Delaware County
Parcel & Property Data
About This Data
LandBrief holds 93,838 parcel records for Delaware 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 Delaware County assessor roll dated January 2023, loaded August 2026. See data sources for every county’s vintage.
Explore Delaware County
Delaware County by the Numbers
- Median parcel size
- 0.42 acres
measured from mapped boundaries - 90th-percentile parcel
- 6.1 acres
- County land area
- 283,614 acres
U.S. Census measurement - Communities
- 13
60.1% of parcels outside any incorporated place
Who Owns Delaware County?
Share of the county’s 93,838 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 type | Share of parcels |
|---|---|
| Individuals | 74.9% |
| Companies & organizations | 15.6% |
| Trusts & estates | 8.0% |
| Government | 1.2% |
| Other / unclassified | 0.4% |
The largest owner on record is MI HOMES OF CENTRAL OHIO LLC with 574 parcels — see the full landowner leaderboard.
Parcel Records (~93,838 total)
| Parcel ID | Owner | Address | City | Acreage |
|---|---|---|---|---|
| 41842001001000 | U S A | — | Unincorporated | 3469.61 |
| 41842001001000 | U S A | — | Unincorporated | 3469.61 |
| 61940005068000 | U S A | — | Unincorporated | 3425.00 |
| 31814001002000 | U S A | — | Unincorporated | 2359.84 |
| 61910001020000 | U S A ARMY CORP OF ENGINEERS | — | Unincorporated | 2175.00 |
| 31713004001000 | CITY OF COLUMBUS | — | Unincorporated | 2072.59 |
| 31744204001000 | CITY OF COLUMBUS | — | Unincorporated | 867.34 |
| 50031001002000 | CITY OF COLUMBUS | — | Unincorporated | 806.22 |
| 10030001020000 | CITY OF COLUMBUS | — | Unincorporated | 802.91 |
| 51740003025000 | SIEMER LAND LLC | — | Unincorporated | 585.82 |
Download Delaware County parcel data
All 93,838 parcels in Delaware County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.
Get Delaware County on FreeParcelData →Nearby counties
Frequently Asked Questions
How many parcels are in Delaware County?
The Delaware County assessor roll on file records 93,838 parcels across 13 communities, with 60.1% lying outside any incorporated place.
Who owns the most land in Delaware County?
MI HOMES OF CENTRAL OHIO LLC holds 574 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.
What is the typical parcel size in Delaware County?
Measured from mapped boundaries, the median parcel is 0.42 acres, and nine parcels in ten are under 6.1 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.
How much of Delaware County is government-owned?
Government entities — federal, state, and local — hold 1.2% of the county’s parcels, classified from owner names on the roll.
How current is this data?
It comes from the Delaware 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 (13)
93,838 parcels across 13 communities in Delaware County.