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Mercer County, OH Parcels & GIS Data

Mercer County, OH parcel data: 25,459 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Mercer County, Ohio parcel data covering 25,459 property records.

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

Mercer County is located in the U.S. state of Ohio. As of the 2020 census, the population was 42,528. Its county seat is Celina.

FIPS 39107

Official county website: http://www.mercercountyohio.org

The FIPS code for Mercer County is 39107.

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Attribute coverage

Mercer County contains 25,459 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%25,459
parcelid99.3%25,283
parcelid2100%25,459
ogparcelid100%25,459
ogparcelid2100%25,459
parentid<0.1%0
stackid<0.1%0
geoid100%25,459
statefp100%25,459
countyfp100%25,459
countyname100%25,459
cousubfp100%25,459
cousubname100%25,459
tractce100%25,459
tractname100%25,459
taxacctnum<0.1%0
taxyear<0.1%0
taxdistrict99.3%25,290
usecode<0.1%4
usedesc<0.1%4
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs100%25,459
numunits0.2%52
yearbuilt<0.1%0
numfloors0.2%52
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
taxacres99.4%25,294
calcarea100%25,459
saleamt<0.1%0
saledate<0.1%0
ownertype98.6%25,114
ownername98.6%25,114
owneraddr<0.1%4
ownercity<0.1%4
ownerstate<0.1%4
ownerzip<0.1%4
parceladdr90.6%23,054
parcelcity90.5%23,046
parcelstate100%25,459
parcelzip100%25,459
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%115
accesstype0.5%115
iucnclass<0.1%12
placename4.4%1,130
placetype4.4%1,111
firmid100%25,459
firmdate100%25,459
fldzone100%25,459
zonesubty95.8%24,379
staticbfe1.6%405
elevmin98.3%25,034
elevmax98.3%25,034
elevavg98.3%25,034
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
naicscode18.1%4,596
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%25,459
centroidx100%25,459
centroidy100%25,459
surfpointx100%25,459
surfpointy100%25,459
geom100%25,459
extras100%25,459
lrversion100%25,459

Schema mapping

How source columns from the acquired Mercer 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 — Mercer County, Ohio (39107) 1 entity · most recent acquisition per entity · generated 2026-07-13 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 100% lrversion geom · derived from geometry geom dem.us_1m · USGS 1m DEM 98.3% elevmin 98.3% elevmax 98.3% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 95.8% zonesubty 1.6% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 99.3% taxdistrict 100% numbldgs 98.6% ownertype 98.6% ownername 90.5% parcelcity 100% parcelstate 100% parcelzip 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 firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras lrversion publish.parcel_layer columns not fed by these sources (48) — 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, section, qtrsection, range, plssdesc, book, page, block lot, parceltype, accesstype, iucnclass, placename, placetype, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit 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 Mercer County:

On this page

Attribute coverageSchema mappingNeighboring countiesRelated