Clarke County
Parcel & Property Data
About This Data
LandBrief holds 12,265 parcel records for Clarke 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 Clarke County assessor roll dated March 2026, loaded August 2026. See data sources for every county’s vintage.
Explore Clarke County
Clarke County by the Numbers
- Median parcel size
- 23.4 acres
measured from mapped boundaries - 90th-percentile parcel
- 40.2 acres
- County land area
- 275,911 acres
U.S. Census measurement - Communities
- 4
74.5% of parcels outside any incorporated place
Who Owns Clarke County?
Share of the county’s 12,265 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 | 67.1% |
| Companies & organizations | 16.9% |
| Trusts & estates | 13.9% |
| Government | 1.1% |
| Other / unclassified | 0.9% |
The largest owner on record is OSCEOLA HEIGHTS LLC with 123 parcels — see the full landowner leaderboard.
Parcel Records (~12,265 total)
| Parcel ID | Owner | Address | City | Acreage |
|---|---|---|---|---|
| 12650 | JHL PROPERTIES, LLP | — | Osceola | 337.74 |
| 14434 | NEW MERGER COOPERATIVE | 221 TOWN LINE RD | Osceola | 187.17 |
| 12274 | SVD CATHOLIC UNIVERSITIES INC | — | Unincorporated | 152.38 |
| 06506 | OSCEOLA CITY OF | — | Osceola | 125.09 |
| 02830 | GARVIS, GUS G | — | Unincorporated | 113.10 |
| 01856 | HORMEL FOODS CORPORATION | 1027 WARREN AVE | Osceola | 95.01 |
| 07296 | CLARKE COUNTY IOWA | — | Unincorporated | 80.57 |
| 11700 | OSCEOLA CITY OF | — | Osceola | 78.90 |
| 11912 | MILLER, LARRY GLEN & CHERISH NICOLE | — | Unincorporated | 78.72 |
| 11703 | CLARKE COUNTY | — | Unincorporated | 76.00 |
Download Clarke County parcel data
All 12,265 parcels in Clarke County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.
Get Clarke County on FreeParcelData →Nearby counties
Frequently Asked Questions
How many parcels are in Clarke County?
The Clarke County assessor roll on file records 12,265 parcels across 4 communities, with 74.5% lying outside any incorporated place.
Who owns the most land in Clarke County?
OSCEOLA HEIGHTS LLC holds 123 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.
What is the typical parcel size in Clarke County?
Measured from mapped boundaries, the median parcel is 23.4 acres, and nine parcels in ten are under 40.2 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.
How much of Clarke County is government-owned?
Government entities — federal, state, and local — hold 1.1% of the county’s parcels, classified from owner names on the roll.
How current is this data?
It comes from the Clarke County assessor roll dated March 2026. 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 (4)
12,265 parcels across 4 communities in Clarke County.