaxunitsdev, grplandscaping, pudtreatment pudminsize, puddensity, pudmixeduse, liveworkdefinition grpdefinition, tinyhomedefinition, affdefinition, city_class extras not present in source — filled with NULL (4) ordinance, setbacks, restrictions, sourceurl

Neighboring counties

Parcel data for counties bordering Calhoun County:

Frequently asked questions

Where can I find Calhoun County, IA parcel and GIS data?

Land Records publishes a Calhoun County, IA 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 Calhoun County, IA dataset as a GeoPackage or CSV.

How many parcels are in Calhoun County, IA?

The current dataset contains 18,039 parcel records for Calhoun County, IA, each with its boundary geometry and assessor attributes.

What is the FIPS code for Calhoun County, IA?

The FIPS code for Calhoun County, IA is 19025.

What information does each Calhoun County, IA parcel record include?

Each Calhoun County, IA 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 Calhoun County, IA parcel data free?

You can preview Calhoun County, IA 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 Calhoun County, IA have an official GIS or property records website?

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated