Hancock County
Parcel & Property Data
About This Data
LandBrief holds 16,185 parcel records for Hancock 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 Hancock County assessor roll dated March 2026, loaded August 2026. See data sources for every county’s vintage.
Explore Hancock County
Hancock County by the Numbers
- Median parcel size
- 28.1 acres
measured from mapped boundaries - 90th-percentile parcel
- 39.8 acres
- County land area
- 365,443 acres
U.S. Census measurement - Communities
- 14
70.4% of parcels outside any incorporated place
Who Owns Hancock County?
Share of the county’s 16,185 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 | 67.0% |
| Companies & organizations | 14.1% |
| Trusts & estates | 16.3% |
| Government | 1.5% |
| Other / unclassified | 1.1% |
The largest owner on record is STATE OF IOWA (DNR) with 166 parcels — see the full landowner leaderboard.
Parcel Records (~16,185 total)
| Parcel ID | Owner | Address | City | Acreage |
|---|---|---|---|---|
| 0917376000 | BROUWER, JAMES RALPH & CHERRY LOU REVOCABLE TRUST | — | Unincorporated | 15.67 † |
| 0207426000 | STATE OF IOWA (DNR) | — | Unincorporated | 139.31 † |
| 1335301000 | DEWAARD, DONALD & JEAN TRUST | — | Unincorporated | 97.59 † |
| 1216126000 | STUDER, DOUGLAS P | — | Unincorporated | 98.14 † |
| 1305476000 | YOUNG, NORMAN A TESTAMENTARY TRUST ETAL | — | Unincorporated | 96.16 † |
| 1607203000 | BESHEY, EVAN SCOTT & JADE LOUISE JTRS | — | Unincorporated | 97.60 † |
| 3621400000 | D & D HANSEN FARMS, LLC | — | Kanawha | 96.03 † |
| 0230426000 | RAYHONS, DALE V | — | Unincorporated | 87.31 † |
| 0410251000 | TEGTMEYER FAMILY TRUST ETAL | 3260 DEER AVE | Unincorporated | 93.15 † |
| 0232101000 | NFF, LLC | — | Hayfield | 96.42 † |
Download Hancock County parcel data
All 16,185 parcels in Hancock County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.
Get Hancock County on FreeParcelData →Nearby counties
Frequently Asked Questions
How many parcels are in Hancock County?
The Hancock County assessor roll on file records 16,185 parcels across 14 communities, with 70.4% lying outside any incorporated place.
Who owns the most land in Hancock County?
STATE OF IOWA (DNR) holds 166 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.
What is the typical parcel size in Hancock County?
Measured from mapped boundaries, the median parcel is 28.1 acres, and nine parcels in ten are under 39.8 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.
How much of Hancock County is government-owned?
Government entities — federal, state, and local — hold 1.5% of the county’s parcels, classified from owner names on the roll.
How current is this data?
It comes from the Hancock 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 (14)
16,185 parcels across 14 communities in Hancock County.