Miami County

Parcel & Property Data

52,841Total Parcels
Avg. Market Value
257,796Total Acres (measured from parcel boundaries)

LandBrief holds 52,841 parcel records for Miami County, sourced from county records. Each includes the parcel boundary, and — where the county publishes them — owner, situs address, acreage, assessed values and legal description.

Data from the Miami County assessor roll dated January 2023, loaded August 2026. See data sources for every county’s vintage.

Explore Miami County

Miami County by the Numbers

Median parcel size
0.30 acres
measured from mapped boundaries
90th-percentile parcel
10 acres
County land area
260,212 acres
U.S. Census measurement
Communities
17
36.3% of parcels outside any incorporated place

Who Owns Miami County?

Share of the county’s 52,841 parcels by the kind of owner on record. Classified from owner names, so the boundaries are approximate; an entity the rules cannot place counts as an individual.

Owner typeShare of parcels
Other / unclassified100.0%

Parcel Records (~52,841 total)

per page
Parcel IDOwnerAddressCityAcreage
A01000750S SULLIVAN RDUnincorporated44.33 †
A010008009195 SULLIVAN RD SUnincorporated2.23 †
A010009009365 SULLIVAN RD SUnincorporated1.00 †
A010011009470 SULLIVAN RD SUnincorporated1.06 †
A01001300S 9550 SULLIVAN RDUnincorporated4.87 †
A010014002568 US 40 EUnincorporated3.88 †
A010016002442 US 40 EUnincorporated5.07 †
A010016012428 US 40 EUnincorporated4.37 †
A01001602US 40 EUnincorporated1.85 †
A010016052388 US 40 EUnincorporated3.59 †
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Download Miami County parcel data

All 52,841 parcels in Miami County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.

Get Miami County on FreeParcelData →

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Frequently Asked Questions

How many parcels are in Miami County?

The Miami County assessor roll on file records 52,841 parcels across 17 communities, with 36.3% lying outside any incorporated place.

What is the typical parcel size in Miami County?

Measured from mapped boundaries, the median parcel is 0.30 acres, and nine parcels in ten are under 10 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.

How current is this data?

It comes from the Miami County assessor roll dated January 2023. Counties deliver on their own schedules; the methodology page explains how records are processed and the data sources page tracks every county’s vintage.

Browse by City (17)

52,841 parcels across 17 communities in Miami County.