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Grant County, SD Parcels & GIS Data

Grant County, SD parcel data: 8,952 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Grant County, South Dakota parcel data covering 8,952 property records.

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

Grant County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 7,556. The county seat is Milbank.

FIPS 46051

Official county website: https://grantcounty.sd.gov/

The FIPS code for Grant County is 46051.

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Attribute coverage

Grant County contains 8,952 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%8,952
parcelid100%8,952
parcelid2<0.1%0
ogparcelid100%8,952
ogparcelid2<0.1%0
parentid82.7%7,406
stackid<0.1%0
geoid100%8,952
statefp100%8,952
countyfp100%8,952
countyname100%8,952
cousubfp100%8,952
cousubname100%8,952
tractce100%8,952
tractname100%8,952
taxacctnum<0.1%0
taxyear<0.1%0
taxdistrict99.3%8,889
usecode<0.1%0
usedesc82.7%7,406
zoningcode23.8%2,128
zoningdesc100%8,951
numbldgs0.3%29
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
imprvalue88.2%7,900
landvalue88.2%7,900
agvalue88.2%7,900
totalvalue95.1%8,509
taxacres95.4%8,536
calcarea100%8,952
saleamt<0.1%0
saledate<0.1%0
ownertype95.4%8,536
ownername95.4%8,536
owneraddr95.3%8,534
ownercity82.7%7,404
ownerstate82.7%7,404
ownerzip99.3%8,887
parceladdr89.9%8,045
parcelcity99.0%8,863
parcelstate100%8,952
parcelzip100%8,952
legaldesc99.3%8,887
township99.8%8,933
section99.8%8,933
qtrsection99.8%8,933
range99.8%8,933
plssdesc99.8%8,933
book82.7%7,406
page82.7%7,406
block82.8%7,411
lot82.8%7,415
parceltype0.8%73
accesstype13.4%1,204
iucnclass7.9%705
placename10.5%939
placetype15.8%1,412
firmid100%8,950
firmdate100%8,950
fldzone100%8,950
zonesubty90.3%8,084
staticbfe<0.1%0
elevmin77.3%6,920
elevmax77.3%6,920
elevavg77.3%6,920
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
naicscode22.8%2,044
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%8,951
centroidx100%8,952
centroidy100%8,952
surfpointx100%8,952
surfpointy100%8,952
geom100%8,952
extras100%8,952
ownerlist68.6%6,145
placefp39.0%3,490
zoningurl<0.1%0
lbcsactivity99.9%8,939
lbcsfunction99.8%8,936
lbcstype99.5%8,911
lbcscharacter99.9%8,942
lbcsownership95.9%8,584
sourceurl82.7%7,406

Schema mapping

How source columns from the acquired Grant 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 — Grant County, South Dakota (46051) 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 parcel total_av total_acres taxpayer_name taxpayer_address_1 taxpayer_address_2 taxpayer_address_3 zip_code inq_street_name city_twn legal addition1 sec_twp_rng block1 lot1 geom tax_dist legal_acres name_type prop_cls_1 prop_val5_1 prop_val6_1 acres_1 prop_cls_2 prop_val5_2 prop_val6_2 acres_2 prop_cls_3 prop_val5_3 prop_val6_3 acres_3 prop_cls_4 prop_val5_4 prop_val6_4 acres_4 prop_cls_5 prop_val5_5 prop_val6_5 acres_5 extent shape_starea__ shape_stlength__ parcelid totalvalue taxacres ownername owneraddr ownerzip parceladdr parcelcity legaldesc qtrsection plssdesc block lot geom taxdistrict extras ZONING label law geom objectid_1 extent shape_starea__ shape_stlength__ zoningcode zoningdesc geom extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 100% updated geom · derived from geometry geom dem.us_1m · USGS 1m DEM 77.3% elevmin 77.3% elevmax 77.3% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 90.3% zonesubty 100% firmdate 100% firmid supplemented · derived / other pipelines 82.7% parentid 82.7% usedesc 88.2% imprvalue 88.2% landvalue 88.2% agvalue 82.7% ownercity 82.7% ownerstate 100% parcelstate 100% parcelzip 100% township 100% section 100% range 82.7% book 82.7% page 68.6% ownerlist 100% lbcsactivity 100% lbcsfunction 100% lbcstype 100% lbcscharacter 95.9% lbcsownership 82.7% sourceurl lrid parcelid ogparcelid parentid geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxdistrict usedesc zoningcode zoningdesc imprvalue landvalue agvalue totalvalue taxacres calcarea ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip legaldesc township section qtrsection range plssdesc book page block lot firmid firmdate fldzone zonesubty elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist lbcsactivity lbcsfunction lbcstype lbcscharacter lbcsownership sourceurl publish.parcel_layer columns not fed by these sources (38) — empty or below 50% fill in this county parcelid2, ogparcelid2, stackid, taxacctnum, taxyear, usecode, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths fullbaths, saleamt, saledate, parceltype, accesstype, iucnclass, placename, placetype, staticbfe, fireplaces, heating, heatfuel, cooling foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit, placefp, zoningurl PARCEL 16 mapped · 11 transformed · 39 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcel total_av total_acres taxpayer_name taxpayer_address_1 taxpayer_address_2 taxpayer_address_3 zip_code inq_street_name city_twn legal addition1 sec_twp_rng block1 lot1 geom tax_dist legal_acres name_type prop_cls_1 prop_val5_1 prop_val6_1 acres_1 prop_cls_2 prop_val5_2 prop_val6_2 acres_2 prop_cls_3 prop_val5_3 prop_val6_3 acres_3 prop_cls_4 prop_val5_4 prop_val6_4 acres_4 prop_cls_5 prop_val5_5 prop_val6_5 acres_5 extent shape_starea__ shape_stlength__ parcelid NULLIF(TRIM(parcel), '')::text totalvalue taxacres ownername NULLIF(TRIM(taxpayer_name), '')::text owneraddr ( NULLIF( concat_ws( ' ', NULLIF(TRIM(taxpayer_address_1), ''),… ownerzip parceladdr NULLIF(TRIM(split_part(inq_street_name, '(', 1)), '')::text parcelcity legaldesc NULLIF(TRIM(legal), '')::text qtrsection NULLIF(TRIM(addition1), '')::text plssdesc NULLIF(TRIM(sec_twp_rng), '')::text block NULLIF(TRIM(block1), '')::text lot NULLIF(TRIM(lot1), '')::text geom taxdistrict NULLIF(TRIM(tax_dist), '')::text extras ( ( json_build_object( 'legal_acres', legal_acres::text, 'name_… not present in source — filled with NULL (39) parcelid2, taxacctnum, taxyear, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms halfbaths, fullbaths, imprvalue, landvalue, agvalue, saleamt, saledate, ownercity, ownerstate, parcelstate, parcelzip, township, section, range book, page, updated, sourceurl, parentid, heatfuel, fireplaces, heating, cooling, foundation, roofcover, siding ZONING 4 mapped · 1 transformed · 6 unmapped (NULL) SOURCE COLUMNS HARMONIZED → ZONING label law geom objectid_1 extent shape_starea__ shape_stlength__ zoningcode zoningdesc geom extras json_build_object( 'objectid_1', objectid_1::text, 'extent', ex… not present in source — filled with NULL (6) zoningtype, ordinance, setbacks, restrictions, notes, sourceurl

Neighboring counties

Parcel data for counties bordering Grant County:

Frequently asked questions

Where can I find Grant County, SD parcel and GIS data?

Land Records publishes a Grant County, SD 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 Grant County, SD dataset as a GeoPackage or CSV.

How many parcels are in Grant County, SD?

The current dataset contains 8,952 parcel records for Grant County, SD, each with its boundary geometry and assessor attributes.

What is the FIPS code for Grant County, SD?

The FIPS code for Grant County, SD is 46051.

What information does each Grant County, SD parcel record include?

Each Grant County, SD 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 Grant County, SD parcel data free?

You can preview Grant County, SD 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 Grant County, SD have an official GIS or property records website?

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated