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Grant County, SD Parcels & GIS Data

Grant County, SD parcel data: 8,916 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 8,916 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 8,916 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%8,916
parcelid100%8,916
parcelid2<0.1%0
ogparcelid100%8,916
ogparcelid2<0.1%0
parentid82.7%7,376
stackid<0.1%0
geoid100%8,916
statefp100%8,916
countyfp100%8,916
countyname100%8,916
cousubfp100%8,916
cousubname100%8,916
tractce100%8,916
tractname100%8,916
taxacctnum<0.1%0
taxyear<0.1%0
taxdistrict99.3%8,851
usecode95.3%8,495
usedesc87.9%7,833
zoningcode23.6%2,103
zoningdesc35.8%3,195
numbldgs99.9%8,908
numunits0.1%6
yearbuilt<0.1%0
numfloors0.1%6
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
totalvalue95.3%8,497
taxacres95.3%8,498
calcarea100%8,916
saleamt<0.1%0
saledate<0.1%0
ownertype95.3%8,498
ownername95.3%8,498
owneraddr95.3%8,496
ownercity94.4%8,418
ownerstate94.4%8,417
ownerzip95.3%8,498
parceladdr43.3%3,857
parcelcity95.8%8,541
parcelstate100%8,916
parcelzip100%8,916
legaldesc95.3%8,498
township99.8%8,897
section99.8%8,897
qtrsection99.8%8,897
range99.8%8,897
plssdesc99.8%8,897
book83.0%7,397
page83.0%7,397
block99.3%8,851
lot99.3%8,851
parceltype0.8%73
accesstype13.5%1,204
iucnclass7.9%706
placename2.0%174
placetype2.9%262
firmid100%8,914
firmdate100%8,914
fldzone100%8,914
zonesubty90.3%8,053
staticbfe<0.1%0
elevmin77.2%6,883
elevmax77.2%6,883
elevavg77.2%6,883
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%2,035
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%8,912
centroidx100%8,916
centroidy100%8,916
surfpointx100%8,916
surfpointy100%8,916
geom100%8,916
extras100%8,916
ownerlist71.0%6,330
placefp38.9%3,466
zoningurl<0.1%0
lbcsactivity34.6%3,084
lbcsfunction34.6%3,084
lbcstype76.4%6,816
lbcscharacter58.0%5,169
lbcsownership95.4%8,508
sourceurl83.0%7,397

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 2026-10-17 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 prop_cls_1 total_av total_acres taxpayer_name taxpayer_address_2 taxpayer_address_3 zip_code inq_street_name city_twn legal addition_1 sec_twp_rng block_1 lot_1 geom tax_dist 24 cols ⇢ parcelid usecode totalvalue taxacres ownername owneraddr ownercity ownerzip parceladdr parcelcity legaldesc qtrsection plssdesc block lot geom taxdistrict extras ZONING geom label zon2021 zonchange 24 cols ⇢ geom zoningcode zoningdesc notes 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 77.2% elevmin 77.2% elevmax 77.2% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 90.3% zonesubty 100% firmdate 100% firmid supplemented · derived / other pipelines 82.7% parentid 87.9% usedesc 100% numbldgs 94.4% ownerstate 100% parcelstate 100% parcelzip 100% township 100% section 100% range 83.0% book 83.0% page 71.0% ownerlist 76.4% lbcstype 58.0% lbcscharacter 95.4% lbcsownership 83.0% sourceurl lrid parcelid ogparcelid parentid geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxdistrict usecode usedesc zoningcode zoningdesc numbldgs 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 lbcstype lbcscharacter lbcsownership sourceurl publish.parcel_layer columns not fed by these sources (41) — empty or below 50% fill in this county parcelid2, ogparcelid2, stackid, taxacctnum, taxyear, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, imprvalue landvalue, agvalue, saleamt, saledate, parceltype, accesstype, iucnclass, placename, placetype, staticbfe, fireplaces, heating, heatfuel cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit, placefp, zoningurl, lbcsactivity lbcsfunction PARCEL 17 mapped · 24 kept in extras · 37 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcel prop_cls_1 total_av total_acres taxpayer_name taxpayer_address_2 taxpayer_address_3 zip_code inq_street_name city_twn legal addition_1 sec_twp_rng block_1 lot_1 geom tax_dist parcelid usecode totalvalue taxacres ownername owneraddr ownercity ownerzip parceladdr parcelcity legaldesc qtrsection plssdesc block lot geom taxdistrict extras · 24 source columns preserved as json legal_acres, extent, globalid, taxpayer_address_1, name_type 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 extras not present in source — filled with NULL (37) parcelid2, taxacctnum, taxyear, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths fullbaths, imprvalue, landvalue, agvalue, saleamt, saledate, ownerstate, parcelstate, parcelzip, township, section, range, book, page, updated sourceurl, parentid, heatfuel, fireplaces, heating, cooling, foundation, roofcover, siding ZONING 4 mapped · 1 transformed · 24 kept in extras · 5 unmapped (NULL) SOURCE COLUMNS HARMONIZED → ZONING geom label zon2021 zonchange geom zoningcode zoningdesc notes NULLIF(TRIM(zonchange::text), '')::text extras · 24 source columns preserved as json objectid_12, objectid_1, city_nosp, city, x_coord, y_coord zip_code, city_pop, type, county, cnty_nosp, co_abbrev st_fips, cnty_fips, city_fips, fips_zone, utm_zone created_us, created_da, last_edite, last_edi_1, effectived zon2001, extent extras not present in source — filled with NULL (5) zoningtype, ordinance, setbacks, restrictions, 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 8,916 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