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Slope County, ND Parcels & GIS Data

Slope County, ND parcel data: 3,108 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Slope County, North Dakota parcel data covering 3,108 property records.

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

Slope County is a county in the U.S. state of North Dakota. As of the 2020 census, the population was 706, and was estimated to be 628 in 2025, making it the least populous county in North Dakota and the 18th-least populous county in the United States. The county seat is Amidon and the largest city is Marmarth.

FIPS 38087

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

The FIPS code for Slope County is 38087.

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Attribute coverage

Slope County contains 3,108 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%3,108
parcelid100%3,108
parcelid2100%3,108
ogparcelid100%3,108
ogparcelid2100%3,108
parentid<0.1%0
stackid<0.1%0
geoid100%3,108
statefp100%3,108
countyfp100%3,108
countyname100%3,108
cousubfp100%3,108
cousubname100%3,108
tractce100%3,108
tractname100%3,108
taxacctnum<0.1%0
taxyear<0.1%0
taxdistrict<0.1%0
usecode<0.1%0
usedesc<0.1%0
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs11.2%347
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
taxacres100%3,108
calcarea100%3,108
saleamt<0.1%0
saledate<0.1%0
ownertype81.0%2,518
ownername81.0%2,518
owneraddr<0.1%0
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr11.0%343
parcelcity11.0%343
parcelstate100%3,108
parcelzip100%3,108
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
block<0.1%0
lot<0.1%0
parceltype0.5%14
accesstype0.5%14
iucnclass0.5%14
placename1.0%32
placetype1.0%30
firmid<0.1%0
firmdate<0.1%0
fldzone<0.1%0
zonesubty<0.1%0
staticbfe<0.1%0
elevmin13.4%416
elevmax13.4%416
elevavg13.4%416
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
naicscode1.0%32
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated0.1%4
centroidx100%3,108
centroidy100%3,108
surfpointx100%3,108
surfpointy100%3,108
geom100%3,108
extras100%3,108
ownerlist<0.1%0

Schema mapping

How source columns from the acquired Slope 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 — Slope County, North Dakota (38087) 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 uniquegisid gisid calculatedacres ownership subdivisionplat township section range block lot lastupdatedate geom 16 cols ⇢ parcelid parcelid2 taxacres ownername legaldesc township section range block lot updated geom 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 13.4% elevmin 13.4% elevmax 13.4% elevavg supplemented · derived / other pipelines 100% parcelstate 100% parcelzip lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacres calcarea ownertype ownername parcelstate parcelzip legaldesc township section range block lot elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras publish.parcel_layer columns not fed by these sources (58) — empty or below 50% fill in this county parentid, stackid, taxacctnum, taxyear, taxdistrict, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors bldgsqft, bedrooms, halfbaths, fullbaths, imprvalue, landvalue, agvalue, totalvalue, saleamt, saledate, owneraddr, ownercity, ownerstate ownerzip, parceladdr, parcelcity, qtrsection, plssdesc, book, page, parceltype, accesstype, iucnclass, placename, placetype, firmid, firmdate fldzone, zonesubty, staticbfe, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl caapermit, cwapermit, rcrapermit, ownerlist PARCEL 12 mapped · 16 kept in extras · 42 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL uniquegisid gisid calculatedacres ownership subdivisionplat township section range block lot lastupdatedate geom parcelid parcelid2 taxacres ownername legaldesc township section range block lot updated geom extras · 16 source columns preserved as json countyname, countyfips, sectionnumber, townshipnumber rangenumber, townshipname, featuretype, sourceid, sourcetype sourcedate, automationmethod, automationtype automationcomment, editor, dateimported, globalid extras not present in source — filled with NULL (42) taxacctnum, taxyear, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths fullbaths, imprvalue, landvalue, agvalue, totalvalue, saleamt, saledate, owneraddr, ownercity, ownerstate, ownerzip, parceladdr, parcelcity parcelstate, parcelzip, qtrsection, plssdesc, book, page, sourceurl, taxdistrict, parentid, fireplaces, heating, cooling, foundation, roofcover siding, heatfuel

Neighboring counties

Parcel data for counties bordering Slope County:

Frequently asked questions

Where can I find Slope County, ND parcel and GIS data?

Land Records publishes a Slope County, ND 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 Slope County, ND dataset as a GeoPackage or CSV.

How many parcels are in Slope County, ND?

The current dataset contains 3,108 parcel records for Slope County, ND, each with its boundary geometry and assessor attributes.

What is the FIPS code for Slope County, ND?

The FIPS code for Slope County, ND is 38087.

What information does each Slope County, ND parcel record include?

Each Slope County, ND 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 Slope County, ND parcel data free?

You can preview Slope County, ND 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 Slope County, ND have an official GIS or property records website?

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated