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Miami County, OH Parcels & GIS Data

Miami County, OH parcel data: 53,061 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Miami County, Ohio parcel data covering 53,061 property records.

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

Miami County is a county located in the U.S. state of Ohio. As of the 2020 census, the population was 108,774. Its county seat is Troy.

FIPS 39109

Official county website: https://rep4laredo.fidlar.com/OHMiami/DirectSearch/

The FIPS code for Miami County is 39109.

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Attribute coverage

Miami County contains 53,061 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%53,061
parcelid100%53,061
parcelid298.3%52,178
ogparcelid100%53,061
ogparcelid2100%53,061
parentid<0.1%0
stackid<0.1%0
geoid100%53,061
statefp100%53,061
countyfp100%53,061
countyname100%53,061
cousubfp100%53,061
cousubname100%53,061
tractce100%53,061
tractname100%53,061
taxacctnum<0.1%0
taxyear<0.1%0
taxdistrict98.0%52,013
usecode0.1%45
usedesc0.1%45
zoningcode4.6%2,432
zoningdesc<0.1%0
numbldgs100%53,061
numunits0.1%28
yearbuilt<0.1%0
numfloors0.1%29
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
taxacres98.1%52,048
calcarea100%53,061
saleamt<0.1%0
saledate<0.1%0
ownertype98.1%52,034
ownername98.1%52,034
owneraddr<0.1%12
ownercity<0.1%12
ownerstate<0.1%12
ownerzip<0.1%12
parceladdr83.3%44,191
parcelcity83.2%44,134
parcelstate100%53,061
parcelzip100%53,061
legaldesc<0.1%0
township99.7%52,897
section99.7%52,897
qtrsection99.7%52,897
range99.7%52,897
plssdesc99.7%52,897
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype0.7%382
accesstype0.7%382
iucnclass0.1%34
placename4.8%2,534
placetype4.7%2,484
firmid100%53,061
firmdate100%53,061
fldzone100%53,061
zonesubty96.5%51,217
staticbfe0.2%85
elevmin99.1%52,607
elevmax99.1%52,607
elevavg99.1%52,607
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
naicscode15.3%8,121
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%53,061
centroidx100%53,061
centroidy100%53,061
surfpointx100%53,061
surfpointy100%53,061
geom100%53,061
extras100%53,061
ownerlist96.4%51,136
placefp63.2%33,527
zoningurl<0.1%0

Schema mapping

How source columns from the acquired Miami 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 — Miami County, Ohio (39109) 1 entity · most recent acquisition per entity · generated 2026-08-30 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 stateparcelid localparcelid stateluc landarea mailaddressall mailcity mailstate mailzip situsaddressall county camadatasite geom 8 cols ⇢ parcelid parcelid2 usedesc taxacres owneraddr ownercity ownerstate ownerzip parceladdr township sourceurl 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 99.1% elevmin 99.1% elevmax 99.1% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 96.5% zonesubty 0.2% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 98.0% taxdistrict 100% numbldgs 98.1% ownertype 98.1% ownername 83.2% parcelcity 100% parcelstate 100% parcelzip 100% section 100% qtrsection 100% range 100% plssdesc 96.4% ownerlist 63.2% placefp lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxdistrict usedesc numbldgs taxacres calcarea ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip township section qtrsection range plssdesc firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist placefp publish.parcel_layer columns not fed by these sources (45) — empty or below 50% fill in this county parentid, stackid, taxacctnum, taxyear, usecode, zoningcode, zoningdesc, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths fullbaths, imprvalue, landvalue, agvalue, totalvalue, saleamt, saledate, legaldesc, book, page, block, lot, parceltype, accesstype, iucnclass placename, placetype, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit cwapermit, rcrapermit, zoningurl PARCEL 12 mapped · 8 kept in extras · 42 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL stateparcelid localparcelid stateluc landarea mailaddressall mailcity mailstate mailzip situsaddressall county camadatasite geom parcelid parcelid2 usedesc taxacres owneraddr ownercity ownerstate ownerzip parceladdr township sourceurl geom extras · 8 source columns preserved as json mailnumber, mailstreetprefix, mailstreetname mailstreetsuffix, mailunitnumber, landarea_py, currentto globalid extras not present in source — filled with NULL (42) taxacctnum, taxyear, usecode, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths imprvalue, landvalue, agvalue, totalvalue, saleamt, saledate, ownername, parcelcity, parcelstate, parcelzip, legaldesc, section, qtrsection range, plssdesc, book, page, block, lot, updated, taxdistrict, parentid, fireplaces, heating, cooling, foundation, roofcover, siding, heatfuel

Neighboring counties

Parcel data for counties bordering Miami County:

Frequently asked questions

Where can I find Miami County, OH parcel and GIS data?

Land Records publishes a Miami County, OH 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 Miami County, OH dataset as a GeoPackage or CSV.

How many parcels are in Miami County, OH?

The current dataset contains 53,061 parcel records for Miami County, OH, each with its boundary geometry and assessor attributes.

What is the FIPS code for Miami County, OH?

The FIPS code for Miami County, OH is 39109.

What information does each Miami County, OH parcel record include?

Each Miami County, OH 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 Miami County, OH parcel data free?

You can preview Miami County, OH 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 Miami County, OH have an official GIS or property records website?

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated