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Gem County, ID Parcels & GIS Data

Gem County, ID parcel data: 12,419 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Gem County, Idaho parcel data covering 12,419 property records.

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

Gem County is a county in the U.S. state of Idaho. As of the 2020 census, the population was 19,123. The county seat and largest city is Emmett.

FIPS 16045

Official county website: https://experience.arcgis.com/experience/e7af2f0fdf0e4b41bc872c17da9c94b8/

The FIPS code for Gem County is 16045.

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Attribute coverage

Gem County contains 12,419 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%12,419
parcelid93.3%11,585
parcelid291.5%11,368
ogparcelid96.5%11,983
ogparcelid257.6%7,149
parentid<0.1%0
stackid<0.1%0
geoid100%12,419
statefp100%12,419
countyfp100%12,419
countyname100%12,419
cousubfp100%12,419
cousubname100%12,419
tractce100%12,419
tractname100%12,419
taxacctnum<0.1%0
taxyear100%12,419
taxdistrict<0.1%0
usecode1.4%179
usedesc2.4%300
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs80.0%9,938
numunits44.7%5,547
yearbuilt<0.1%0
numfloors44.7%5,547
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%12,419
saleamt<0.1%0
saledate<0.1%0
ownertype2.1%259
ownername2.1%259
owneraddr<0.1%0
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr52.1%6,470
parcelcity51.1%6,341
parcelstate100%12,419
parcelzip99.5%12,359
legaldesc<0.1%0
township100%12,419
section100%12,419
qtrsection100%12,419
range100%12,419
plssdesc100%12,419
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype5.3%661
accesstype5.3%661
iucnclass5.0%625
placename9.2%1,145
placetype8.9%1,103
firmid99.7%12,384
firmdate99.7%12,384
fldzone99.7%12,384
zonesubty39.2%4,865
staticbfe<0.1%5
elevmin94.5%11,738
elevmax94.5%11,738
elevavg94.5%11,738
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
naicscode9.2%1,146
frsid0.3%37
dfrurl0.3%37
caapermit0.3%37
cwapermit0.3%37
rcrapermit0.3%37
updated95.0%11,804
centroidx100%12,419
centroidy100%12,419
surfpointx100%12,419
surfpointy100%12,419
geom100%12,419
extras99.7%12,385
ownerlist1.8%226
placefp30.4%3,779
zoningurl<0.1%0
lbcsactivity7.0%874
lbcsfunction6.5%811
lbcstype23.3%2,888
lbcscharacter64.8%8,050
lbcsownership5.6%692
sourceurl<0.1%0

Schema mapping

How source columns from the acquired Gem 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 — Gem County, Idaho (16045) 1 entity · 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 geom 1 cols ⇢ parcelid ownername geom extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 100% taxyear 95.0% updated geom · derived from geometry geom dem.us_1m · USGS 1m DEM 94.5% elevmin 94.5% elevmax 94.5% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 39.2% zonesubty 0.0% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 91.5% parcelid2 57.6% ogparcelid2 80.0% numbldgs 52.1% parceladdr 51.1% parcelcity 100% parcelstate 100% parcelzip 100% township 100% section 100% qtrsection 100% range 100% plssdesc 64.8% lbcscharacter lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxyear numbldgs calcarea ownertype ownername parceladdr parcelcity parcelstate parcelzip township section qtrsection range plssdesc firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras lbcscharacter publish.parcel_layer columns not fed by these sources (58) — empty or below 50% fill in this county parentid, stackid, taxacctnum, taxdistrict, usecode, usedesc, zoningcode, zoningdesc, 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, fireplaces, heating, heatfuel, cooling, foundation roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit, ownerlist, placefp, zoningurl, lbcsactivity lbcsfunction, lbcstype, lbcsownership, sourceurl PARCEL 3 mapped · 1 kept in extras · 51 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL pin owner geom parcelid ownername geom extras · 1 source columns preserved as json county extras not present in source — filled with NULL (51) 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 parceladdr, parcelcity, parcelstate, parcelzip, legaldesc, township, section, qtrsection, range, plssdesc, book, page, block, lot, updated sourceurl, taxdistrict, parentid, heatfuel, fireplaces, heating, cooling, foundation, roofcover, siding

Neighboring counties

Parcel data for counties bordering Gem County:

Frequently asked questions

Where can I find Gem County, ID parcel and GIS data?

Land Records publishes a Gem County, ID 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 Gem County, ID dataset as a GeoPackage or CSV.

How many parcels are in Gem County, ID?

The current dataset contains 12,419 parcel records for Gem County, ID, each with its boundary geometry and assessor attributes.

What is the FIPS code for Gem County, ID?

The FIPS code for Gem County, ID is 16045.

What information does each Gem County, ID parcel record include?

Each Gem County, ID 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 Gem County, ID parcel data free?

You can preview Gem County, ID 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 Gem County, ID have an official GIS or property records website?

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated